{"id":2052,"date":"2026-04-20T19:09:49","date_gmt":"2026-04-20T11:09:49","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=2052"},"modified":"2026-04-20T19:09:51","modified_gmt":"2026-04-20T11:09:51","slug":"shape-%e5%bd%a2%e7%8a%b6","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/04\/20\/shape-%e5%bd%a2%e7%8a%b6\/preluna\/text\/","title":{"rendered":"shape\u00a0\u00a0\u5f62\u72b6"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/shape-\u5f62\u72b6.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"821\" height=\"1013\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/shape-\u5f62\u72b6.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2053\"  sizes=\"auto, (max-width: 821px) 100vw, 821px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u5148\u770b\u6574\u53e5\u4ee3\u7801\u5230\u5e95\u5728\u505a\u4ec0\u4e48<\/h2>\n\n\n\n<p>\u7b54\u6848\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\narr = list(map(int, input().split()))\nmy_array = numpy.array(arr)\nprint(numpy.reshape(my_array, (3, 3)))\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5176\u5b9e\u662f\u5728\u505a 3 \u4ef6\u4e8b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8bfb\u5165\u4e00\u884c\u6570\u636e<\/li>\n\n\n\n<li>\u628a\u8fd9\u4e00\u884c\u6570\u636e\u62c6\u6210 9 \u4e2a\u6574\u6570<\/li>\n\n\n\n<li>\u628a\u8fd9 9 \u4e2a\u6574\u6570\u53d8\u6210\u4e00\u4e2a 3 \u884c 3 \u5217\u7684 NumPy \u6570\u7ec4<\/li>\n<\/ol>\n\n\n\n<p>\u73b0\u5728\u5361\u4f4f\u7684\u4e24\u4e2a\u70b9\u5f88\u5178\u578b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>input().split()<\/code> \u5230\u5e95\u662f\u4ec0\u4e48\u610f\u601d<\/li>\n\n\n\n<li><code>reshape()<\/code> \u91cc\u9762\u51e0\u4e2a\u53c2\u6570\u5230\u5e95\u5206\u522b\u8868\u793a\u4ec0\u4e48<\/li>\n<\/ul>\n\n\n\n<p>\u4e0b\u9762\u628a\u8fd9\u4e24\u4e2a\u5730\u65b9\u62c6\u5f00\u8bb2\u6e05\u695a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><code>input().split()<\/code> \u5230\u5e95\u662f\u4ec0\u4e48\u610f\u601d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><code>input()<\/code> \u662f\u4ec0\u4e48<\/h3>\n\n\n\n<p><code>input()<\/code> \u7684\u4f5c\u7528\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u4ece\u952e\u76d8\u8bfb\u5165\u4e00\u6574\u884c\u5185\u5bb9\uff0c\u5e76\u4e14\u7ed3\u679c\u9ed8\u8ba4\u662f\u5b57\u7b26\u4e32 <code>str<\/code> \u7c7b\u578b\u3002<\/strong><\/p>\n\n\n\n<p>\u6bd4\u5982\u4f60\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1 2 3 4 5 6 7 8 9\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>x = input()\nprint(x)\nprint(type(x))\n<\/code><\/pre>\n\n\n\n<p>\u5f97\u5230\u7684\u4f1a\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1 2 3 4 5 6 7 8 9\n&lt;class 'str'&gt;\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c<code>input()<\/code> \u8bfb\u5230\u7684\u662f\u4e00\u6574\u884c\u6587\u672c\uff0c\u4e0d\u662f\u6570\u5b57\u5217\u8868\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><code>split()<\/code> \u662f\u4ec0\u4e48<\/h3>\n\n\n\n<p><code>split()<\/code> \u7684\u4f5c\u7528\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u628a\u4e00\u4e2a\u5b57\u7b26\u4e32\u6309\u7167\u5206\u9694\u7b26\u5207\u5f00\uff0c\u5f97\u5230\u4e00\u4e2a\u5217\u8868\u3002<\/strong><\/p>\n\n\n\n<p>\u5982\u679c\u4ec0\u4e48\u90fd\u4e0d\u5199\uff0c\u9ed8\u8ba4\u6309\u201c\u7a7a\u767d\u5b57\u7b26\u201d\u6765\u5207\u5206\uff0c\u4e5f\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7a7a\u683c<\/li>\n\n\n\n<li>\u591a\u4e2a\u7a7a\u683c<\/li>\n\n\n\n<li>Tab<\/li>\n\n\n\n<li>\u6362\u884c\u524d\u7684\u7a7a\u767d<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>s = \"1 2 3 4 5\"\nprint(s.split())\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'1', '2', '3', '4', '5']\n<\/code><\/pre>\n\n\n\n<p>\u6ce8\u610f\uff0c\u8fd9\u91cc\u5f97\u5230\u7684\u8fd8\u662f<strong>\u5b57\u7b26\u4e32\u5217\u8868<\/strong>\uff0c\u4e0d\u662f\u6574\u6570\u5217\u8868\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>input().split()\n<\/code><\/pre>\n\n\n\n<p>\u6574\u4f53\u610f\u601d\u5c31\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u8bfb\u5165\u4e00\u6574\u884c\u5b57\u7b26\u4e32\uff0c\u518d\u6309\u7a7a\u683c\u62c6\u5f00\uff0c\u53d8\u6210\u4e00\u4e2a\u4e2a\u5c0f\u5b57\u7b26\u4e32\u7ec4\u6210\u7684\u5217\u8868\u3002<\/strong><\/p>\n\n\n\n<p>\u6bd4\u5982\u7528\u6237\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1 2 3 4 5 6 7 8 9\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>input().split()\n<\/code><\/pre>\n\n\n\n<p>\u5f97\u5230\u7684\u5c31\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'1', '2', '3', '4', '5', '6', '7', '8', '9']\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u8fd8\u8981 <code>map(int, input().split())<\/code><\/h2>\n\n\n\n<p>\u56e0\u4e3a <code>split()<\/code> \u62c6\u51fa\u6765\u7684\u6bcf\u4e00\u9879\u90fd\u662f\u5b57\u7b26\u4e32\uff0c\u6bd4\u5982 <code>'1'<\/code>\u3001<code>'2'<\/code>\u3001<code>'3'<\/code>\u3002<\/p>\n\n\n\n<p>\u4f46\u9898\u76ee\u9700\u8981\u7684\u662f\u6574\u6570\uff0c\u6240\u4ee5\u8981\u628a\u8fd9\u4e9b\u5b57\u7b26\u4e32\u4e00\u4e2a\u4e2a\u8f6c\u6210 <code>int<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>map(int, ...)<\/code> \u662f\u4ec0\u4e48\u610f\u601d<\/h3>\n\n\n\n<p><code>map<\/code> \u7684\u4f5c\u7528\u53ef\u4ee5\u5148\u7528\u6700\u76f4\u767d\u7684\u8bdd\u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n<p><strong>\u628a\u67d0\u4e2a\u64cd\u4f5c\uff0c\u4f9d\u6b21\u4f5c\u7528\u5230\u4e00\u7ec4\u6570\u636e\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u4e0a\u3002<\/strong><\/p>\n\n\n\n<p>\u8fd9\u91cc\u5199\u7684\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>map(int, input().split())\n<\/code><\/pre>\n\n\n\n<p>\u610f\u601d\u5c31\u662f\uff1a<\/p>\n\n\n\n<p>\u628a <code>input().split()<\/code> \u5f97\u5230\u7684\u6bcf\u4e2a\u5b57\u7b26\u4e32\uff0c\u90fd\u62ff\u53bb\u505a\u4e00\u6b21 <code>int(...)<\/code> \u8f6c\u6362\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'1', '2', '3']\n<\/code><\/pre>\n\n\n\n<p>\u7ecf\u8fc7\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>map(int, ...)\n<\/code><\/pre>\n\n\n\n<p>\u5c31\u76f8\u5f53\u4e8e\u53d8\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1, 2, 3\n<\/code><\/pre>\n\n\n\n<p>\u4e0d\u8fc7\u5728 Python 3 \u91cc\uff0c<code>map(...)<\/code> \u8fd4\u56de\u7684\u4e0d\u662f\u76f4\u63a5\u53ef\u89c1\u7684\u5217\u8868\uff0c\u800c\u662f\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff0c\u6240\u4ee5\u901a\u5e38\u518d\u5957\u4e00\u4e2a <code>list(...)<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arr = list(map(int, input().split()))\n<\/code><\/pre>\n\n\n\n<p>\u6700\u540e\u5c31\u5f97\u5230\u771f\u6b63\u7684\u5217\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1, 2, 3, 4, 5, 6, 7, 8, 9]\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd9\u4e00\u6574\u53e5\u5982\u4f55\u4e00\u6b65\u4e00\u6b65\u7406\u89e3<\/h2>\n\n\n\n<p>\u8fd9\u53e5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arr = list(map(int, input().split()))\n<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u62c6\u6210 3 \u5c0f\u6b65\u6765\u770b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u5148\u8f93\u5165\u4e00\u6574\u884c<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>text = input()\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1 2 3 4 5 6 7 8 9\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>text == \"1 2 3 4 5 6 7 8 9\"\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a\u6309\u7a7a\u683c\u5207\u5f00<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>parts = text.split()\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u65f6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>parts == &#91;'1', '2', '3', '4', '5', '6', '7', '8', '9']\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u6b65\uff1a\u628a\u6bcf\u4e2a\u5b57\u7b26\u4e32\u8f6c\u6210\u6574\u6570<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>arr = list(map(int, parts))\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u65f6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arr == &#91;1, 2, 3, 4, 5, 6, 7, 8, 9]\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b49\u4ef7\u5199\u6cd5\u662f\u4ec0\u4e48<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u628a\u5b83\u5199\u5f97\u66f4\u5c55\u5f00\u4e00\u70b9\uff0c\u8fd9\u6837\u66f4\u9002\u5408\u521d\u5b66\u8005\u7406\u89e3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>text = input()\nparts = text.split()\narr = &#91;]\n\nfor x in parts:\n    arr.append(int(x))\n\nprint(arr)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u5199\u6cd5\u548c\u4e0b\u9762\u8fd9\u53e5\u672c\u8d28\u4e0a\u505a\u7684\u662f\u540c\u4e00\u4ef6\u4e8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arr = list(map(int, input().split()))\n<\/code><\/pre>\n\n\n\n<p>\u53ea\u662f\u524d\u8005\u66f4\u6162\u3001\u66f4\u6e05\u695a\uff1b\u540e\u8005\u66f4\u7b80\u6d01\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><code>reshape()<\/code> \u5230\u5e95\u662f\u4ec0\u4e48\u610f\u601d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><code>reshape<\/code> \u662f\u5e72\u4ec0\u4e48\u7684<\/h3>\n\n\n\n<p><code>reshape<\/code> \u7684\u4f5c\u7528\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u5728\u4e0d\u6539\u53d8\u6570\u636e\u5185\u5bb9\u7684\u524d\u63d0\u4e0b\uff0c\u91cd\u65b0\u5b89\u6392\u6570\u7ec4\u7684\u5f62\u72b6\u3002<\/strong><\/p>\n\n\n\n<p>\u6bd4\u5982\u539f\u6765\u662f\u4e00\u7ef4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1 2 3 4 5 6 7 8 9]\n<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u91cd\u65b0\u6392\u6210\u4e8c\u7ef4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;1 2 3]\n &#91;4 5 6]\n &#91;7 8 9]]\n<\/code><\/pre>\n\n\n\n<p>\u6ce8\u610f\uff0c\u5b83\u4e0d\u662f\u6539\u6570\u5b57\uff0c\u800c\u662f\u6539\u201c\u6446\u653e\u65b9\u5f0f\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><code>numpy.reshape(my_array, (3, 3))<\/code> \u91cc\u9762\u7684\u4e24\u4e2a\u53c2\u6570\u5206\u522b\u662f\u4ec0\u4e48<\/h2>\n\n\n\n<p>\u8fd9\u53e5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.reshape(my_array, (3, 3))\n<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c 1 \u4e2a\u53c2\u6570\uff1a<code>my_array<\/code><\/h3>\n\n\n\n<p>\u8868\u793a\uff1a<\/p>\n\n\n\n<p><strong>\u4f60\u8981\u5bf9\u54ea\u4e2a\u6570\u7ec4\u8fdb\u884c\u91cd\u5851\u3002<\/strong><\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u539f\u59cb\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>my_array = numpy.array(&#91;1, 2, 3, 4, 5, 6, 7, 8, 9])\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c 2 \u4e2a\u53c2\u6570\uff1a<code>(3, 3)<\/code><\/h3>\n\n\n\n<p>\u8868\u793a\uff1a<\/p>\n\n\n\n<p><strong>\u4f60\u60f3\u628a\u5b83\u53d8\u6210\u4ec0\u4e48\u5f62\u72b6\u3002<\/strong><\/p>\n\n\n\n<p>\u8fd9\u91cc <code>(3, 3)<\/code> \u662f\u4e00\u4e2a\u5143\u7ec4\uff0c\u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3 \u884c<\/li>\n\n\n\n<li>3 \u5217<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.reshape(my_array, (3, 3))\n<\/code><\/pre>\n\n\n\n<p>\u5c31\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u628a <code>my_array<\/code> \u91cd\u65b0\u6392\u6210 3 \u884c 3 \u5217\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u8fd9\u91cc\u8981\u5199\u6210 <code>(3, 3)<\/code>\uff0c\u800c\u4e0d\u662f <code>3, 3<\/code><\/h2>\n\n\n\n<p>\u56e0\u4e3a <code>reshape<\/code> \u9700\u8981\u4e00\u4e2a\u201c\u5f62\u72b6\u8bf4\u660e\u201d\uff0c\u8fd9\u4e2a\u5f62\u72b6\u901a\u5e38\u7528\u5143\u7ec4\u6765\u8868\u793a\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>(3, 3)<\/code> \u8868\u793a 3 \u884c 3 \u5217<\/li>\n\n\n\n<li><code>(1, 9)<\/code> \u8868\u793a 1 \u884c 9 \u5217<\/li>\n\n\n\n<li><code>(9, 1)<\/code> \u8868\u793a 9 \u884c 1 \u5217<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u51e0\u4e2a\u5f62\u72b6\u90fd\u7528\u4e86 9 \u4e2a\u5143\u7d20\uff0c\u6240\u4ee5\u90fd\u53ef\u4ee5\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3, 4, 5, 6, 7, 8, 9])\n\nprint(numpy.reshape(a, (3, 3)))\nprint(numpy.reshape(a, (1, 9)))\nprint(numpy.reshape(a, (9, 1)))\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><code>reshape<\/code> \u4e3a\u4ec0\u4e48\u80fd\u6210\u529f<\/h2>\n\n\n\n<p>\u56e0\u4e3a\u4f60\u7684\u6570\u636e\u6b63\u597d\u6709 9 \u4e2a\u5143\u7d20\uff0c\u800c\u76ee\u6807\u5f62\u72b6 <code>(3, 3)<\/code> \u4e5f\u9700\u8981\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>3 * 3 = 9\n<\/code><\/pre>\n\n\n\n<p>\u5143\u7d20\u4e2a\u6570\u5b8c\u5168\u4e00\u81f4\uff0c\u6240\u4ee5\u53ef\u4ee5\u91cd\u5851\u6210\u529f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u89c4\u5219<\/h3>\n\n\n\n<p><strong>reshape \u524d\u540e\uff0c\u5143\u7d20\u603b\u6570\u5fc5\u987b\u76f8\u540c\u3002<\/strong><\/p>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>9 \u4e2a\u5143\u7d20\u53ef\u4ee5\u53d8\u6210 <code>(3, 3)<\/code><\/li>\n\n\n\n<li>9 \u4e2a\u5143\u7d20\u53ef\u4ee5\u53d8\u6210 <code>(1, 9)<\/code><\/li>\n\n\n\n<li>9 \u4e2a\u5143\u7d20\u53ef\u4ee5\u53d8\u6210 <code>(9, 1)<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u4f46\u662f\u4e0d\u80fd\u53d8\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>(2, 2)<\/code>\uff0c\u56e0\u4e3a\u53ea\u9700\u8981 4 \u4e2a\u5143\u7d20<\/li>\n\n\n\n<li><code>(2, 5)<\/code>\uff0c\u56e0\u4e3a\u9700\u8981 10 \u4e2a\u5143\u7d20<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u90fd\u4f1a\u62a5\u9519\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd9\u9053\u9898\u7684\u5b8c\u6574\u6267\u884c\u8fc7\u7a0b<\/h2>\n\n\n\n<p>\u4e0b\u9762\u6211\u4eec\u628a\u6574\u6bb5\u4ee3\u7801\u5b8c\u6574\u6a21\u62df\u4e00\u904d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u539f\u4ee3\u7801<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\narr = list(map(int, input().split()))\nmy_array = numpy.array(arr)\nprint(numpy.reshape(my_array, (3, 3)))\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u5047\u8bbe\u8f93\u5165<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>1 2 3 4 5 6 7 8 9\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>input().split()\n<\/code><\/pre>\n\n\n\n<p>\u5f97\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'1', '2', '3', '4', '5', '6', '7', '8', '9']\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>map(int, ...)\n<\/code><\/pre>\n\n\n\n<p>\u628a\u6bcf\u4e2a\u5b57\u7b26\u4e32\u8f6c\u6210\u6574\u6570\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u6b65<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>list(...)\n<\/code><\/pre>\n\n\n\n<p>\u5f97\u5230\u5217\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1, 2, 3, 4, 5, 6, 7, 8, 9]\n<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arr = &#91;1, 2, 3, 4, 5, 6, 7, 8, 9]\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u56db\u6b65<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>my_array = numpy.array(arr)\n<\/code><\/pre>\n\n\n\n<p>\u628a Python \u5217\u8868\u53d8\u6210 NumPy \u6570\u7ec4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e94\u6b65<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.reshape(my_array, (3, 3))\n<\/code><\/pre>\n\n\n\n<p>\u628a\u4e00\u7ef4\u6570\u7ec4\u91cd\u65b0\u6392\u6210 3 \u884c 3 \u5217\uff0c\u7ed3\u679c\u5c31\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;1 2 3]\n &#91;4 5 6]\n &#91;7 8 9]]\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ece\u601d\u8def\u5230\u4ee3\u7801\uff0c\u5e94\u8be5\u600e\u4e48\u60f3<\/h2>\n\n\n\n<p>\u505a\u8fd9\u79cd\u9898\u65f6\uff0c\u4e0d\u8981\u4e00\u4e0a\u6765\u5c31\u76ef\u7740\u51fd\u6570\u540d\uff0c\u800c\u662f\u5148\u60f3\u201c\u6570\u636e\u600e\u4e48\u53d8\u5316\u201d\u3002<\/p>\n\n\n\n<p>\u8fd9\u9898\u7684\u601d\u8def\u5176\u5b9e\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u9898\u76ee\u7ed9\u6211\u4ec0\u4e48<\/h3>\n\n\n\n<p>\u9898\u76ee\u7ed9\u7684\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u4e00\u884c\u91cc\u6709 9 \u4e2a\u6574\u6570\uff0c\u4e2d\u95f4\u7528\u7a7a\u683c\u9694\u5f00\u3002<\/strong><\/p>\n\n\n\n<p>\u6240\u4ee5\u4f60\u8981\u7acb\u523b\u60f3\u5230\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5148\u8bfb\u4e00\u6574\u884c<\/li>\n\n\n\n<li>\u518d\u6309\u7a7a\u683c\u5207\u5f00<\/li>\n<\/ul>\n\n\n\n<p>\u5bf9\u5e94\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>input().split()\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a\u5207\u5f00\u540e\u662f\u4ec0\u4e48<\/h3>\n\n\n\n<p>\u5207\u5f00\u540e\u5f97\u5230\u7684\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u5b57\u7b26\u4e32\u5217\u8868<\/strong><\/p>\n\n\n\n<p>\u4e0d\u662f\u6574\u6570\uff0c\u6240\u4ee5\u8fd8\u4e0d\u80fd\u76f4\u63a5\u5f53\u6570\u5b57\u7528\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\u8fd8\u8981\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u628a\u6bcf\u4e2a\u5b57\u7b26\u4e32\u8f6c\u6210\u6574\u6570<\/li>\n<\/ul>\n\n\n\n<p>\u5bf9\u5e94\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>map(int, ...)\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u6b65\uff1a\u6700\u7ec8\u60f3\u8981\u4ec0\u4e48<\/h3>\n\n\n\n<p>\u9898\u76ee\u8981\u7684\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u4e00\u4e2a 3&#215;3 \u7684 NumPy array<\/strong><\/p>\n\n\n\n<p>\u6240\u4ee5\u5148\u53d8\u6210 NumPy \u6570\u7ec4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.array(arr)\n<\/code><\/pre>\n\n\n\n<p>\u518d\u6539\u6210 3 \u884c 3 \u5217\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.reshape(my_array, (3, 3))\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5c0f\u53ef\u8fd0\u884c\u4f8b\u5b50<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u5148\u5355\u72ec\u8dd1\u8fd9\u4e2a\u5c0f\u4f8b\u5b50\uff0c\u4e13\u95e8\u89c2\u5bdf <code>split()<\/code> \u548c <code>reshape()<\/code>\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\ntext = \"1 2 3 4 5 6 7 8 9\"\nparts = text.split()\nprint(parts)\n\narr = list(map(int, parts))\nprint(arr)\n\nmy_array = numpy.array(arr)\nprint(my_array)\n\nnew_array = numpy.reshape(my_array, (3, 3))\nprint(new_array)\n<\/code><\/pre>\n\n\n\n<p>\u4f60\u8fd0\u884c\u540e\uff0c\u4f1a\u4e00\u6b65\u6b65\u770b\u5230\u6570\u636e\u600e\u4e48\u53d8\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u521d\u5b66\u8005\u6700\u5bb9\u6613\u6df7\u6dc6\u7684\u51e0\u4e2a\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. <code>input()<\/code> \u8bfb\u5230\u7684\u9ed8\u8ba4\u662f\u5b57\u7b26\u4e32<\/h3>\n\n\n\n<p>\u8fd9\u662f\u6700\u5e38\u89c1\u9519\u8bef\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1 2 3\n<\/code><\/pre>\n\n\n\n<p>\u4e0d\u662f\u76f4\u63a5\u5f97\u5230\u6570\u5b57\u5217\u8868\uff0c\u800c\u662f\u5f97\u5230\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"1 2 3\"\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. <code>split()<\/code> \u5f97\u5230\u7684\u8fd8\u662f\u5b57\u7b26\u4e32\u5217\u8868<\/h3>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'1', '2', '3']\n<\/code><\/pre>\n\n\n\n<p>\u6ce8\u610f\u6709\u5f15\u53f7\uff0c\u8bf4\u660e\u8fd8\u662f\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u4e0d\u8f6c\u6210 <code>int<\/code>\uff0c\u540e\u9762\u5f88\u591a\u6570\u503c\u64cd\u4f5c\u90fd\u4f1a\u4e0d\u5bf9\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. <code>reshape()<\/code> \u4e0d\u662f\u968f\u4fbf\u6539\u5f62\u72b6<\/h3>\n\n\n\n<p>\u5b83\u5fc5\u987b\u6ee1\u8db3\uff1a<\/p>\n\n\n\n<p><strong>\u65b0\u5f62\u72b6\u9700\u8981\u7684\u5143\u7d20\u603b\u6570 = \u539f\u6765\u6570\u7ec4\u7684\u5143\u7d20\u603b\u6570<\/strong><\/p>\n\n\n\n<p>\u8fd9\u662f\u786c\u89c4\u5219\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. <code>reshape()<\/code> \u6539\u7684\u662f\u5f62\u72b6\uff0c\u4e0d\u662f\u5185\u5bb9<\/h3>\n\n\n\n<p>\u5b83\u4e0d\u4f1a\u628a 1 \u53d8\u6210\u522b\u7684\u6570\uff0c\u4e5f\u4e0d\u4f1a\u6392\u5e8f\u3002<\/p>\n\n\n\n<p>\u5b83\u53ea\u662f\u91cd\u65b0\u6392\u5217\u663e\u793a\u65b9\u5f0f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u518d\u8865\u4e00\u4e2a\u4f60\u5f88\u5bb9\u6613\u9047\u5230\u7684\u5199\u6cd5<\/h2>\n\n\n\n<p>\u9664\u4e86\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.reshape(my_array, (3, 3))\n<\/code><\/pre>\n\n\n\n<p>\u4f60\u4ee5\u540e\u8fd8\u4f1a\u770b\u5230\u8fd9\u79cd\u5199\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>my_array.reshape(3, 3)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e24\u4e2a\u610f\u601d\u5f88\u63a5\u8fd1\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u521d\u5b66\u9636\u6bb5\uff0c\u4f60\u53ef\u4ee5\u5148\u8fd9\u6837\u8bb0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>numpy.reshape(my_array, (3, 3))<\/code>\uff1a\u628a\u6570\u7ec4\u4f20\u8fdb\u53bb\u518d\u91cd\u5851<\/li>\n\n\n\n<li><code>my_array.reshape(3, 3)<\/code>\uff1a\u76f4\u63a5\u8ba9\u8fd9\u4e2a\u6570\u7ec4\u81ea\u5df1\u91cd\u5851<\/li>\n<\/ul>\n\n\n\n<p>\u5728\u8fd9\u9053\u9898\u91cc\uff0c\u7528\u54ea\u79cd\u90fd\u53ef\u4ee5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u672c\u8282\u5c0f\u7ed3<\/h2>\n\n\n\n<p>\u8fd9\u9053\u9898\u6700\u6838\u5fc3\u7684\u4e24\u90e8\u5206\u53ef\u4ee5\u8fd9\u6837\u8bb0\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>input().split()<\/code><\/h3>\n\n\n\n<p>\u8868\u793a\uff1a<\/p>\n\n\n\n<p><strong>\u8bfb\u5165\u4e00\u6574\u884c\u5b57\u7b26\u4e32\uff0c\u518d\u6309\u7a7a\u683c\u62c6\u5f00\uff0c\u5f97\u5230\u5b57\u7b26\u4e32\u5217\u8868\u3002<\/strong><\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"1 2 3\".split()\n<\/code><\/pre>\n\n\n\n<p>\u5f97\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'1', '2', '3']\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><code>list(map(int, input().split()))<\/code><\/h3>\n\n\n\n<p>\u8868\u793a\uff1a<\/p>\n\n\n\n<p><strong>\u628a\u62c6\u51fa\u6765\u7684\u6bcf\u4e2a\u5b57\u7b26\u4e32\u90fd\u8f6c\u6210\u6574\u6570\uff0c\u6700\u540e\u5f97\u5230\u6574\u6570\u5217\u8868\u3002<\/strong><\/p>\n\n\n\n<p>\u4f8b\u5982\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1 2 3\n<\/code><\/pre>\n\n\n\n<p>\u5f97\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1, 2, 3]\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><code>numpy.reshape(my_array, (3, 3))<\/code><\/h3>\n\n\n\n<p>\u8868\u793a\uff1a<\/p>\n\n\n\n<p><strong>\u628a\u6570\u7ec4 <code>my_array<\/code> \u6539\u6210 3 \u884c 3 \u5217\u7684\u5f62\u72b6\u3002<\/strong><\/p>\n\n\n\n<p>\u5176\u4e2d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>my_array<\/code> \u662f\u8981\u88ab\u6539\u5f62\u72b6\u7684\u6570\u7ec4<\/li>\n\n\n\n<li><code>(3, 3)<\/code> \u662f\u76ee\u6807\u5f62\u72b6\uff0c\u610f\u601d\u662f 3 \u884c 3 \u5217<\/li>\n<\/ul>\n\n\n\n<p>\u800c\u4e14\u5fc5\u987b\u6ee1\u8db3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u539f\u5143\u7d20\u603b\u6570 = \u65b0\u5f62\u72b6\u6240\u9700\u5143\u7d20\u603b\u6570\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec3\u4e60<\/h2>\n\n\n\n<p>\u8bf7\u4f60\u81ea\u5df1\u8bd5\u7740\u5199\u4e00\u4e2a\u5c0f\u7a0b\u5e8f\uff1a<\/p>\n\n\n\n<p>\u628a\u8f93\u5165\u7684\u4e00\u884c 6 \u4e2a\u6574\u6570\uff0c\u8f6c\u6362\u6210\u4e00\u4e2a <code>2 x 3<\/code> \u7684 NumPy \u6570\u7ec4\u5e76\u6253\u5370\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u63d0\u793a\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5148\u7528 <code>input().split()<\/code> \u628a\u4e00\u884c\u62c6\u5f00<\/li>\n\n\n\n<li>\u518d\u628a\u6bcf\u4e2a\u5b57\u7b26\u4e32\u8f6c\u6210\u6574\u6570<\/li>\n\n\n\n<li>\u7528 <code>numpy.array()<\/code> \u53d8\u6210\u6570\u7ec4<\/li>\n\n\n\n<li>\u7528 <code>reshape<\/code> \u6539\u6210 <code>(2, 3)<\/code><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u8865\u5145\uff1a\u4e3a\u4ec0\u4e48 <code>split()<\/code> \u540e\u5f97\u5230\u7684\u662f\u5b57\u7b26\u4e32\uff0c\u800c\u4e0d\u662f\u6574\u6570<\/h2>\n\n\n\n<p>\u8fd9\u4e2a\u95ee\u9898\u975e\u5e38\u5173\u952e\u3002\u5f88\u591a\u521d\u5b66\u8005\u7b2c\u4e00\u6b21\u770b\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>input().split()\n<\/code><\/pre>\n\n\n\n<p>\u90fd\u4f1a\u4e0b\u610f\u8bc6\u89c9\u5f97\uff0c\u65e2\u7136\u6211\u8f93\u5165\u7684\u662f <code>1 2 3<\/code>\uff0c\u90a3\u5206\u5f00\u4ee5\u540e\u5e94\u8be5\u5c31\u662f\u6570\u5b57 <code>1, 2, 3<\/code>\u3002\u4f46 Python \u5e76\u4e0d\u4f1a\u8fd9\u6837\u505a\u3002<\/p>\n\n\n\n<p>\u539f\u56e0\u5f88\u7b80\u5355\uff1a<\/p>\n\n\n\n<p><strong><code>input()<\/code> \u8bfb\u8fdb\u6765\u7684\uff0c\u672c\u8d28\u4e0a\u5c31\u662f\u4e00\u6574\u884c\u6587\u672c\u3002<\/strong><\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u4f60\u5728\u952e\u76d8\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1 2 3\n<\/code><\/pre>\n\n\n\n<p>\u7a0b\u5e8f\u773c\u91cc\u770b\u5230\u7684\u4e0d\u662f\u4e09\u4e2a\u6570\u5b57\uff0c\u800c\u662f\u4e00\u4e32\u5b57\u7b26\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"1 2 3\"\n<\/code><\/pre>\n\n\n\n<p>\u65e2\u7136 <code>split()<\/code> \u662f\u5bf9\u5b57\u7b26\u4e32\u505a\u64cd\u4f5c\uff0c\u90a3\u4e48\u5b83\u505a\u7684\u4e8b\u60c5\u53ea\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u628a\u8fd9\u4e32\u6587\u672c\u6309\u7a7a\u683c\u5207\u6210\u51e0\u6bb5\u6587\u672c\u3002<\/strong><\/p>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"1 2 3\".split()\n<\/code><\/pre>\n\n\n\n<p>\u5f97\u5230\u7684\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'1', '2', '3']\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u6bcf\u4e00\u9879\u4ecd\u7136\u662f\u5b57\u7b26\u4e32\uff0c\u4e0d\u662f\u6574\u6570\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48 Python \u4e0d\u81ea\u52a8\u628a\u5b83\u53d8\u6210\u6574\u6570<\/h3>\n\n\n\n<p>\u56e0\u4e3a Python \u4e0d\u4f1a\u66ff\u4f60\u201c\u731c\u201d\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\u4e0b\u9762\u8fd9\u4e9b\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"1 2 3\"\n\"001 002 003\"\n\"1.5 2.8 3.1\"\n\"hello world\"\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c <code>split()<\/code> \u81ea\u52a8\u8f6c\u6570\u5b57\uff0c\u5c31\u4f1a\u51fa\u73b0\u5f88\u591a\u95ee\u9898\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5230\u5e95\u8be5\u8f6c\u6210 <code>int<\/code> \u8fd8\u662f <code>float<\/code><\/li>\n\n\n\n<li>\u5982\u679c\u91cc\u9762\u6709\u5355\u8bcd\u600e\u4e48\u529e<\/li>\n\n\n\n<li>\u5982\u679c\u65e2\u6709\u6570\u5b57\u53c8\u6709\u5b57\u6bcd\u600e\u4e48\u529e<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5 Python \u91c7\u53d6\u7684\u89c4\u5219\u5f88\u7edf\u4e00\uff1a<\/p>\n\n\n\n<p><strong><code>split()<\/code> \u53ea\u8d1f\u8d23\u201c\u5207\u5f00\u5b57\u7b26\u4e32\u201d\uff0c\u4e0d\u8d1f\u8d23\u201c\u7406\u89e3\u5185\u5bb9\u7c7b\u578b\u201d\u3002<\/strong><\/p>\n\n\n\n<p>\u7c7b\u578b\u8f6c\u6362\u8fd9\u4e00\u6b65\uff0c\u8981\u4f60\u81ea\u5df1\u660e\u786e\u5199\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u6211\u4eec\u540e\u9762\u8981\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>list(map(int, input().split()))\n<\/code><\/pre>\n\n\n\n<p>\u610f\u601d\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5148\u62c6\u5f00<\/li>\n\n\n\n<li>\u518d\u660e\u786e\u544a\u8bc9 Python\uff1a\u8fd9\u4e9b\u5185\u5bb9\u6211\u8981\u6309\u6574\u6570\u6765\u5904\u7406<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><code>map<\/code> \u5230\u5e95\u662f\u600e\u4e48\u9010\u4e2a\u5904\u7406\u6570\u636e\u7684<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5148\u7528\u4e00\u53e5\u6700\u76f4\u767d\u7684\u8bdd\u7406\u89e3<\/h3>\n\n\n\n<p><code>map<\/code> \u7684\u4f5c\u7528\u53ef\u4ee5\u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n<p><strong>\u628a\u540c\u4e00\u4e2a\u64cd\u4f5c\uff0c\u4f9d\u6b21\u5e94\u7528\u5230\u4e00\u7ec4\u6570\u636e\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u4e0a\u3002<\/strong><\/p>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>parts = &#91;'1', '2', '3']\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u4f60\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>map(int, parts)\n<\/code><\/pre>\n\n\n\n<p>\u610f\u601d\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9 <code>'1'<\/code> \u505a <code>int('1')<\/code><\/li>\n\n\n\n<li>\u5bf9 <code>'2'<\/code> \u505a <code>int('2')<\/code><\/li>\n\n\n\n<li>\u5bf9 <code>'3'<\/code> \u505a <code>int('3')<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u6700\u540e\u5c31\u53d8\u6210\u6574\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1, 2, 3\n<\/code><\/pre>\n\n\n\n<p>\u4e0d\u8fc7\u5728 Python 3 \u91cc\uff0c<code>map(...)<\/code> \u8fd4\u56de\u7684\u4e0d\u662f\u73b0\u6210\u5217\u8868\uff0c\u800c\u662f\u4e00\u4e2a\u201c\u53ef\u8fed\u4ee3\u5bf9\u8c61\u201d\uff0c\u6240\u4ee5\u901a\u5e38\u518d\u7528 <code>list(...)<\/code> \u628a\u7ed3\u679c\u771f\u6b63\u62ff\u51fa\u6765\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>arr = list(map(int, parts))\n<\/code><\/pre>\n\n\n\n<p>\u6700\u540e\u5f97\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1, 2, 3]\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u628a <code>map<\/code> \u7ffb\u8bd1\u6210\u6700\u6734\u7d20\u7684 <code>for<\/code> \u5faa\u73af<\/h2>\n\n\n\n<p>\u4e0b\u9762\u8fd9\u4e24\u79cd\u5199\u6cd5\uff0c\u672c\u8d28\u662f\u4e00\u6837\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5199\u6cd5 1\uff1a\u7528 <code>map<\/code><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>parts = &#91;'1', '2', '3']\narr = list(map(int, parts))\nprint(arr)\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u5199\u6cd5 2\uff1a\u7528 <code>for<\/code> \u5faa\u73af\u5c55\u5f00<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>parts = &#91;'1', '2', '3']\narr = &#91;]\n\nfor x in parts:\n    arr.append(int(x))\n\nprint(arr)\n<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\u4f60\u53ef\u4ee5\u628a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>list(map(int, input().split()))\n<\/code><\/pre>\n\n\n\n<p>\u8111\u5b50\u91cc\u7ffb\u8bd1\u6210\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5148\u5f97\u5230\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868<\/li>\n\n\n\n<li>\u518d\u628a\u5217\u8868\u91cc\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u505a\u4e00\u6b21 <code>int()<\/code><\/li>\n\n\n\n<li>\u6700\u540e\u6536\u96c6\u6210\u5217\u8868<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><code>map<\/code> \u662f\u201c\u9a6c\u4e0a\u5168\u90e8\u5904\u7406\u5b8c\u201d\u5417<\/h2>\n\n\n\n<p>\u4ece\u521d\u5b66\u89d2\u5ea6\uff0c\u4f60\u53ef\u4ee5\u5148\u628a\u5b83\u7406\u89e3\u6210\u201c\u9010\u4e2a\u5904\u7406\u201d\u3002<\/p>\n\n\n\n<p>\u66f4\u51c6\u786e\u5730\u8bf4\uff0c\u5728 Python 3 \u91cc\uff0c<code>map<\/code> \u662f\u4e00\u79cd\u201c\u6309\u9700\u8981\u4e00\u4e2a\u4e00\u4e2a\u4ea7\u51fa\u7ed3\u679c\u201d\u7684\u5bf9\u8c61\u3002\u5b83\u4e0d\u662f\u4e00\u5f00\u59cb\u5c31\u628a\u6240\u6709\u7ed3\u679c\u90fd\u6446\u5728\u4f60\u9762\u524d\u3002<\/p>\n\n\n\n<p>\u4f46\u5728\u4f60\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>list(map(int, input().split()))\n<\/code><\/pre>\n\n\n\n<p>\u7684\u65f6\u5019\uff0c<code>list(...)<\/code> \u4f1a\u628a\u8fd9\u4e9b\u7ed3\u679c\u5168\u90e8\u53d6\u51fa\u6765\uff0c\u6240\u4ee5\u4f60\u6700\u540e\u8fd8\u662f\u5f97\u5230\u4e00\u4e2a\u5b8c\u6574\u5217\u8868\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u5165\u95e8\u9636\u6bb5\uff0c\u4f60\u53ef\u4ee5\u5148\u8fd9\u6837\u8bb0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>map(int, ...)<\/code>\uff1a\u8ba9\u6bcf\u4e2a\u5143\u7d20\u505a\u4e00\u6b21 <code>int<\/code><\/li>\n\n\n\n<li><code>list(...)<\/code>\uff1a\u628a\u5904\u7406\u540e\u7684\u7ed3\u679c\u771f\u6b63\u88c5\u8fdb\u5217\u8868\u91cc<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5c31\u8db3\u591f\u4e86\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u679c\u6211\u4fee\u6539 <code>split()<\/code> \u91cc\u9762\u7684\u53c2\u6570\uff0c\u4f1a\u600e\u4e48\u6837<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u60c5\u51b5 1\uff1a\u4ec0\u4e48\u90fd\u4e0d\u5199<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>text = \"1 2 3 4\"\nprint(text.split())\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'1', '2', '3', '4']\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u8868\u793a\u6309\u7a7a\u767d\u5b57\u7b26\u5206\u5f00\uff0c\u662f\u6700\u5e38\u89c1\u7528\u6cd5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u60c5\u51b5 2\uff1a\u6307\u5b9a\u5206\u9694\u7b26<\/h3>\n\n\n\n<p>\u6bd4\u5982\u5b57\u7b26\u4e32\u91cc\u4e0d\u662f\u7a7a\u683c\uff0c\u800c\u662f\u9017\u53f7\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>text = \"1,2,3,4\"\nprint(text.split(','))\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'1', '2', '3', '4']\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u8bf4\u660e\uff1a<\/p>\n\n\n\n<p><strong>\u4f60\u4f20\u7ed9 <code>split()<\/code> \u4ec0\u4e48\u5206\u9694\u7b26\uff0c\u5b83\u5c31\u6309\u4ec0\u4e48\u5207\u3002<\/strong><\/p>\n\n\n\n<p>\u5982\u679c\u4f60\u5206\u9694\u7b26\u5199\u9519\u4e86\uff0c\u5c31\u5207\u4e0d\u5f00\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>text = \"1,2,3,4\"\nprint(text.split())\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\u4f1a\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'1,2,3,4']\n<\/code><\/pre>\n\n\n\n<p>\u56e0\u4e3a\u8fd9\u4e2a\u5b57\u7b26\u4e32\u91cc\u6ca1\u6709\u7a7a\u683c\uff0c\u6240\u4ee5\u9ed8\u8ba4\u6309\u7a7a\u683c\u5207\u65f6\uff0c\u6574\u4e2a\u5b57\u7b26\u4e32\u5c31\u8fd8\u662f\u4e00\u6574\u5757\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u60c5\u51b5 3\uff1a\u9650\u5236\u5207\u51e0\u6b21<\/h3>\n\n\n\n<p><code>split()<\/code> \u8fd8\u53ef\u4ee5\u63a7\u5236\u6700\u591a\u5207\u51e0\u6b21\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>text = \"a b c d\"\nprint(text.split(maxsplit=1))\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'a', 'b c d']\n<\/code><\/pre>\n\n\n\n<p>\u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ea\u5207\u4e00\u6b21<\/li>\n\n\n\n<li>\u524d\u9762\u5207\u51fa <code>'a'<\/code><\/li>\n\n\n\n<li>\u540e\u9762\u5269\u4e0b\u7684\u5168\u90e8\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e2a\u5728\u521d\u5b66\u9636\u6bb5\u4e0d\u662f\u6700\u5e38\u7528\uff0c\u4f46\u4f60\u4ee5\u540e\u4f1a\u89c1\u5230\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u679c\u6211\u4fee\u6539 <code>map()<\/code> \u91cc\u7684\u53c2\u6570\uff0c\u4f1a\u600e\u4e48\u6837<\/h2>\n\n\n\n<p><code>map<\/code> \u7684\u57fa\u672c\u7ed3\u6784\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>map(\u51fd\u6570, \u53ef\u8fed\u4ee3\u5bf9\u8c61)\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c<code>map<\/code> \u6700\u6838\u5fc3\u7684\u4e24\u4e2a\u90e8\u5206\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f60\u60f3\u5bf9\u6bcf\u4e2a\u5143\u7d20\u505a\u4ec0\u4e48\u64cd\u4f5c<\/li>\n\n\n\n<li>\u4f60\u60f3\u5904\u7406\u54ea\u4e00\u7ec4\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f8b 1\uff1a\u628a\u5b57\u7b26\u4e32\u8f6c\u6210\u6574\u6570<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>parts = &#91;'1', '2', '3']\nprint(list(map(int, parts)))\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1, 2, 3]\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f8b 2\uff1a\u628a\u5b57\u7b26\u4e32\u8f6c\u6210\u6d6e\u70b9\u6570<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>parts = &#91;'1.5', '2.8', '3.2']\nprint(list(map(float, parts)))\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1.5, 2.8, 3.2]\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f8b 3\uff1a\u628a\u6bcf\u4e2a\u5b57\u7b26\u4e32\u53d8\u6210\u5927\u5199<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>parts = &#91;'apple', 'banana']\nprint(list(map(str.upper, parts)))\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'APPLE', 'BANANA']\n<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\u4f60\u53ef\u4ee5\u770b\u5230\uff1a<\/p>\n\n\n\n<p><strong><code>map<\/code> \u672c\u8eab\u4e0d\u51b3\u5b9a\u505a\u4ec0\u4e48\uff0c\u771f\u6b63\u51b3\u5b9a\u884c\u4e3a\u7684\u662f\u4f60\u4f20\u8fdb\u53bb\u7684\u90a3\u4e2a\u51fd\u6570\u3002<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f20 <code>int<\/code>\uff0c\u5c31\u8f6c\u6574\u6570<\/li>\n\n\n\n<li>\u4f20 <code>float<\/code>\uff0c\u5c31\u8f6c\u6d6e\u70b9\u6570<\/li>\n\n\n\n<li>\u4f20\u522b\u7684\u51fd\u6570\uff0c\u5c31\u505a\u522b\u7684\u5904\u7406<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u679c\u8f93\u5165\u91cc\u6709\u4e0d\u80fd\u8f6c\u6362\u7684\u5185\u5bb9\uff0c\u4f1a\u600e\u4e48\u6837<\/h2>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>parts = &#91;'1', '2', 'hello']\nprint(list(map(int, parts)))\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4f1a\u62a5\u9519\uff0c\u56e0\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int('hello')\n<\/code><\/pre>\n\n\n\n<p>\u662f\u505a\u4e0d\u5230\u7684\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5 <code>map(int, ...)