{"id":2064,"date":"2026-04-20T22:03:33","date_gmt":"2026-04-20T14:03:33","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=2064"},"modified":"2026-04-20T22:03:34","modified_gmt":"2026-04-20T14:03:34","slug":"dtypeint","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/04\/20\/dtypeint\/preluna\/text\/","title":{"rendered":"dtype=int"},"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\/dtypeint.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"809\" height=\"947\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/dtypeint.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2065\"  sizes=\"auto, (max-width: 809px) 100vw, 809px\" \/><\/div><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nN, M, P = map(int, input().split())\nprint(np.zeros((N, M, P), dtype=int))\nprint(np.ones((N, M, P), dtype=int))<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48 <code>numpy.zeros((N, M, P))<\/code> \u91cc\u9762\u8981\u5199\u201c\u53cc\u5c42\u62ec\u53f7\u201d<\/h2>\n\n\n\n<p>\u8fd9\u4e2a\u95ee\u9898\u672c\u8d28\u4e0a\u662f\u5728\u95ee\uff1a<\/p>\n\n\n\n<p><strong>\u4e3a\u4ec0\u4e48\u4e0d\u662f <code>numpy.zeros(N, M, P)<\/code>\uff0c\u800c\u662f <code>numpy.zeros((N, M, P))<\/code>\uff1f<\/strong><\/p>\n\n\n\n<p>\u5173\u952e\u539f\u56e0\u53ea\u6709\u4e00\u53e5\u8bdd\uff1a<\/p>\n\n\n\n<p><strong><code>zeros()<\/code> \u9700\u8981\u7684\u4e0d\u662f 3 \u4e2a\u5206\u5f00\u7684\u6570\u5b57\uff0c\u800c\u662f 1 \u4e2a\u201c\u5f62\u72b6 shape \u53c2\u6570\u201d\u3002\u8fd9\u4e2a shape \u53c2\u6570\u672c\u8eab\u8981\u5199\u6210\u4e00\u4e2a\u5143\u7ec4\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\">\u5148\u770b\u6700\u5916\u5c42\u62ec\u53f7\u548c\u91cc\u5c42\u62ec\u53f7\u5206\u522b\u5728\u5e72\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.zeros((N, M, P))\n<\/code><\/pre>\n\n\n\n<p>\u5176\u5b9e\u53ef\u4ee5\u62c6\u6210\u4e24\u5c42\u6765\u770b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u5c42\u62ec\u53f7\uff1a\u51fd\u6570\u8c03\u7528\u7684\u62ec\u53f7<\/h3>\n\n\n\n<p>\u6700\u5916\u9762\u8fd9\u4e00\u5c42\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>zeros(...)\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u201c\u8c03\u7528\u51fd\u6570\u201d\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u4f60\u5728\u8c03\u7528 <code>numpy.zeros<\/code> \u8fd9\u4e2a\u51fd\u6570\uff0c\u5e76\u628a\u67d0\u4e2a\u53c2\u6570\u4f20\u8fdb\u53bb\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\u5c42\u62ec\u53f7\uff1a\u5143\u7ec4 tuple \u7684\u62ec\u53f7<\/h3>\n\n\n\n<p>\u91cc\u9762\u8fd9\u4e00\u5c42\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(N, M, P)\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u4e00\u4e2a\u5143\u7ec4\uff0c\u4e5f\u5c31\u662f\u4e00\u4e2a\u201c\u5f62\u72b6\u8bf4\u660e\u201d\u3002<\/p>\n\n\n\n<p>\u5b83\u544a\u8bc9 NumPy\uff1a<\/p>\n\n\n\n<p>\u201c\u6211\u8981\u521b\u5efa\u4e00\u4e2a 3 \u7ef4\u6570\u7ec4\uff0c\u5b83\u7684\u5f62\u72b6\u662f <code>N x M x P<\/code>\u3002\u201d<\/p>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.zeros((N, M, P))\n<\/code><\/pre>\n\n\n\n<p>\u771f\u6b63\u7684\u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<p>\u201c\u8c03\u7528 <code>zeros<\/code> \u51fd\u6570\uff0c\u5e76\u628a <code>(N, M, P)<\/code> \u8fd9\u4e2a\u5f62\u72b6\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u4f20\u8fdb\u53bb\u3002\u201d<\/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\u4e0d\u80fd\u5199\u6210 <code>numpy.zeros(N, M, P)<\/code><\/h2>\n\n\n\n<p>\u56e0\u4e3a\u8fd9\u6837\u5199\u65f6\uff0cPython \u4f1a\u628a\u5b83\u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.zeros(\u7b2c1\u4e2a\u53c2\u6570, \u7b2c2\u4e2a\u53c2\u6570, \u7b2c3\u4e2a\u53c2\u6570)\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u4f60\u4f20\u4e86 3 \u4e2a\u72ec\u7acb\u53c2\u6570\u3002<\/p>\n\n\n\n<p>\u4f46 <code>numpy.zeros()<\/code> \u7684\u7b2c\u4e00\u4e2a\u6838\u5fc3\u53c2\u6570\u5e94\u8be5\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>shape\n<\/code><\/pre>\n\n\n\n<p>\u5b83\u5e0c\u671b\u62ff\u5230\u7684\u662f\u4e00\u4e2a\u6574\u4f53\u7684\u5f62\u72b6\uff0c\u800c\u4e0d\u662f 3 \u4e2a\u6563\u5f00\u7684\u6570\u5b57\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u4e8c\u7ef4\u3001\u4e09\u7ef4\u8fd9\u79cd\u60c5\u51b5\uff0c\u4e00\u822c\u90fd\u8981\u5199\u6210\u5143\u7ec4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.zeros((2, 3))\nnumpy.zeros((2, 3, 4))\nnumpy.ones((4, 5))\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\">\u90a3\u4e3a\u4ec0\u4e48\u4e00\u7ef4\u6570\u7ec4\u6709\u65f6\u5019\u4e0d\u7528\u53cc\u5c42\u62ec\u53f7<\/h2>\n\n\n\n<p>\u6bd4\u5982\u4f60\u4f1a\u770b\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.zeros(5)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e5f\u80fd\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\u4e00\u7ef4\u6570\u7ec4\u7684 shape \u53ef\u4ee5\u76f4\u63a5\u5199\u6210\u4e00\u4e2a\u6574\u6570 <code>5<\/code>\uff0c\u8868\u793a\u957f\u5ea6\u4e3a 5\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.zeros(5)\n<\/code><\/pre>\n\n\n\n<p>\u76f8\u5f53\u4e8e\u521b\u5efa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;0. 0. 0. 0. 0.]\n<\/code><\/pre>\n\n\n\n<p>\u4f46\u5982\u679c\u662f\u4e8c\u7ef4\u3001\u4e09\u7ef4\uff0c\u5c31\u5fc5\u987b\u628a\u5f62\u72b6\u6574\u4f53\u5199\u51fa\u6765\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.zeros((2, 3))\nnumpy.zeros((2, 3, 4))\n<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\u4f60\u53ef\u4ee5\u8fd9\u6837\u8bb0\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u7ef4<\/h3>\n\n\n\n<p>shape \u53ef\u4ee5\u76f4\u63a5\u5199\u4e00\u4e2a\u6570<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.zeros(5)\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e8c\u7ef4\u53ca\u4ee5\u4e0a<\/h3>\n\n\n\n<p>shape \u901a\u5e38\u5199\u6210\u5143\u7ec4<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.zeros((2, 3))\nnumpy.zeros((2, 3, 4))\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\">\u4f60\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u6210\u201c\u5730\u5740\u201d\u6216\u8005\u201c\u89c4\u683c\u8bf4\u660e\u201d<\/h2>\n\n\n\n<p>\u6bd4\u5982\u4f60\u53bb\u5b9a\u505a\u4e00\u4e2a\u76d2\u5b50\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u957f 2<\/li>\n\n\n\n<li>\u5bbd 3<\/li>\n\n\n\n<li>\u9ad8 4<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e09\u4e2a\u6570\u5b57\u5fc5\u987b\u4f5c\u4e3a\u201c\u4e00\u7ec4\u89c4\u683c\u201d\u4e00\u8d77\u4ea4\u7ed9\u5de5\u5382\u3002<\/p>\n\n\n\n<p>\u4e0d\u80fd\u4eca\u5929\u7ed9\u4e2a 2\uff0c\u660e\u5929\u7ed9\u4e2a 3\uff0c\u540e\u5929\u7ed9\u4e2a 4\u3002<\/p>\n\n\n\n<p>NumPy \u8fd9\u91cc\u4e5f\u662f\u4e00\u6837\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(2, 3, 4)\n<\/code><\/pre>\n\n\n\n<p>\u5c31\u662f\u8fd9\u4e00\u7ec4\u89c4\u683c\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>dtype=int<\/code> \u5230\u5e95\u662f\u4ec0\u4e48\u610f\u601d<\/h2>\n\n\n\n<p><code>dtype<\/code> \u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>data type\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5c31\u662f\u201c\u6570\u636e\u7c7b\u578b\u201d\u3002<\/p>\n\n\n\n<p>\u5b83\u662f\u5728\u544a\u8bc9 NumPy\uff1a<\/p>\n\n\n\n<p><strong>\u8fd9\u4e2a\u6570\u7ec4\u91cc\u7684\u5143\u7d20\uff0c\u8981\u7528\u4ec0\u4e48\u7c7b\u578b\u6765\u4fdd\u5b58\u3002<\/strong><\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>numpy.zeros((2, 2), dtype=int)\n<\/code><\/pre>\n\n\n\n<p>\u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<p>\u201c\u521b\u5efa\u4e00\u4e2a 2&#215;2 \u7684\u5168 0 \u6570\u7ec4\uff0c\u5e76\u4e14\u8fd9\u4e9b 0 \u8981\u6309\u6574\u6570\u7c7b\u578b\u5b58\u50a8\u3002\u201d<\/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\u4e0d\u5199 <code>dtype=int<\/code> \u65f6\u4f1a\u8f93\u51fa\u6d6e\u70b9\u6570<\/h2>\n\n\n\n<p>\u56e0\u4e3a <code>numpy.zeros()<\/code> \u548c <code>numpy.ones()<\/code> \u7684\u9ed8\u8ba4\u7c7b\u578b\u901a\u5e38\u662f\u6d6e\u70b9\u6570\uff0c\u4e5f\u5c31\u662f <code>float<\/code>\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nprint(np.zeros((2, 2)))\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\u4e00\u822c\u4f1a\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;0. 0.]\n &#91;0. 0.]]\n<\/code><\/pre>\n\n\n\n<p>\u4f60\u4f1a\u770b\u5230\u662f <code>0.<\/code>\uff0c\u4e0d\u662f <code>0<\/code>\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a <code>0.<\/code> \u8868\u793a\u5b83\u662f\u6d6e\u70b9\u6570\u3002<\/p>\n\n\n\n<p>\u540c\u7406\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>print(np.ones((2, 2)))\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\u4e00\u822c\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;1. 1.]\n &#91;1. 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\">\u52a0\u4e0a <code>dtype=int<\/code> \u540e\u4f1a\u53d1\u751f\u4ec0\u4e48<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nprint(np.zeros((2, 2), dtype=int))\nprint(np.ones((2, 2), dtype=int))\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\u4f1a\u53d8\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;0 0]\n &#91;0 0]]\n&#91;&#91;1 1]\n &#91;1 1]]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u65f6\u5019\u5c31\u4e0d\u518d\u663e\u793a\u5c0f\u6570\u70b9\u4e86\uff0c\u56e0\u4e3a\u5143\u7d20\u7c7b\u578b\u53d8\u6210\u4e86\u6574\u6570\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>dtype<\/code> \u5e38\u89c1\u53ef\u4ee5\u6539\u6210\u54ea\u4e9b\u7c7b\u578b<\/h2>\n\n\n\n<p>\u4e0b\u9762\u662f\u6700\u5e38\u89c1\u7684\u51e0\u79cd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. <code>dtype=int<\/code><\/h3>\n\n\n\n<p>\u6574\u6570\u7c7b\u578b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nprint(np.zeros((2, 3), dtype=int))\nprint(np.ones((2, 3), dtype=int))\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;0 0 0]\n &#91;0 0 0]]\n&#91;&#91;1 1 1]\n &#91;1 1 1]]\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>dtype=float<\/code><\/h3>\n\n\n\n<p>\u6d6e\u70b9\u6570\u7c7b\u578b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nprint(np.zeros((2, 3), dtype=float))\nprint(np.ones((2, 3), dtype=float))\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;0. 0. 0.]\n &#91;0. 