<\/code> \u6709\u4e00\u4e2a\u524d\u63d0\uff1a<\/p>\n\n\n\n<p><strong>\u5217\u8868\u91cc\u7684\u6bcf\u4e00\u9879\u90fd\u5fc5\u987b\u80fd\u6210\u529f\u8f6c\u6210\u6574\u6570\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u518d\u770b <code>reshape<\/code>\uff1a\u5b83\u7684\u53c2\u6570\u6539\u4e86\u4ee5\u540e\u4f1a\u600e\u4e48\u6837<\/h2>\n\n\n\n<p>\u4f60\u539f\u9898\u4e2d\u5199\u7684\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.reshape(my_array, (3, 3))\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u7b2c\u4e8c\u4e2a\u53c2\u6570 <code>(3, 3)<\/code> \u8868\u793a\u76ee\u6807\u5f62\u72b6\uff0c\u4e5f\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3 \u884c<\/li>\n\n\n\n<li>3 \u5217<\/li>\n<\/ul>\n\n\n\n<p>\u5982\u679c\u4f60\u6362\u6210\u522b\u7684\u5f62\u72b6\uff0c\u53ea\u8981\u603b\u5143\u7d20\u6570\u5bf9\u5f97\u4e0a\uff0c\u5c31\u90fd\u53ef\u4ee5\u3002<\/p>\n\n\n\n<p>\u5047\u8bbe\u539f\u6570\u7ec4\u6709 6 \u4e2a\u5143\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3, 4, 5, 6])\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\u4e0b\u9762\u8fd9\u4e9b\u90fd\u53ef\u4ee5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>print(a.reshape(2, 3))\nprint(a.reshape(3, 2))\nprint(a.reshape(1, 6))\nprint(a.reshape(6, 1))\n<\/code><\/pre>\n\n\n\n<p>\u56e0\u4e3a\u5b83\u4eec\u9700\u8981\u7684\u5143\u7d20\u603b\u6570\u5206\u522b\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>2 * 3 = 6<\/code><\/li>\n\n\n\n<li><code>3 * 2 = 6<\/code><\/li>\n\n\n\n<li><code>1 * 6 = 6<\/code><\/li>\n\n\n\n<li><code>6 * 1 = 6<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u90fd\u521a\u597d\u7b49\u4e8e\u539f\u6765\u7684 6 \u4e2a\u5143\u7d20\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u53eb\u201c\u5e73\u5206\u201d\u6216\u8005\u201c\u5747\u5206\u201d<\/h2>\n\n\n\n<p>\u8fd9\u91cc\u8bf4\u7684\u201c\u5e73\u5206\u201d\u201c\u5747\u5206\u201d\uff0c\u653e\u5230 <code>reshape<\/code> \u91cc\uff0c\u5b9e\u9645\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\uff1a<\/p>\n\n\n\n<p><strong>\u4f60\u60f3\u628a\u4e00\u4e32\u5143\u7d20\uff0c\u5e73\u5747\u5b89\u6392\u5230\u82e5\u5e72\u884c\u6216\u82e5\u5e72\u5217\u4e2d\u3002<\/strong><\/p>\n\n\n\n<p>\u6bd4\u5982\u6709 6 \u4e2a\u5143\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1, 2, 3, 4, 5, 6]\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u4f60\u60f3\u6392\u6210 2 \u884c\uff0c\u90a3\u4e48\u6bcf\u884c\u5c31\u8981\u653e 3 \u4e2a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;1 2 3]\n &#91;4 5 6]]\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u4f60\u60f3\u6392\u6210 3 \u884c\uff0c\u90a3\u4e48\u6bcf\u884c\u5c31\u8981\u653e 2 \u4e2a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;1 2]\n &#91;3 4]\n &#91;5 6]]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c31\u662f\u4e00\u79cd\u201c\u6574\u9f50\u5747\u5206\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u679c\u4e0d\u80fd\u5747\u5206\uff0c\u4f1a\u600e\u4e48\u6837<\/h2>\n\n\n\n<p>\u8fd9\u662f <code>reshape<\/code> \u91cc\u6700\u91cd\u8981\u7684\u89c4\u5219\u4e4b\u4e00\uff1a<\/p>\n\n\n\n<p><strong>\u603b\u5143\u7d20\u4e2a\u6570\u5fc5\u987b\u6b63\u597d\u7b49\u4e8e\u76ee\u6807\u5f62\u72b6\u6240\u9700\u7684\u683c\u5b50\u6570\u3002<\/strong><\/p>\n\n\n\n<p>\u4f8b\u5982\u4f60\u6709 7 \u4e2a\u5143\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1, 2, 3, 4, 5, 6, 7]\n<\/code><\/pre>\n\n\n\n<p>\u4f60\u60f3\u628a\u5b83\u53d8\u6210 <code>3 x 3<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.reshape(3, 3)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u662f\u4e0d\u884c\u7684\uff0c\u56e0\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>3 * 3 = 9\n<\/code><\/pre>\n\n\n\n<p>\u4f46\u4f60\u53ea\u6709 7 \u4e2a\u5143\u7d20\uff0c\u4e0d\u591f\u586b\u6ee1 9 \u4e2a\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<p>NumPy \u4e0d\u4f1a\u5e2e\u4f60\u81ea\u52a8\u8865\u7a7a\uff0c\u4e5f\u4e0d\u4f1a\u5077\u5077\u4e22\u6389\u5143\u7d20\uff0c\u5b83\u4f1a\u76f4\u63a5\u62a5\u9519\u3002<\/p>\n\n\n\n<p>\u901a\u5e38\u4f1a\u770b\u5230\u7c7b\u4f3c\u8fd9\u6837\u7684\u9519\u8bef\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ValueError: cannot reshape array of size 7 into shape (3,3)\n<\/code><\/pre>\n\n\n\n<p>\u610f\u601d\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u539f\u6570\u7ec4\u5927\u5c0f\u662f 7<\/li>\n\n\n\n<li>\u4f60\u60f3\u53d8\u6210 <code>(3,3)<\/code>\uff0c\u9700\u8981 9 \u4e2a\u4f4d\u7f6e<\/li>\n\n\n\n<li>\u5bf9\u4e0d\u4e0a\uff0c\u6240\u4ee5\u5931\u8d25<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e0d\u80fd\u5f62\u6210\u5b8c\u6574\u6570\u7ec4\u65f6\uff0cNumPy \u4f1a\u600e\u4e48\u505a<\/h2>\n\n\n\n<p>\u6807\u51c6\u4e8c\u7ef4\u6570\u7ec4\u8981\u6c42\u6bcf\u4e00\u884c\u957f\u5ea6\u4e00\u81f4\uff0c\u4e5f\u5c31\u662f\u5fc5\u987b\u662f\u89c4\u5219\u77e9\u9635\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u5982\u679c\u4f60\u60f3\u628a\u4e00\u7ef4\u6570\u636e\u91cd\u6392\u6210\u4e8c\u7ef4\uff0cNumPy \u8981\u6c42\u5fc5\u987b\u201c\u6392\u5f97\u6574\u6574\u9f50\u9f50\u201d\u3002<\/p>\n\n\n\n<p>\u5b83\u4e0d\u4f1a\u8fd9\u6837\u505a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u4f1a\u81ea\u52a8\u8865 <code>0<\/code><\/li>\n\n\n\n<li>\u4e0d\u4f1a\u81ea\u52a8\u8865\u7a7a\u503c<\/li>\n\n\n\n<li>\u4e0d\u4f1a\u81ea\u52a8\u820d\u5f03\u591a\u51fa\u6765\u7684\u5143\u7d20<\/li>\n<\/ul>\n\n\n\n<p>\u800c\u662f\u76f4\u63a5\u62a5\u9519\uff0c\u8ba9\u4f60\u81ea\u5df1\u51b3\u5b9a\u8be5\u600e\u4e48\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u8fd9\u5176\u5b9e\u662f\u5f88\u597d\u7684\u8bbe\u8ba1\uff0c\u56e0\u4e3a\u5b83\u907f\u514d\u7a0b\u5e8f\u6084\u6084\u505a\u9519\u4e8b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u679c\u957f\u5ea6\u4e0d\u5408\u9002\uff0c\u901a\u5e38\u600e\u4e48\u5904\u7406<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u6cd5 1\uff1a\u6539\u76ee\u6807\u5f62\u72b6<\/h3>\n\n\n\n<p>\u6bd4\u5982\u4f60\u6709 8 \u4e2a\u5143\u7d20\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1, 2, 3, 4, 5, 6, 7, 8]\n<\/code><\/pre>\n\n\n\n<p>\u4e0d\u80fd\u53d8\u6210 <code>(3, 3)<\/code>\uff0c\u4f46\u53ef\u4ee5\u53d8\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>(2, 4)<\/code><\/li>\n\n\n\n<li><code>(4, 2)<\/code><\/li>\n\n\n\n<li><code>(1, 8)<\/code><\/li>\n\n\n\n<li><code>(8, 1)<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u53ea\u8981\u4e58\u8d77\u6765\u7b49\u4e8e 8 \u5c31\u884c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u6cd5 2\uff1a\u8865\u9f50\u6570\u636e<\/h3>\n\n\n\n<p>\u5982\u679c\u4f60\u5c31\u662f\u60f3\u8981 <code>3 x 3<\/code>\uff0c\u90a3\u4f60\u5f97\u81ea\u5df1\u8865\u5230 9 \u4e2a\u5143\u7d20\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\narr = &#91;1, 2, 3, 4, 5, 6, 7, 8]\narr.append(0)\n\na = numpy.array(arr)\nprint(a.reshape(3, 3))\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u6837\u624d\u884c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u65b9\u6cd5 3\uff1a\u622a\u65ad\u6570\u636e<\/h3>\n\n\n\n<p>\u5982\u679c\u5143\u7d20\u592a\u591a\uff0c\u4e5f\u53ef\u4ee5\u624b\u52a8\u622a\u6389\u4e00\u90e8\u5206\uff0c\u518d\u91cd\u5851\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\u6709 10 \u4e2a\u5143\u7d20\uff0c\u4f46\u4f60\u53ea\u60f3\u505a <code>3 x 3<\/code>\uff0c\u90a3\u5c31\u5148\u53ea\u53d6\u524d 9 \u4e2a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7528\u5177\u4f53\u4f8b\u5b50\u770b\u201c\u80fd\u4e0d\u80fd\u5f62\u6210\u5b8c\u6574\u6570\u7ec4\u201d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u53ef\u4ee5\u6210\u529f\u7684\u4f8b\u5b50<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3, 4, 5, 6])\nprint(a.reshape(2, 3))\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;1 2 3]\n &#91;4 5 6]]\n<\/code><\/pre>\n\n\n\n<p>\u56e0\u4e3a <code>2 * 3 = 6<\/code>\uff0c\u521a\u597d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u5931\u8d25\u7684\u4f8b\u5b50<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3, 4, 5, 6, 7])\nprint(a.reshape(2, 3))\n<\/code><\/pre>\n\n\n\n<p>\u4f1a\u62a5\u9519\uff0c\u56e0\u4e3a <code>2 * 3 = 6<\/code>\uff0c\u4f46\u4f60\u6709 7 \u4e2a\u5143\u7d20\uff0c\u591a\u4e86\u4e00\u4e2a\uff0c\u4e5f\u4e0d\u884c\u3002<\/p>\n\n\n\n<p>\u5f88\u591a\u521d\u5b66\u8005\u53ea\u6ce8\u610f\u201c\u4e0d\u591f\u4e0d\u884c\u201d\uff0c\u5176\u5b9e\u201c\u591a\u4e86\u4e5f\u4e0d\u884c\u201d\u3002<\/p>\n\n\n\n<p>\u89c4\u5219\u4e0d\u662f\u201c\u5dee\u4e0d\u591a\u5c31\u884c\u201d\uff0c\u800c\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u5fc5\u987b\u5b8c\u5168\u76f8\u7b49\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd9\u51e0\u90e8\u5206\u5408\u5728\u4e00\u8d77\uff0c\u518d\u5b8c\u6574\u770b\u4e00\u904d<\/h2>\n\n\n\n<p>\u770b\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\narr = list(map(int, input().split()))\nmy_array = numpy.array(arr)\nprint(my_array.reshape(3, 3))\n<\/code><\/pre>\n\n\n\n<p>\u5047\u8bbe\u8f93\u5165\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1 2 3 4 5 6 7 8 9\n<\/code><\/pre>\n\n\n\n<p>\u7a0b\u5e8f\u4f1a\u8fd9\u6837\u8d70\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a<code>input()<\/code><\/h3>\n\n\n\n<p>\u5f97\u5230\u6574\u884c\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\"1 2 3 4 5 6 7 8 9\"\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a<code>split()<\/code><\/h3>\n\n\n\n<p>\u62c6\u6210\u5b57\u7b26\u4e32\u5217\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'1', '2', '3', '4', '5', '6', '7', '8', '9']\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u6b65\uff1a<code>map(int, ...)<\/code><\/h3>\n\n\n\n<p>\u5bf9\u6bcf\u4e2a\u5143\u7d20\u505a <code>int(...)<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1, 2, 3, 4, 5, 6, 7, 8, 9\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u56db\u6b65\uff1a<code>list(...)<\/code><\/h3>\n\n\n\n<p>\u6536\u96c6\u6210\u5217\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1, 2, 3, 4, 5, 6, 7, 8, 9]\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e94\u6b65\uff1a<code>numpy.array(...)