0. 0.]]\n&#91;&#91;1. 1. 1.]\n &#91;1. 1. 1.]]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5176\u5b9e\u5c31\u662f\u9ed8\u8ba4\u60c5\u51b5\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>dtype=bool<\/code><\/h3>\n\n\n\n<p>\u5e03\u5c14\u7c7b\u578b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nprint(np.zeros((2, 3), dtype=bool))\nprint(np.ones((2, 3), dtype=bool))\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;False False False]\n &#91;False False False]]\n&#91;&#91; True  True  True]\n &#91; True  True  True]]\n<\/code><\/pre>\n\n\n\n<p>\u56e0\u4e3a\u5728\u5e03\u5c14\u4e16\u754c\u91cc\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>0 \u5bf9\u5e94 <code>False<\/code><\/li>\n\n\n\n<li>1 \u5bf9\u5e94 <code>True<\/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\">4. <code>dtype=complex<\/code><\/h3>\n\n\n\n<p>\u590d\u6570\u7c7b\u578b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nprint(np.zeros((2, 2), dtype=complex))\nprint(np.ones((2, 2), dtype=complex))\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\u901a\u5e38\u7c7b\u4f3c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;0.+0.j 0.+0.j]\n &#91;0.+0.j 0.+0.j]]\n&#91;&#91;1.+0.j 1.+0.j]\n &#91;1.+0.j 1.+0.j]]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u5728\u521d\u5b66\u9636\u6bb5\u4e0d\u5e38\u7528\uff0c\u4f46\u4f60\u77e5\u9053\u5b83\u5b58\u5728\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\">5. \u66f4\u7cbe\u786e\u7684\u7c7b\u578b\u5199\u6cd5<\/h3>\n\n\n\n<p>\u4f60\u8fd8\u4f1a\u770b\u5230\u8fd9\u4e9b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dtype=np.int32\ndtype=np.int64\ndtype=np.float32\ndtype=np.float64\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u8868\u793a\u66f4\u5177\u4f53\u7684\u7c7b\u578b\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\na = np.zeros((2, 2), dtype=np.int32)\nb = np.ones((2, 2), dtype=np.float64)\n<\/code><\/pre>\n\n\n\n<p>\u5b83\u4eec\u548c\u7b80\u5355\u5199 <code>int<\/code>\u3001<code>float<\/code> \u7684\u533a\u522b\u5728\u4e8e\uff1a<\/p>\n\n\n\n<p><strong>\u5360\u7528\u591a\u5c11\u5b57\u8282\u3001\u7cbe\u5ea6\u591a\u9ad8\uff0c\u662f\u66f4\u7ec6\u7684\u63a7\u5236\u3002<\/strong><\/p>\n\n\n\n<p>\u521d\u5b66\u9636\u6bb5\u5148\u4f1a\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dtype=int\ndtype=float\ndtype=bool\n<\/code><\/pre>\n\n\n\n<p>\u5c31\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\">\u90a3 <code>zeros<\/code> \u548c <code>ones<\/code> \u8fd9\u4e24\u4e2a\u51fd\u6570\u201c\u8fd8\u6709\u54ea\u4e9b\u8f93\u51fa\u201d<\/h2>\n\n\n\n<p>\u8fd9\u91cc\u4f60\u8981\u5206\u6e05\u4e00\u4ef6\u4e8b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>zeros()<\/code> \u548c <code>ones()<\/code> \u51b3\u5b9a\u7684\u662f\u201c\u503c\u201d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>zeros()<\/code> \u751f\u6210\u5168 0<\/li>\n\n\n\n<li><code>ones()<\/code> \u751f\u6210\u5168 1<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><code>dtype<\/code> \u51b3\u5b9a\u7684\u662f\u201c\u8fd9\u4e9b\u503c\u7528\u4ec0\u4e48\u7c7b\u578b\u663e\u793a\u548c\u5b58\u50a8\u201d<\/h3>\n\n\n\n<p>\u6240\u4ee5\u4f60\u770b\u5230\u7684\u8f93\u51fa\u53d8\u5316\uff0c\u5176\u5b9e\u4e3b\u8981\u6765\u81ea <code>dtype<\/code>\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\u540c\u6837\u662f\u201c\u5168 1\u201d\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6574\u6570\u7248<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>np.ones((2, 2), dtype=int)\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 1]\n &#91;1 1]]\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d6e\u70b9\u7248<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>np.ones((2, 2), dtype=float)\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. 1.]\n &#91;1. 1.]]\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e03\u5c14\u7248<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>np.ones((2, 2), dtype=bool)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91; True  True]\n &#91; True  True]]\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u503c\u672c\u8d28\u4e0a\u8fd8\u662f\u201c1\u201d\uff0c\u53ea\u662f\u663e\u793a\u5f62\u5f0f\u548c\u5b58\u50a8\u65b9\u5f0f\u4e0d\u540c\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\u4e2a\u51fd\u6570\u8fd8\u80fd\u600e\u4e48\u4fee\u6539<\/h2>\n\n\n\n<p>\u4f60\u73b0\u5728\u6700\u9700\u8981\u638c\u63e1\u7684\u4fee\u6539\u70b9\u6709\u4e24\u4e2a\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\uff0c\u6539\u5f62\u72b6 shape<\/h3>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros(5)\nnp.zeros((2, 3))\nnp.zeros((2, 3, 4))\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4f1a\u751f\u6210\u4e0d\u540c\u7ef4\u5ea6\u3001\u4e0d\u540c\u5927\u5c0f\u7684\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\uff0c\u6539\u6570\u636e\u7c7b\u578b dtype<\/h3>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros((2, 2), dtype=int)\nnp.zeros((2, 2), dtype=float)\nnp.zeros((2, 2), dtype=bool)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u6837\u53ef\u4ee5\u6539\u53d8\u8f93\u51fa\u6837\u5b50\u548c\u5185\u90e8\u5b58\u50a8\u7c7b\u578b\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\u6700\u6e05\u695a\u7684\u5bf9\u6bd4\u793a\u4f8b<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u76f4\u63a5\u770b\u8fd9\u4e00\u7ec4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nprint(np.zeros((2, 3)))\nprint(np.zeros((2, 3), dtype=int))\nprint(np.zeros((2, 3), dtype=bool))\n\nprint(np.ones((2, 3)))\nprint(np.ones((2, 3), dtype=int))\nprint(np.ones((2, 3), dtype=bool))\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>\u9ed8\u8ba4\u662f\u6d6e\u70b9\u6570<\/li>\n\n\n\n<li><code>dtype=int<\/code> \u53d8\u6574\u6570<\/li>\n\n\n\n<li><code>dtype=bool<\/code> \u53d8\u5e03\u5c14\u503c<\/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\">\u521d\u5b66\u8005\u6700\u5bb9\u6613\u6df7\u6dc6\u7684\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u79cd\u6df7\u6dc6\uff1a\u628a\u53cc\u5c42\u62ec\u53f7\u770b\u6210\u201c\u591a\u4f59\u62ec\u53f7\u201d<\/h3>\n\n\n\n<p>\u5176\u5b9e\u4e0d\u662f\u591a\u4f59\uff0c\u800c\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5916\u5c42\uff1a\u51fd\u6570\u8c03\u7528<\/li>\n\n\n\n<li>\u5185\u5c42\uff1ashape \u5143\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\">\u7b2c\u4e8c\u79cd\u6df7\u6dc6\uff1a\u4ee5\u4e3a <code>zeros<\/code> \u53ea\u80fd\u751f\u6210\u6574\u6570 0<\/h3>\n\n\n\n<p>\u4e0d\u662f\u3002<\/p>\n\n\n\n<p><code>zeros<\/code> \u751f\u6210\u7684\u662f\u201c\u6570\u503c\u4e3a 0 \u7684\u6570\u7ec4\u201d\uff0c\u4f46\u8fd9\u4e2a 0 \u53ef\u4ee5\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6574\u6570 0<\/li>\n\n\n\n<li>\u6d6e\u70b9\u6570 0.