<\/code><\/h3>\n\n\n\n<p>\u53d8\u6210 NumPy \u6570\u7ec4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u516d\u6b65\uff1a<code>reshape(3, 3)<\/code><\/h3>\n\n\n\n<p>\u91cd\u6392\u6210 3 \u884c 3 \u5217\uff0c\u56e0\u4e3a\u603b\u5143\u7d20\u6b63\u597d\u662f 9 \u4e2a\uff0c\u6240\u4ee5\u6210\u529f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5bb9\u6613\u9519\u7684\u51e0\u4e2a\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\uff0c<code>split()<\/code> \u4e0d\u4f1a\u81ea\u52a8\u8f6c\u6570\u5b57<\/h3>\n\n\n\n<p>\u5b83\u53ea\u8d1f\u8d23\u5207\u5f00\uff0c\u4e0d\u8d1f\u8d23\u7c7b\u578b\u8f6c\u6362\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\uff0c<code>map(int, ...)<\/code> \u91cc\u7684\u6bcf\u4e00\u9879\u90fd\u5fc5\u987b\u80fd\u8f6c\u6210\u6574\u6570<\/h3>\n\n\n\n<p>\u53ea\u8981\u6709\u4e00\u4e2a\u4e0d\u80fd\u8f6c\uff0c\u6574\u4e2a\u8fc7\u7a0b\u5c31\u4f1a\u62a5\u9519\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\uff0c<code>reshape<\/code> \u5fc5\u987b\u4e25\u683c\u5339\u914d\u5143\u7d20\u603b\u6570<\/h3>\n\n\n\n<p>\u4e0d\u662f\u201c\u5927\u6982\u5dee\u4e0d\u591a\u201d\uff0c\u800c\u662f\u5fc5\u987b\u5b8c\u5168\u76f8\u7b49\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u56db\uff0c\u4e0d\u80fd\u6574\u9f50\u6392\u5f00\u65f6\uff0cNumPy \u4e0d\u4f1a\u66ff\u4f60\u8865\u9f50<\/h3>\n\n\n\n<p>\u4f60\u5fc5\u987b\u81ea\u5df1\u51b3\u5b9a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6539\u5f62\u72b6<\/li>\n\n\n\n<li>\u8865\u6570\u636e<\/li>\n\n\n\n<li>\u5220\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u672c\u8282\u5c0f\u7ed3<\/h2>\n\n\n\n<p>\u8fd9\u51e0\u4e2a\u5730\u65b9\u53ef\u4ee5\u8fd9\u6837\u8bb0\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>split()<\/code> \u4e3a\u4ec0\u4e48\u5f97\u5230\u5b57\u7b26\u4e32<\/h3>\n\n\n\n<p>\u56e0\u4e3a <code>input()<\/code> \u672c\u6765\u8bfb\u8fdb\u6765\u7684\u5c31\u662f\u6587\u672c\uff0c<code>split()<\/code> \u53ea\u662f\u628a\u6587\u672c\u5207\u5f00\uff0c\u6240\u4ee5\u7ed3\u679c\u8fd8\u662f\u6587\u672c\uff0c\u4e5f\u5c31\u662f\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><code>map<\/code> \u662f\u600e\u4e48\u9010\u4e2a\u5904\u7406\u7684<\/h3>\n\n\n\n<p><code>map(int, data)<\/code> \u5c31\u662f\u628a <code>data<\/code> \u91cc\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u4f9d\u6b21\u505a\u4e00\u6b21 <code>int(...)<\/code>\u3002<\/p>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u628a\u5b83\u60f3\u6210\u4e00\u4e2a\u81ea\u52a8\u5316\u7684 <code>for<\/code> \u5faa\u73af\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6539\u53c2\u6570\u4f1a\u600e\u6837<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6539 <code>split()<\/code> \u7684\u53c2\u6570\uff0c\u5c31\u662f\u6539\u201c\u6309\u4ec0\u4e48\u5207\u201d<\/li>\n\n\n\n<li>\u6539 <code>map()<\/code> \u7684\u51fd\u6570\uff0c\u5c31\u662f\u6539\u201c\u5bf9\u6bcf\u4e2a\u5143\u7d20\u505a\u4ec0\u4e48\u5904\u7406\u201d<\/li>\n\n\n\n<li>\u6539 <code>reshape()<\/code> \u7684\u5f62\u72b6\uff0c\u5c31\u662f\u6539\u201c\u60f3\u6392\u6210\u51e0\u884c\u51e0\u5217\u201d<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0d\u80fd\u5f62\u6210\u5b8c\u6574\u6570\u7ec4\u600e\u4e48\u529e<\/h3>\n\n\n\n<p><code>reshape<\/code> \u65f6\uff0c\u5143\u7d20\u603b\u6570\u5fc5\u987b\u548c\u76ee\u6807\u5f62\u72b6\u5b8c\u5168\u4e00\u81f4\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u4e0d\u4e00\u81f4\uff0cNumPy \u4f1a\u76f4\u63a5\u62a5\u9519\uff0c\u4e0d\u4f1a\u81ea\u52a8\u8865\u9f50\uff0c\u4e5f\u4e0d\u4f1a\u81ea\u52a8\u5220\u9664\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec3\u4e60<\/h2>\n\n\n\n<p>\u8bf7\u4f60\u81ea\u5df1\u8bd5\u7740\u5224\u65ad\u4e0b\u9762\u6bcf\u4e00\u884c\u4ee3\u7801\u7684\u7ed3\u679c\uff0c\u5148\u4e0d\u8981\u8fd0\u884c\uff0c\u5148\u9760\u8111\u5b50\u60f3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>text = \"10 20 30\"\nprint(text.split())\nprint(list(map(int, text.split())))\n<\/code><\/pre>\n\n\n\n<p>\u518d\u5224\u65ad\u4e0b\u9762\u8fd9\u4e24\u53e5\uff0c\u54ea\u4e00\u53e5\u4f1a\u6210\u529f\uff0c\u54ea\u4e00\u53e5\u4f1a\u62a5\u9519\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\na = numpy.array(&#91;1, 2, 3, 4, 5, 6])\n\nprint(a.reshape(2, 3))\nprint(a.reshape(4, 2))\n<\/code><\/pre>\n\n\n\n<p>\u63d0\u793a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5148\u770b <code>split()<\/code> \u540e\u6bcf\u4e2a\u5143\u7d20\u662f\u4ec0\u4e48\u7c7b\u578b<\/li>\n\n\n\n<li>\u518d\u770b <code>reshape<\/code> \u65f6\uff0c\u76ee\u6807\u5f62\u72b6\u9700\u8981\u51e0\u4e2a\u4f4d\u7f6e<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><code>shape<\/code> \u548c <code>reshape<\/code> \u7684\u533a\u522b\u5230\u5e95\u662f\u4ec0\u4e48<\/h2>\n\n\n\n<p>\u8fd9\u662f NumPy \u91cc\u4e00\u4e2a\u975e\u5e38\u5bb9\u6613\u6df7\u6dc6\u7684\u70b9\uff0c\u56e0\u4e3a\u8fd9\u4e24\u4e2a\u5355\u8bcd\u957f\u5f97\u5f88\u50cf\uff0c\u800c\u4e14\u90fd\u548c\u201c\u5f62\u72b6\u201d\u6709\u5173\u3002<\/p>\n\n\n\n<p>\u4f46\u5b83\u4eec\u7684\u4f5c\u7528\u5176\u5b9e\u5b8c\u5168\u4e0d\u540c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>shape<\/code>\uff1a<strong>\u770b\u5f62\u72b6<\/strong><\/li>\n\n\n\n<li><code>reshape<\/code>\uff1a<strong>\u6539\u5f62\u72b6<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u5148\u628a\u5b83\u4eec\u8bb0\u6210\u4e00\u53e5\u6700\u76f4\u767d\u7684\u8bdd\uff1a<\/p>\n\n\n\n<p><strong><code>shape<\/code> \u662f\u201c\u73b0\u5728\u957f\u4ec0\u4e48\u6837\u201d\uff0c<code>reshape<\/code> \u662f\u201c\u628a\u5b83\u6539\u6210\u957f\u4ec0\u4e48\u6837\u201d\u3002<\/strong><\/p>\n\n\n\n<p>\u4e0b\u9762\u628a\u8fd9\u4e2a\u533a\u522b\u5f7b\u5e95\u8bb2\u6e05\u695a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><code>shape<\/code> \u662f\u5e72\u4ec0\u4e48\u7684<\/h2>\n\n\n\n<p><code>shape<\/code> \u7684\u4f5c\u7528\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u67e5\u770b\u4e00\u4e2a\u6570\u7ec4\u5f53\u524d\u7684\u5f62\u72b6\u3002<\/strong><\/p>\n\n\n\n<p>\u5b83\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u5143\u7ec4 <code>tuple<\/code>\uff0c\u91cc\u9762\u8bb0\u5f55\u4e86\u6bcf\u4e2a\u7ef4\u5ea6\u7684\u957f\u5ea6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u7ef4\u6570\u7ec4\u7684 <code>shape<\/code><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3, 4, 5])\nprint(a.shape)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(5,)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u7684 <code>(5,)<\/code> \u8868\u793a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8fd9\u662f\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4<\/li>\n\n\n\n<li>\u91cc\u9762\u6709 5 \u4e2a\u5143\u7d20<\/li>\n<\/ul>\n\n\n\n<p>\u6ce8\u610f\u8fd9\u4e2a\u9017\u53f7\u4e0d\u80fd\u5ffd\u7565\u3002<br><code>(5,)<\/code> \u4e0d\u662f\u666e\u901a\u62ec\u53f7\u5305\u4e2a\u6570\u5b57\uff0c\u5b83\u8868\u793a\u201c\u4e00\u7ef4\u5143\u7ec4\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u7ef4\u6570\u7ec4\u7684 <code>shape<\/code><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;&#91;1, 2, 3],\n                 &#91;4, 5, 6]])\nprint(a.shape)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(2, 3)\n<\/code><\/pre>\n\n\n\n<p>\u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2 \u884c<\/li>\n\n\n\n<li>3 \u5217<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5 <code>shape<\/code> \u7684\u672c\u8d28\u5c31\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u544a\u8bc9\u4f60\u8fd9\u4e2a\u6570\u7ec4\u73b0\u5728\u662f\u51e0\u884c\u51e0\u5217\uff0c\u6216\u8005\u66f4\u4e00\u822c\u5730\u8bf4\uff0c\u5404\u4e2a\u7ef4\u5ea6\u5206\u522b\u6709\u591a\u957f\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><code>reshape<\/code> \u662f\u5e72\u4ec0\u4e48\u7684<\/h2>\n\n\n\n<p><code>reshape<\/code> \u7684\u4f5c\u7528\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u628a\u6570\u7ec4\u91cd\u65b0\u53d8\u6210\u53e6\u4e00\u79cd\u5f62\u72b6\u3002<\/strong><\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3, 4, 5, 6])\nb = a.reshape(2, 3)\n\nprint(b)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;1 2 3]\n &#91;4 5 6]]\n<\/code><\/pre>\n\n\n\n<p>\u539f\u6765 <code>a<\/code> \u662f\u4e00\u7ef4\u7684\uff0c\u73b0\u5728\u901a\u8fc7 <code>reshape(2, 3)<\/code> \u53d8\u6210\u4e86\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>shape<\/code> \u662f\u201c\u63cf\u8ff0\u201d<\/li>\n\n\n\n<li><code>reshape<\/code> \u662f\u201c\u64cd\u4f5c\u201d<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7528\u4e00\u53e5\u7c7b\u6bd4\u6765\u7406\u89e3<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u628a\u6570\u7ec4\u60f3\u6210\u4e00\u5806\u79ef\u6728\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>shape<\/code><\/h3>\n\n\n\n<p>\u662f\u5728\u95ee\uff1a<\/p>\n\n\n\n<p><strong>\u8fd9\u4e9b\u79ef\u6728\u73b0\u5728\u662f\u600e\u4e48\u6446\u7684\uff1f<\/strong><\/p>\n\n\n\n<p>\u6bd4\u5982\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 \u6392\u6446 6 \u4e2a<\/li>\n\n\n\n<li>2 \u6392\uff0c\u6bcf\u6392 3 \u4e2a<\/li>\n\n\n\n<li>3 \u6392\uff0c\u6bcf\u6392 2 \u4e2a<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5c31\u662f <code>shape<\/code> \u5728\u505a\u7684\u4e8b\uff1a\u770b\u5f53\u524d\u6446\u6cd5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>reshape<\/code><\/h3>\n\n\n\n<p>\u662f\u5728\u505a\uff1a<\/p>\n\n\n\n<p><strong>\u628a\u8fd9\u4e9b\u79ef\u6728\u91cd\u65b0\u6446\u4e00\u6446\u3002<\/strong><\/p>\n\n\n\n<p>\u4f46\u524d\u63d0\u662f\u79ef\u6728\u603b\u6570\u4e0d\u80fd\u53d8\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u6838\u5fc3\u7684\u533a\u522b<\/h2>\n\n\n\n<p>\u4e0b\u9762\u662f\u6700\u91cd\u8981\u7684\u533a\u522b\uff0c\u4f60\u8981\u771f\u6b63\u8bb0\u4f4f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u540d\u79f0<\/th><th>\u4f5c\u7528<\/th><th>\u672c\u8d28<\/th><\/tr><\/thead><tbody><tr><td><code>shape<\/code><\/td><td>\u67e5\u770b\u5f53\u524d\u5f62\u72b6<\/td><td>\u5c5e\u6027<\/td><\/tr><tr><td><code>reshape()<\/code><\/td><td>\u6539\u53d8\u5f62\u72b6<\/td><td>\u65b9\u6cd5 \/ \u51fd\u6570<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>shape<\/code> \u4e0d\u8d1f\u8d23\u4fee\u6539<\/h3>\n\n\n\n<p>\u5b83\u53ea\u662f\u544a\u8bc9\u4f60\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.shape\n<\/code><\/pre>\n\n\n\n<p>\u76f8\u5f53\u4e8e\u5728\u95ee\uff1a<\/p>\n\n\n\n<p><strong>\u201c\u4f60\u73b0\u5728\u662f\u4ec0\u4e48\u5f62\u72b6\uff1f\u201d<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><code>reshape<\/code> \u4e0d\u8d1f\u8d23\u67e5\u770b\u5f53\u524d\u5f62\u72b6<\/h3>\n\n\n\n<p>\u5b83\u662f\u5728\u8bf4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.reshape(2, 3)\n<\/code><\/pre>\n\n\n\n<p>\u76f8\u5f53\u4e8e\u5728\u547d\u4ee4\uff1a<\/p>\n\n\n\n<p><strong>\u201c\u8bf7\u4f60\u53d8\u6210 2 \u884c 3 \u5217\u3002\u201d<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5148\u770b\u4e00\u4e2a\u5b8c\u6574\u4f8b\u5b50<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3, 4, 5, 6])\n\nprint(a)\nprint(a.shape)\n\nb = a.reshape(2, 3)\nprint(b)\nprint(b.shape)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\u903b\u8f91\u662f\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u5f00\u59cb\u7684 <code>a<\/code><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1 2 3 4 5 6]\n<\/code><\/pre>\n\n\n\n<p>\u5b83\u662f\u4e00\u7ef4\u6570\u7ec4\uff0c\u6240\u4ee5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.shape\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(6,)\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ecf\u8fc7 <code>reshape(2, 3)<\/code> \u4e4b\u540e<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;1 2 3]\n &#91;4 5 6]]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u65f6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>b.shape\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(2, 3)\n<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\u4f60\u80fd\u770b\u5230\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>shape<\/code> \u544a\u8bc9\u4f60\u539f\u6765\u662f <code>(6,)<\/code><\/li>\n\n\n\n<li><code>reshape<\/code> \u628a\u5b83\u6539\u6210 <code>(2, 3)<\/code><\/li>\n\n\n\n<li>\u518d\u7528 <code>shape<\/code> \u770b\uff0c\u5c31\u53d8\u6210 <code>(2, 3)<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><code>shape<\/code> \u4e3a\u4ec0\u4e48\u4e0d\u52a0\u62ec\u53f7\uff0c<code>reshape<\/code> \u4e3a\u4ec0\u4e48\u8981\u52a0\u62ec\u53f7<\/h2>\n\n\n\n<p>\u8fd9\u4e5f\u662f\u521d\u5b66\u8005\u7279\u522b\u5bb9\u6613\u6df7\u6dc6\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>shape<\/code> \u662f\u5c5e\u6027<\/h3>\n\n\n\n<p>\u5199\u6cd5\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.shape\n<\/code><\/pre>\n\n\n\n<p>\u5b83\u50cf\u662f\u5728\u8bfb\u53d6\u201c\u8fd9\u4e2a\u5bf9\u8c61\u7684\u67d0\u4e2a\u4fe1\u606f\u201d\u3002<\/p>\n\n\n\n<p>\u5c31\u50cf\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>student.name\nstudent.age\n<\/code><\/pre>\n\n\n\n<p><code>shape<\/code> \u662f\u6570\u7ec4\u81ea\u5e26\u7684\u4e00\u4e2a\u5c5e\u6027\uff0c\u8868\u793a\u5b83\u5f53\u524d\u7684\u5f62\u72b6\uff0c\u6240\u4ee5\u4e0d\u7528\u52a0\u62ec\u53f7\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><code>reshape<\/code> \u662f\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u5199\u6cd5\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.reshape(2, 3)\n<\/code><\/pre>\n\n\n\n<p>\u56e0\u4e3a\u5b83\u662f\u4e00\u4e2a\u52a8\u4f5c\uff0c\u8981\u544a\u8bc9\u5b83\u201c\u6539\u6210\u4ec0\u4e48\u5f62\u72b6\u201d\uff0c\u6240\u4ee5\u8981\u4f20\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u5b83\u9700\u8981\u62ec\u53f7\u3002<\/p>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u8fd9\u6837\u8bb0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>shape<\/code>\uff1a\u50cf\u201c\u4fe1\u606f\u201d<\/li>\n\n\n\n<li><code>reshape<\/code>\uff1a\u50cf\u201c\u52a8\u4f5c\u201d<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ece\u6267\u884c\u8fc7\u7a0b\u6765\u770b\uff0c\u4e8c\u8005\u6709\u4ec0\u4e48\u4e0d\u540c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><code>shape<\/code> \u7684\u6267\u884c\u8fc7\u7a0b<\/h3>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a = numpy.array(&#91;&#91;1, 2, 3],\n                 &#91;4, 5, 6]])\nprint(a.shape)\n<\/code><\/pre>\n\n\n\n<p>\u7a0b\u5e8f\u5e76\u6ca1\u6709\u6539\u52a8\u6570\u7ec4\uff0c\u53ea\u662f\u5728\u8bfb\u53d6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6709\u51e0\u884c<\/li>\n\n\n\n<li>\u6709\u51e0\u5217<\/li>\n<\/ul>\n\n\n\n<p>\u6700\u540e\u8fd4\u56de\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(2, 3)\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><code>reshape<\/code> \u7684\u6267\u884c\u8fc7\u7a0b<\/h3>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a = numpy.array(&#91;1, 2, 3, 4, 5, 6])\nb = a.reshape(2, 3)\n<\/code><\/pre>\n\n\n\n<p>\u7a0b\u5e8f\u4f1a\u505a\u7684\u4e8b\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5148\u770b\u539f\u6570\u7ec4\u6709\u591a\u5c11\u4e2a\u5143\u7d20<\/li>\n\n\n\n<li>\u518d\u770b\u76ee\u6807\u5f62\u72b6 <code>(2, 3)<\/code> \u9700\u8981\u591a\u5c11\u4e2a\u4f4d\u7f6e<\/li>\n\n\n\n<li>\u5982\u679c\u6570\u91cf\u4e00\u81f4\uff0c\u5c31\u91cd\u65b0\u6392\u5217<\/li>\n\n\n\n<li>\u5982\u679c\u6570\u91cf\u4e0d\u4e00\u81f4\uff0c\u5c31\u62a5\u9519<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5 <code>reshape<\/code> \u662f\u771f\u6b63\u4f1a\u53c2\u4e0e\u201c\u53d8\u5f62\u201d\u7684\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u4e2a\u7279\u522b\u5bb9\u6613\u6df7\u6dc6\u7684\u5730\u65b9\uff1a<code>a.shape = (2, 3)<\/code> \u662f\u4ec0\u4e48<\/h2>\n\n\n\n<p>\u4f60\u6709\u65f6\u53ef\u80fd\u4f1a\u770b\u5230\u8fd9\u79cd\u5199\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.shape = (2, 3)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4e5f\u80fd\u6539\u5f62\u72b6\u3002<\/p>\n\n\n\n<p>\u4f46\u5bf9\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u4e0d\u5efa\u8bae\u628a\u8fd9\u4e2a\u5f53\u4e3b\u8981\u5199\u6cd5\u3002<\/p>\n\n\n\n<p>\u4f60\u73b0\u5728\u5148\u628a\u6807\u51c6\u3001\u6700\u597d\u7406\u89e3\u7684\u53e3\u5f84\u8bb0\u7262\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>a.shape<\/code>\uff1a\u67e5\u770b\u5f62\u72b6<\/li>\n\n\n\n<li><code>a.reshape(2, 3)<\/code>\uff1a\u4fee\u6539\u5f62\u72b6<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u6837\u6700\u7a33\u5b9a\uff0c\u4e5f\u6700\u4e0d\u5bb9\u6613\u6df7\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><code>shape<\/code> \u548c <code>reshape<\/code> \u653e\u5728\u4e00\u8d77\u770b<\/h2>\n\n\n\n<p>\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\u6700\u80fd\u770b\u51fa\u533a\u522b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3, 4, 5, 6])\n\nprint(\"\u539f\u6765\u7684\u6570\u7ec4\uff1a\", a)\nprint(\"\u539f\u6765\u7684\u5f62\u72b6\uff1a\", a.shape)\n\nb = a.reshape(2, 3)\n\nprint(\"\u53d8\u5f62\u540e\u7684\u6570\u7ec4\uff1a\")\nprint(b)\nprint(\"\u53d8\u5f62\u540e\u7684\u5f62\u72b6\uff1a\", b.shape)\n<\/code><\/pre>\n\n\n\n<p>\u4f60\u4f1a\u53d1\u73b0\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>shape<\/code> \u53ea\u662f\u6253\u5370\u4fe1\u606f<\/li>\n\n\n\n<li><code>reshape<\/code> \u624d\u662f\u628a\u4e00\u7ef4\u6539\u6210\u4e8c\u7ef4<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u679c <code>reshape<\/code> \u5931\u8d25\u4e86\uff0c<code>shape<\/code> \u8fd8\u80fd\u770b\u5417<\/h2>\n\n\n\n<p>\u5f53\u7136\u53ef\u4ee5\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3, 4, 5])\n\nprint(a.shape)\nprint(a.reshape(2, 3))\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>a.shape<\/code> \u4f1a\u5148\u6b63\u5e38\u8f93\u51fa <code>(5,)<\/code><\/li>\n\n\n\n<li>\u4f46 <code>reshape(2, 3)<\/code> \u4f1a\u62a5\u9519<\/li>\n<\/ul>\n\n\n\n<p>\u56e0\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>2 * 3 = 6\n<\/code><\/pre>\n\n\n\n<p>\u800c\u6570\u7ec4\u53ea\u6709 5 \u4e2a\u5143\u7d20\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e5f\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>shape<\/code> \u53ea\u662f\u8bfb\u53d6\u5f53\u524d\u72b6\u6001<\/li>\n\n\n\n<li><code>reshape<\/code> \u8981\u6ee1\u8db3\u4e25\u683c\u6761\u4ef6\u624d\u80fd\u6210\u529f<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><code>reshape<\/code> \u7684\u524d\u63d0\u6761\u4ef6\u662f\u4ec0\u4e48<\/h2>\n\n\n\n<p>\u8fd9\u4e2a\u4e00\u5b9a\u8981\u518d\u5f3a\u8c03\u4e00\u6b21\uff1a<\/p>\n\n\n\n<p><strong><code>reshape<\/code> \u524d\u540e\uff0c\u5143\u7d20\u603b\u6570\u5fc5\u987b\u4e00\u81f4\u3002<\/strong><\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u53ef\u4ee5<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>a = numpy.array(&#91;1, 2, 3, 4, 5, 6])\na.reshape(2, 3)\n<\/code><\/pre>\n\n\n\n<p>\u56e0\u4e3a <code>2 * 3 = 6<\/code><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0d\u53ef\u4ee5<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>a = numpy.array(&#91;1, 2, 3, 4, 5, 6])\na.reshape(4, 2)\n<\/code><\/pre>\n\n\n\n<p>\u56e0\u4e3a <code>4 * 2 = 8<\/code>\uff0c\u548c\u539f\u6765\u7684 6 \u4e0d\u4e00\u81f4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f60\u53ef\u4ee5\u600e\u6837\u5b9e\u9645\u5224\u65ad\u8be5\u7528\u54ea\u4e2a<\/h2>\n\n\n\n<p>\u9047\u5230\u9898\u76ee\u65f6\uff0c\u53ef\u4ee5\u8fd9\u6837\u5224\u65ad\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5982\u679c\u9898\u76ee\u5728\u95ee\u201c\u8fd9\u4e2a\u6570\u7ec4\u73b0\u5728\u662f\u4ec0\u4e48\u5f62\u72b6\u201d<\/h3>\n\n\n\n<p>\u4f60\u5c31\u5e94\u8be5\u60f3\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.shape\n<\/code><\/pre>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b83\u662f\u51e0\u884c\u51e0\u5217<\/li>\n\n\n\n<li>\u5b83\u662f\u4e00\u7ef4\u8fd8\u662f\u4e8c\u7ef4<\/li>\n\n\n\n<li>\u5b83\u5f53\u524d\u5c3a\u5bf8\u662f\u591a\u5c11<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u90fd\u5c5e\u4e8e\u201c\u770b\u5f62\u72b6\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u5982\u679c\u9898\u76ee\u5728\u8981\u6c42\u201c\u628a\u6570\u7ec4\u53d8\u6210\u67d0\u79cd\u5f62\u72b6\u201d<\/h3>\n\n\n\n<p>\u4f60\u5c31\u5e94\u8be5\u60f3\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.reshape(...)\n<\/code><\/pre>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53d8\u6210 <code>3 x 3<\/code><\/li>\n\n\n\n<li>\u53d8\u6210 <code>2 x 4<\/code><\/li>\n\n\n\n<li>\u53d8\u6210\u4e00\u5217<\/li>\n\n\n\n<li>\u53d8\u6210\u4e00\u884c<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u90fd\u5c5e\u4e8e\u201c\u6539\u5f62\u72b6\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5c0f\u53ef\u8fd0\u884c\u5bf9\u6bd4\u4f8b\u5b50<\/h2>\n\n\n\n<p>\u4e0b\u9762\u8fd9\u4e2a\u4f8b\u5b50\u975e\u5e38\u9002\u5408\u4f60\u81ea\u5df1\u8dd1\u4e00\u904d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3, 4, 5, 6])\n\nprint(\"a =\", a)\nprint(\"a.shape =\", a.shape)\n\nb = a.reshape(3, 2)\nprint(\"b =\")\nprint(b)\nprint(\"b.shape =\", b.shape)\n<\/code><\/pre>\n\n\n\n<p>\u4f60\u8fd0\u884c\u540e\u4f1a\u5f88\u76f4\u89c2\u5730\u770b\u5230\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>a.shape<\/code> \u662f <code>(6,)<\/code><\/li>\n\n\n\n<li><code>b.shape<\/code> \u662f <code>(3, 2)<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>shape<\/code> \u662f\u7ed3\u679c\u4fe1\u606f<\/li>\n\n\n\n<li><code>reshape<\/code> \u662f\u53d8\u5f62\u8fc7\u7a0b<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u9519\u8bef\u4e0e\u6613\u6df7\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u628a <code>shape<\/code> \u548c <code>reshape<\/code> \u5f53\u6210\u540c\u4e00\u79cd\u4e1c\u897f<\/h3>\n\n\n\n<p>\u4e0d\u662f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>shape<\/code> \u662f\u201c\u5f62\u72b6\u4fe1\u606f\u201d<\/li>\n\n\n\n<li><code>reshape<\/code> \u662f\u201c\u6539\u53d8\u5f62\u72b6\u7684\u65b9\u6cd5\u201d<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5199\u6210 <code>a.shape()<\/code><\/h3>\n\n\n\n<p>\u8fd9\u662f\u9519\u7684\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a <code>shape<\/code> \u4e0d\u662f\u51fd\u6570\uff0c\u4e0d\u9700\u8981\u62ec\u53f7\u3002<\/p>\n\n\n\n<p>\u6b63\u786e\u5199\u6cd5\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.shape\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u5199\u6210 <code>a.reshape<\/code> \u5374\u4e0d\u7ed9\u53c2\u6570<\/h3>\n\n\n\n<p>\u8fd9\u4e5f\u4e0d\u884c\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a <code>reshape<\/code> \u8981\u77e5\u9053\u4f60\u60f3\u6539\u6210\u4ec0\u4e48\u5f62\u72b6\u3002<\/p>\n\n\n\n<p>\u6b63\u786e\u5199\u6cd5\u5e94\u8be5\u50cf\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.reshape(2, 3)\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u5fd8\u8bb0\u68c0\u67e5\u5143\u7d20\u4e2a\u6570\u662f\u5426\u5339\u914d<\/h3>\n\n\n\n<p>\u8fd9\u662f <code>reshape<\/code> \u6700\u5e38\u89c1\u9519\u8bef\u3002<\/p>\n\n\n\n<p>\u53ea\u8981\u603b\u6570\u5bf9\u4e0d\u4e0a\uff0c\u5c31\u4e00\u5b9a\u4f1a\u62a5\u9519\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u672c\u8282\u5c0f\u7ed3<\/h2>\n\n\n\n<p>\u53ef\u4ee5\u628a\u4eca\u5929\u8fd9\u4e00\u8282\u538b\u7f29\u6210\u4e0b\u9762 4 \u53e5\u8bdd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u53e5<\/h3>\n\n\n\n<p><code>shape<\/code> \u662f\u770b\u5f53\u524d\u5f62\u72b6\u7684\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.shape\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u53e5<\/h3>\n\n\n\n<p><code>reshape<\/code> \u662f\u6539\u76ee\u6807\u5f62\u72b6\u7684\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.reshape(2, 3)\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u53e5<\/h3>\n\n\n\n<p><code>shape<\/code> \u662f\u5c5e\u6027\uff0c\u4e0d\u52a0\u62ec\u53f7\u3002<br><code>reshape<\/code> \u662f\u65b9\u6cd5\uff0c\u8981\u52a0\u62ec\u53f7\u5e76\u4f20\u53c2\u6570\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u56db\u53e5<\/h3>\n\n\n\n<p><code>reshape<\/code> \u53ea\u6709\u5728\u5143\u7d20\u603b\u6570\u5b8c\u5168\u5339\u914d\u65f6\u624d\u80fd\u6210\u529f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec3\u4e60<\/h2>\n\n\n\n<p>\u8bf7\u4f60\u81ea\u5df1\u5224\u65ad\u4e0b\u9762\u6bcf\u4e00\u6b65\u7684\u7ed3\u679c\uff0c\u4e0d\u8981\u5148\u8fd0\u884c\uff0c\u5148\u81ea\u5df1\u60f3\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3, 4, 5, 6, 7, 8])\nprint(a.shape)\n\nb = a.reshape(2, 4)\nprint(b)\nprint(b.shape)\n<\/code><\/pre>\n\n\n\n<p>\u518d\u60f3\u4e00\u60f3\uff0c\u4e0b\u9762\u8fd9\u53e5\u4e3a\u4ec0\u4e48\u4f1a\u62a5\u9519\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.reshape(3, 3)\n<\/code><\/pre>\n\n\n\n<p>\u63d0\u793a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5148\u770b <code>a<\/code> \u4e00\u5171\u6709\u51e0\u4e2a\u5143\u7d20<\/li>\n\n\n\n<li>\u518d\u770b <code>(2, 4)<\/code> \u548c <code>(3, 3)<\/code> \u5206\u522b\u9700\u8981\u591a\u5c11\u4e2a\u4f4d\u7f6e<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">NumPy \u4e00\u7ef4\u6570\u7ec4\u3001\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5230\u5e95\u8be5\u600e\u4e48\u4ece <code>shape<\/code> \u4e0a\u5224\u65ad\u51fa\u6765<\/h2>\n\n\n\n<p>\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u3001\u4e5f\u975e\u5e38\u5bb9\u6613\u6df7\u6dc6\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u5f88\u591a\u521d\u5b66\u8005\u770b\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.shape\n<\/code><\/pre>\n\n\n\n<p>\u8fd4\u56de\u4e00\u4e2a\u7ed3\u679c\u540e\uff0c\u5f80\u5f80\u53ea\u4f1a\u673a\u68b0\u5730\u8bfb\u6570\u5b57\uff0c\u4f46\u4e0d\u77e5\u9053\u8fd9\u4e2a\u7ed3\u679c\u5230\u5e95\u8bf4\u660e\u4e86\u4ec0\u4e48\u3002<\/p>\n\n\n\n<p>\u5176\u5b9e\u5224\u65ad\u65b9\u6cd5\u53ef\u4ee5\u5148\u8bb0\u4e00\u53e5\u6700\u6838\u5fc3\u7684\u8bdd\uff1a<\/p>\n\n\n\n<p><strong>\u770b <code>shape<\/code> \u8fd9\u4e2a\u5143\u7ec4\u91cc\u6709\u51e0\u4e2a\u6570\u5b57\uff0c\u5c31\u5927\u81f4\u80fd\u5224\u65ad\u5b83\u662f\u51e0\u7ef4\u6570\u7ec4\u3002<\/strong><\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>shape<\/code> \u91cc\u6709 1 \u4e2a\u6570\u5b57\uff0c\u901a\u5e38\u5c31\u662f\u4e00\u7ef4\u6570\u7ec4<\/li>\n\n\n\n<li><code>shape<\/code> \u91cc\u6709 2 \u4e2a\u6570\u5b57\uff0c\u901a\u5e38\u5c31\u662f\u4e8c\u7ef4\u6570\u7ec4<\/li>\n\n\n\n<li><code>shape<\/code> \u91cc\u6709 3 \u4e2a\u6570\u5b57\uff0c\u901a\u5e38\u5c31\u662f\u4e09\u7ef4\u6570\u7ec4<\/li>\n<\/ul>\n\n\n\n<p>\u4e0b\u9762\u6211\u4eec\u4e13\u95e8\u628a\u201c\u4e00\u7ef4\u201d\u548c\u201c\u4e8c\u7ef4\u201d\u8bb2\u900f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5148\u56de\u987e\uff1a<code>shape<\/code> \u5230\u5e95\u8868\u793a\u4ec0\u4e48<\/h2>\n\n\n\n<p><code>shape<\/code> \u8868\u793a\u7684\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u6570\u7ec4\u5728\u6bcf\u4e00\u4e2a\u7ef4\u5ea6\u4e0a\u5206\u522b\u6709\u591a\u957f\u3002<\/strong><\/p>\n\n\n\n<p>\u5b83\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u5143\u7ec4 <code>tuple<\/code>\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;10, 20, 30, 40])\nprint(a.shape)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(4,)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a <code>(4,)<\/code> \u7684\u610f\u601d\u4e0d\u662f\u201c4 \u884c 0 \u5217\u201d\uff0c\u4e5f\u4e0d\u662f\u201c4&#215;1\u201d\u3002<\/p>\n\n\n\n<p>\u5b83\u771f\u6b63\u8868\u793a\u7684\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u8fd9\u4e2a\u6570\u7ec4\u53ea\u6709 1 \u4e2a\u7ef4\u5ea6\uff0c\u8fd9\u4e2a\u7ef4\u5ea6\u957f\u5ea6\u662f 4\u3002<\/strong><\/p>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u662f\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u600e\u4e48\u4ece <code>shape<\/code> \u5224\u65ad\u662f\u4e0d\u662f\u4e00\u7ef4\u6570\u7ec4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u7ef4\u6570\u7ec4\u7684\u7279\u5f81<\/h3>\n\n\n\n<p>\u5982\u679c <code>shape<\/code> \u957f\u8fd9\u6837\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(5,)\n(10,)\n(3,)\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ea\u6709\u4e00\u4e2a\u6570\u5b57<\/li>\n\n\n\n<li>\u540e\u9762\u901a\u5e38\u5e26\u4e00\u4e2a\u9017\u53f7<\/li>\n<\/ul>\n\n\n\n<p>\u90a3\u4e48\u5b83\u5c31\u662f<strong>\u4e00\u7ef4\u6570\u7ec4<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f8b\u5b50<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3, 4, 5])\nprint(a)\nprint(a.shape)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;1 2 3 4 5]\n(5,)\n<\/code><\/pre>\n\n\n\n<p>\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u7ec4\u91cc\u6709 5 \u4e2a\u5143\u7d20<\/li>\n\n\n\n<li>\u5b83\u53ea\u6709\u4e00\u4e2a\u65b9\u5411\u4e0a\u7684\u957f\u5ea6<\/li>\n\n\n\n<li>\u6240\u4ee5\u5b83\u662f\u4e00\u7ef4\u6570\u7ec4<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48 <code>(5,)<\/code> \u662f\u4e00\u7ef4\uff0c\u800c\u4e0d\u662f\u4e8c\u7ef4<\/h2>\n\n\n\n<p>\u8fd9\u662f\u521d\u5b66\u8005\u975e\u5e38\u5bb9\u6613\u8bef\u89e3\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<p>\u5f88\u591a\u4eba\u770b\u5230 <code>(5,)<\/code>\uff0c\u4f1a\u4e0b\u610f\u8bc6\u89c9\u5f97\uff1a<\/p>\n\n\n\n<p>\u201c\u662f\u4e0d\u662f 5 \u884c 1 \u5217\uff1f\u201d<\/p>\n\n\n\n<p>\u4e0d\u662f\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\u5982\u679c\u662f\u4e8c\u7ef4\u6570\u7ec4\uff0c<code>shape<\/code> \u5fc5\u987b\u6709\u4e24\u4e2a\u6570\u5b57\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(5, 1)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u624d\u8868\u793a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>5 \u884c<\/li>\n\n\n\n<li>1 \u5217<\/li>\n<\/ul>\n\n\n\n<p>\u800c <code>(5,)<\/code> \u53ea\u6709\u4e00\u4e2a\u6570\u5b57\uff0c\u6240\u4ee5\u5b83\u53ea\u662f\u201c\u4e00\u7ef4\u957f\u5ea6\u4e3a 5\u201d\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>(5,)<\/code><\/h3>\n\n\n\n<p>\u8868\u793a\uff1a<\/p>\n\n\n\n<p><strong>\u4e00\u7ef4\u6570\u7ec4\uff0c\u957f\u5ea6\u662f 5<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>(5, 1)<\/code><\/h3>\n\n\n\n<p>\u8868\u793a\uff1a<\/p>\n\n\n\n<p><strong>\u4e8c\u7ef4\u6570\u7ec4\uff0c5 \u884c 1 \u5217<\/strong><\/p>\n\n\n\n<p>\u8fd9\u4e24\u4e2a\u5b8c\u5168\u4e0d\u662f\u4e00\u56de\u4e8b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u600e\u4e48\u4ece <code>shape<\/code> \u5224\u65ad\u662f\u4e0d\u662f\u4e8c\u7ef4\u6570\u7ec4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u7ef4\u6570\u7ec4\u7684\u7279\u5f81<\/h3>\n\n\n\n<p>\u5982\u679c <code>shape<\/code> \u957f\u8fd9\u6837\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(2, 3)\n(4, 5)\n(3, 1)\n(1, 6)\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6709\u4e24\u4e2a\u6570\u5b57<\/li>\n\n\n\n<li>\u7b2c\u4e00\u4e2a\u6570\u5b57\u8868\u793a\u884c\u6570<\/li>\n\n\n\n<li>\u7b2c\u4e8c\u4e2a\u6570\u5b57\u8868\u793a\u5217\u6570<\/li>\n<\/ul>\n\n\n\n<p>\u90a3\u4e48\u5b83\u5c31\u662f<strong>\u4e8c\u7ef4\u6570\u7ec4<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f8b\u5b50<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;&#91;1, 2, 3],\n                 &#91;4, 5, 6]])\nprint(a)\nprint(a.shape)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;1 2 3]\n &#91;4 5 6]]\n(2, 3)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a <code>(2, 3)<\/code> \u8868\u793a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2 \u884c<\/li>\n\n\n\n<li>3 \u5217<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u662f\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7528\u6700\u76f4\u767d\u7684\u5224\u65ad\u89c4\u5219\u6765\u8bb0<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u5148\u8fd9\u6837\u8bb0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>shape<\/code> \u662f <code>(n,)<\/code><\/h3>\n\n\n\n<p>\u90a3\u5c31\u662f\u4e00\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>(3,)<\/code><\/li>\n\n\n\n<li><code>(8,)<\/code><\/li>\n\n\n\n<li><code>(100,)<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><code>shape<\/code> \u662f <code>(\u884c\u6570, \u5217\u6570)<\/code><\/h3>\n\n\n\n<p>\u90a3\u5c31\u662f\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>(2, 3)<\/code><\/li>\n\n\n\n<li><code>(3, 2)<\/code><\/li>\n\n\n\n<li><code>(1, 5)<\/code><\/li>\n\n\n\n<li><code>(5, 1)<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u201c\u4e00\u7ef4\u6570\u7ec4\u201d\u548c\u201c\u53ea\u6709\u4e00\u884c\u7684\u4e8c\u7ef4\u6570\u7ec4\u201d\u4e0d\u662f\u540c\u4e00\u4e2a\u4e1c\u897f<\/h2>\n\n\n\n<p>\u8fd9\u4e2a\u5730\u65b9\u7279\u522b\u5173\u952e\u3002<\/p>\n\n\n\n<p>\u770b\u4e0b\u9762\u4e24\u4e2a\u6570\u7ec4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u79cd\uff1a\u4e00\u7ef4\u6570\u7ec4<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>a = numpy.array(&#91;1, 2, 3])\nprint(a.shape)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(3,)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u662f<strong>\u4e00\u7ef4\u6570\u7ec4<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u79cd\uff1a\u4e8c\u7ef4\u6570\u7ec4\uff0c1 \u884c 3 \u5217<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>b = numpy.array(&#91;&#91;1, 2, 3]])\nprint(b.shape)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(1, 3)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u662f<strong>\u4e8c\u7ef4\u6570\u7ec4<\/strong>\u3002<\/p>\n\n\n\n<p>\u867d\u7136\u5b83\u770b\u8d77\u6765\u4e5f\u50cf\u201c\u6a2a\u7740\u6392\u4e86 3 \u4e2a\u6570\u201d\uff0c\u4f46\u672c\u8d28\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\u4e0d\u540c\uff1f<\/p>\n\n\n\n<p>\u56e0\u4e3a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>a<\/code> \u53ea\u6709\u4e00\u4e2a\u7ef4\u5ea6<\/li>\n\n\n\n<li><code>b<\/code> \u6709\u4e24\u4e2a\u7ef4\u5ea6\uff1a\u7b2c\u4e00\u4e2a\u7ef4\u5ea6\u662f\u884c\uff0c\u7b2c\u4e8c\u4e2a\u7ef4\u5ea6\u662f\u5217<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u5b83\u4eec\u4e0d\u662f\u4e00\u56de\u4e8b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u518d\u770b\u4e00\u4e2a\u66f4\u5bb9\u6613\u6df7\u7684\u4f8b\u5b50\uff1a\u5217\u5411\u91cf<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\nc = numpy.array(&#91;&#91;1],\n                 &#91;2],\n                 &#91;3]])\nprint(c.shape)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(3, 1)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u8868\u793a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3 \u884c<\/li>\n\n\n\n<li>1 \u5217<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e5f\u662f<strong>\u4e8c\u7ef4\u6570\u7ec4<\/strong>\uff0c\u4e0d\u662f\u4e00\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u4f60\u73b0\u5728\u8981\u80fd\u6e05\u695a\u5730\u533a\u5206\u8fd9\u4e09\u79cd\u60c5\u51b5\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u7ef4\u6570\u7ec4<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.array(&#91;1, 2, 3])\n<\/code><\/pre>\n\n\n\n<p><code>shape<\/code> \u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(3,)\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u7ef4\u6570\u7ec4\uff0c1 \u884c 3 \u5217<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.array(&#91;&#91;1, 2, 3]])\n<\/code><\/pre>\n\n\n\n<p><code>shape<\/code> \u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(1, 3)\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u7ef4\u6570\u7ec4\uff0c3 \u884c 1 \u5217<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.array(&#91;&#91;1], &#91;2], &#91;3]])\n<\/code><\/pre>\n\n\n\n<p><code>shape<\/code> \u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(3, 1)\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ece <code>shape<\/code> \u770b\u201c\u6709\u51e0\u4e2a\u7ef4\u5ea6\u201d\uff0c\u672c\u8d28\u770b\u4ec0\u4e48<\/h2>\n\n\n\n<p>\u672c\u8d28\u4e0a\uff0c\u770b\u7684\u662f\uff1a<\/p>\n\n\n\n<p><strong><code>shape<\/code> \u8fd9\u4e2a\u5143\u7ec4\u91cc\u6709\u51e0\u4e2a\u6570\u5b57\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u4e2a\u6570\u5b57<\/h3>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(4,)\n<\/code><\/pre>\n\n\n\n<p>\u8bf4\u660e\u53ea\u6709\u4e00\u4e2a\u7ef4\u5ea6\uff0c\u6240\u4ee5\u662f\u4e00\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e24\u4e2a\u6570\u5b57<\/h3>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(2, 3)\n<\/code><\/pre>\n\n\n\n<p>\u8bf4\u660e\u6709\u4e24\u4e2a\u7ef4\u5ea6\uff0c\u6240\u4ee5\u662f\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e09\u4e2a\u6570\u5b57<\/h3>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(2, 3, 4)\n<\/code><\/pre>\n\n\n\n<p>\u8bf4\u660e\u6709\u4e09\u4e2a\u7ef4\u5ea6\uff0c\u6240\u4ee5\u662f\u4e09\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u4f60\u73b0\u5728\u4e3b\u8981\u5b66\u4e00\u7ef4\u548c\u4e8c\u7ef4\uff0c\u6240\u4ee5\u5148\u628a\u524d\u4e24\u4e2a\u5206\u6e05\u695a\u6700\u91cd\u8981\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u628a\u201c\u4e00\u7ef4\u201d\u548c\u201c\u4e8c\u7ef4\u201d\u653e\u5728\u4e00\u8d77\u5bf9\u6bd4<\/h2>\n\n\n\n<p>\u4e0b\u9762\u8fd9\u7ec4\u5bf9\u6bd4\u975e\u5e38\u91cd\u8981\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6570\u7ec4\u5199\u6cd5<\/th><th><code>shape<\/code><\/th><th>\u51e0\u7ef4<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td><code>numpy.array([1, 2, 3])<\/code><\/td><td><code>(3,)<\/code><\/td><td>\u4e00\u7ef4<\/td><td>\u53ea\u6709\u4e00\u4e2a\u65b9\u5411\uff0c\u957f\u5ea6\u4e3a 3<\/td><\/tr><tr><td><code>numpy.array([[1, 2, 3]])<\/code><\/td><td><code>(1, 3)<\/code><\/td><td>\u4e8c\u7ef4<\/td><td>1 \u884c 3 \u5217<\/td><\/tr><tr><td><code>numpy.array([[1], [2], [3]])<\/code><\/td><td><code>(3, 1)<\/code><\/td><td>\u4e8c\u7ef4<\/td><td>3 \u884c 1 \u5217<\/td><\/tr><tr><td><code>numpy.array([[1, 2], [3, 4]])<\/code><\/td><td><code>(2, 2)<\/code><\/td><td>\u4e8c\u7ef4<\/td><td>2 \u884c 2 \u5217<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u8868\u4f60\u6700\u597d\u591a\u770b\u51e0\u904d\uff0c\u56e0\u4e3a\u5b83\u80fd\u89e3\u51b3\u5f88\u591a\u521d\u5b66\u9636\u6bb5\u7684\u6df7\u4e71\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ece\u201c\u5217\u8868\u5199\u6cd5\u201d\u4e5f\u80fd\u8f85\u52a9\u5224\u65ad<\/h2>\n\n\n\n<p>\u867d\u7136\u4f60\u8fd9\u6b21\u95ee\u7684\u662f\u201c\u600e\u4e48\u4ece <code>shape<\/code> \u5224\u65ad\u201d\uff0c\u4f46\u6211\u8fd8\u662f\u987a\u624b\u8865\u4e00\u53e5\uff0c\u56e0\u4e3a\u8fd9\u4e24\u8005\u7ecf\u5e38\u4e00\u8d77\u770b\u66f4\u5bb9\u6613\u61c2\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u7ef4\u6570\u7ec4\u5e38\u89c1\u5199\u6cd5<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.array(&#91;1, 2, 3, 4])\n<\/code><\/pre>\n\n\n\n<p>\u91cc\u9762\u53ea\u6709\u4e00\u5c42\u65b9\u62ec\u53f7\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u7ef4\u6570\u7ec4\u5e38\u89c1\u5199\u6cd5<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.array(&#91;&#91;1, 2, 3],\n             &#91;4, 5, 6]])\n<\/code><\/pre>\n\n\n\n<p>\u91cc\u9762\u662f\u201c\u5217\u8868\u5957\u5217\u8868\u201d\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5916\u5c42\u8868\u793a\u6574\u4f53<\/li>\n\n\n\n<li>\u91cc\u9762\u6bcf\u4e2a\u5c0f\u5217\u8868\u901a\u5e38\u8868\u793a\u4e00\u884c<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u901a\u5e38\u5c31\u4f1a\u53d8\u6210\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u4e0d\u8fc7\u771f\u6b63\u6700\u7a33\u7684\u5224\u65ad\u65b9\u5f0f\uff0c\u8fd8\u662f\u770b <code>shape<\/code>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5c0f\u53ef\u8fd0\u884c\u4f8b\u5b50<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u76f4\u63a5\u8fd0\u884c\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\uff0c\u770b\u5b83\u4eec\u7684 <code>shape<\/code> \u6709\u4ec0\u4e48\u4e0d\u540c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;1, 2, 3])\nb = numpy.array(&#91;&#91;1, 2, 3]])\nc = numpy.array(&#91;&#91;1], &#91;2], &#91;3]])\nd = numpy.array(&#91;&#91;1, 2], &#91;3, 4]])\n\nprint(\"a.shape =\", a.shape)\nprint(\"b.shape =\", b.shape)\nprint(\"c.shape =\", c.shape)\nprint(\"d.shape =\", d.shape)\n<\/code><\/pre>\n\n\n\n<p>\u4f60\u4f1a\u770b\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a.shape = (3,)\nb.shape = (1, 3)\nc.shape = (3, 1)\nd.shape = (2, 2)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u7ec4\u4f8b\u5b50\u975e\u5e38\u6709\u4ee3\u8868\u6027\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ece\u601d\u8def\u5230\u5224\u65ad\uff0c\u5b9e\u9645\u8be5\u600e\u4e48\u505a<\/h2>\n\n\n\n<p>\u4ee5\u540e\u4f60\u62ff\u5230\u4e00\u4e2a <code>shape<\/code>\uff0c\u53ef\u4ee5\u6309\u4e0b\u9762\u7684\u987a\u5e8f\u5224\u65ad\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u5148\u770b\u6709\u51e0\u4e2a\u6570\u5b57<\/h3>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>(5,)<\/code> \u91cc\u9762\u6709 1 \u4e2a\u6570\u5b57<\/li>\n\n\n\n<li><code>(2, 3)<\/code> \u91cc\u9762\u6709 2 \u4e2a\u6570\u5b57<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e00\u6b65\u5c31\u662f\u5728\u5224\u65ad\u6709\u51e0\u4e2a\u7ef4\u5ea6\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a\u5982\u679c\u662f\u4e00\u4e2a\u6570\u5b57\uff0c\u5c31\u662f\u4e00\u7ef4<\/h3>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(8,)\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u4e00\u7ef4\u6570\u7ec4\uff0c\u957f\u5ea6\u662f 8\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u6b65\uff1a\u5982\u679c\u662f\u4e24\u4e2a\u6570\u5b57\uff0c\u5c31\u662f\u4e8c\u7ef4<\/h3>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(3, 4)\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u4e8c\u7ef4\u6570\u7ec4\uff0c3 \u884c 4 \u5217\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u56db\u6b65\uff1a\u4e0d\u8981\u628a <code>(n,)<\/code> \u770b\u6210 <code>(n, 1)<\/code><\/h3>\n\n\n\n<p>\u8fd9\u662f\u975e\u5e38\u5e38\u89c1\u7684\u8bef\u5224\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>(3,)<\/code> \u662f\u4e00\u7ef4<\/li>\n\n\n\n<li><code>(3, 1)<\/code> \u662f\u4e8c\u7ef4<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e24\u4e2a\u5dee\u522b\u5f88\u5927\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u9519\u8bef\u4e0e\u6613\u6df7\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u770b\u5230 <code>(3,)<\/code> \u5c31\u4ee5\u4e3a\u662f 3 \u884c 1 \u5217<\/h3>\n\n\n\n<p>\u9519\u3002<\/p>\n\n\n\n<p><code>(3,)<\/code> \u53ea\u6709\u4e00\u4e2a\u7ef4\u5ea6\uff0c\u6240\u4ee5\u662f\u4e00\u7ef4\u6570\u7ec4\uff0c\u4e0d\u662f\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u89c9\u5f97 <code>[1, 2, 3]<\/code> \u548c <code>[[1, 2, 3]]<\/code> \u5dee\u4e0d\u591a<\/h3>\n\n\n\n<p>\u8868\u9762\u770b\u5f88\u50cf\uff0c\u5b9e\u9645\u4e0d\u4e00\u6837\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>[1, 2, 3]<\/code> \u5bf9\u5e94\u4e00\u7ef4\u6570\u7ec4<\/li>\n\n\n\n<li><code>[[1, 2, 3]]<\/code> \u5bf9\u5e94\u4e8c\u7ef4\u6570\u7ec4<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u8ba4\u4e3a\u201c\u53ea\u6709\u4e00\u884c\u201d\u5c31\u4e0d\u7b97\u4e8c\u7ef4<\/h3>\n\n\n\n<p>\u9519\u3002<\/p>\n\n\n\n<p>\u53ea\u8981 <code>shape<\/code> \u91cc\u6709\u4e24\u4e2a\u6570\u5b57\uff0c\u5b83\u5c31\u662f\u4e8c\u7ef4\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(1, 3)\n<\/code><\/pre>\n\n\n\n<p>\u867d\u7136\u53ea\u6709\u4e00\u884c\uff0c\u4f46\u4ecd\u7136\u662f\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u8ba4\u4e3a\u201c\u53ea\u6709\u4e00\u5217\u201d\u5c31\u4e0d\u7b97\u4e8c\u7ef4<\/h3>\n\n\n\n<p>\u4e5f\u9519\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(3, 1)\n<\/code><\/pre>\n\n\n\n<p>\u867d\u7136\u53ea\u6709\u4e00\u5217\uff0c\u4f46\u4ecd\u7136\u662f\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u672c\u8282\u5c0f\u7ed3<\/h2>\n\n\n\n<p>\u8fd9\u8282\u5185\u5bb9\u53ef\u4ee5\u538b\u7f29\u6210\u4e0b\u9762\u51e0\u53e5\u6700\u6838\u5fc3\u7684\u8bdd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6761<\/h3>\n\n\n\n<p>\u770b <code>shape<\/code> \u91cc\u6709\u51e0\u4e2a\u6570\u5b57\uff0c\u5c31\u80fd\u5927\u81f4\u5224\u65ad\u662f\u51e0\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6761<\/h3>\n\n\n\n<p><code>shape<\/code> \u662f <code>(n,)<\/code>\uff0c\u8bf4\u660e\u5b83\u662f\u4e00\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(5,)\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u4e00\u7ef4\uff0c\u957f\u5ea6\u662f 5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u6761<\/h3>\n\n\n\n<p><code>shape<\/code> \u662f <code>(\u884c\u6570, \u5217\u6570)<\/code>\uff0c\u8bf4\u660e\u5b83\u662f\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(2, 3)\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u4e8c\u7ef4\uff0c2 \u884c 3 \u5217\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u56db\u6761<\/h3>\n\n\n\n<p>\u4e00\u5b9a\u8981\u5206\u6e05\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>(3,)<\/code> \u662f\u4e00\u7ef4<\/li>\n\n\n\n<li><code>(1, 3)<\/code> \u662f\u4e8c\u7ef4<\/li>\n\n\n\n<li><code>(3, 1)<\/code> \u4e5f\u662f\u4e8c\u7ef4<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e09\u4e2a\u975e\u5e38\u5bb9\u6613\u6df7\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ec3\u4e60<\/h2>\n\n\n\n<p>\u8bf7\u4f60\u81ea\u5df1\u5224\u65ad\u4e0b\u9762\u6bcf\u4e2a\u6570\u7ec4\u662f\u4e00\u7ef4\u8fd8\u662f\u4e8c\u7ef4\uff0c\u5e76\u8bf4\u51fa\u5b83\u7684\u5f62\u72b6\u542b\u4e49\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy\n\na = numpy.array(&#91;10, 20, 30, 40])\nb = numpy.array(&#91;&#91;10, 20, 30, 40]])\nc = numpy.array(&#91;&#91;10], &#91;20], &#91;30], &#91;40]])\nd = numpy.array(&#91;&#91;1, 2], &#91;3, 4], &#91;5, 6]])\n<\/code><\/pre>\n\n\n\n<p>\u63d0\u793a\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5148\u5206\u522b\u770b\u5b83\u4eec\u7684 <code>shape<\/code><\/li>\n\n\n\n<li>\u6570\u4e00\u6570 <code>shape<\/code> \u91cc\u6709\u51e0\u4e2a\u6570\u5b57<\/li>\n\n\n\n<li>\u4e00\u4e2a\u6570\u5b57\u5c31\u662f\u4e00\u7ef4\uff0c\u4e24\u4e2a\u6570\u5b57\u5c31\u662f\u4e8c\u7ef4<\/li>\n\n\n\n<li>\u5982\u679c\u662f\u4e24\u4e2a\u6570\u5b57\uff0c\u5c31\u518d\u89e3\u91ca\u6210\u201c\u51e0\u884c\u51e0\u5217\u201d<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5148\u770b\u6574\u53e5\u4ee3\u7801\u5230\u5e95\u5728\u505a\u4ec0\u4e48 \u7b54\u6848\u662f\uff1a \u8fd9\u6bb5\u4ee3\u7801\u5176\u5b9e\u662f\u5728\u505a 3 \u4ef6\u4e8b\uff1a \u73b0\u5728\u5361\u4f4f\u7684\u4e24\u4e2a\u70b9\u5f88\u5178\u578b\uff1a \u4e0b\u9762\u628a\u8fd9\u4e24\u4e2a\u5730\u65b9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-2052","post","type-post","status-publish","format-standard","hentry","category-text"],"_links":{"self":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2052","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=2052"}],"version-history":[{"count":1,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2052\/revisions"}],"predecessor-version":[{"id":2054,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2052\/revisions\/2054"}],"wp:attachment":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=2052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=2052"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=2052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}