<\/li>\n\n\n\n<li>\u5e03\u5c14\u503c False<\/li>\n\n\n\n<li>\u590d\u6570 0+0j<\/li>\n<\/ul>\n\n\n\n<p>\u8981\u770b <code>dtype<\/code> \u600e\u4e48\u5b9a\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\u79cd\u6df7\u6dc6\uff1a\u4ee5\u4e3a <code>dtype=int<\/code> \u662f\u201c\u628a\u5f62\u72b6\u53d8\u6210\u6574\u6570\u201d<\/h3>\n\n\n\n<p>\u4e0d\u662f\u3002<\/p>\n\n\n\n<p><code>dtype=int<\/code> \u6539\u7684\u662f\u6570\u7ec4\u91cc\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u4e0d\u662f\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u4e0d\u662f\u6570\u7ec4\u7684\u7ef4\u5ea6\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros((2, 3), dtype=int)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>(2, 3)<\/code> \u662f\u5f62\u72b6<\/li>\n\n\n\n<li><code>int<\/code> \u662f\u5143\u7d20\u7c7b\u578b<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e24\u4ef6\u4e8b\u5b8c\u5168\u4e0d\u540c\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>\u4f60\u53ef\u4ee5\u628a\u8fd9\u9053\u9898\u7684\u6838\u5fc3\u8bb0\u6210\u4e09\u53e5\u8bdd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. <code>zeros()<\/code> \u548c <code>ones()<\/code> \u9700\u8981\u4e00\u4e2a shape<\/h3>\n\n\n\n<p>shape \u8868\u793a\u6570\u7ec4\u7684\u5f62\u72b6\u3002<\/p>\n\n\n\n<p>\u4e00\u7ef4\u53ef\u4ee5\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros(5)\n<\/code><\/pre>\n\n\n\n<p>\u4e8c\u7ef4\u3001\u4e09\u7ef4\u901a\u5e38\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros((2, 3))\nnp.zeros((2, 3, 4))\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. \u53cc\u5c42\u62ec\u53f7\u4e0d\u662f\u91cd\u590d<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros((N, M, P))\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5916\u5c42\u62ec\u53f7\uff1a\u8c03\u7528\u51fd\u6570<\/li>\n\n\n\n<li>\u5185\u5c42\u62ec\u53f7\uff1a\u5199\u5143\u7ec4\uff0c\u8868\u793a\u5f62\u72b6<\/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. <code>dtype<\/code> \u51b3\u5b9a\u5143\u7d20\u7c7b\u578b<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>dtype=int\ndtype=float\ndtype=bool\n<\/code><\/pre>\n\n\n\n<p>\u5b83\u51b3\u5b9a\u4f60\u770b\u5230\u7684\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>0<\/code> \/ <code>1<\/code><\/li>\n\n\n\n<li><code>0.<\/code> \/ <code>1.<\/code><\/li>\n\n\n\n<li><code>False<\/code> \/ <code>True<\/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\">\u4e00\u4e2a\u5c0f\u7ec3\u4e60<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u81ea\u5df1\u5148\u8bd5\u7740\u5224\u65ad\u4e0b\u9762\u6bcf\u53e5\u4ee3\u7801\u4f1a\u8f93\u51fa\u6210\u4ec0\u4e48\u7c7b\u578b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nprint(np.zeros((2, 2)))\nprint(np.zeros((2, 2), dtype=int))\nprint(np.ones((2, 2), dtype=bool))\n<\/code><\/pre>\n\n\n\n<p>\u63d0\u793a\u4f60\u53ea\u5224\u65ad\u201c\u8f93\u51fa\u91cc\u4f1a\u770b\u5230\u4ec0\u4e48\u98ce\u683c\u201d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u662f <code>0.<\/code> \u8fd8\u662f <code>0<\/code><\/li>\n\n\n\n<li>\u662f <code>1<\/code> \u8fd8\u662f <code>True<\/code><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48 <code>numpy.zeros(shape)<\/code> \u91cc\u7684 <code>shape<\/code> \u5e38\u5199\u6210\u5143\u7ec4\uff0c\u800c\u4e0d\u662f\u666e\u901a\u6574\u6570<\/h2>\n\n\n\n<p>\u8fd9\u4e00\u8282\u53ef\u4ee5\u4e13\u95e8\u4f5c\u4e3a\u4f60\u524d\u9762\u90a3\u9053\u9898\u7684\u8865\u5145\u8bf4\u660e\u3002\u5f88\u591a\u521d\u5b66\u8005\u4e00\u5f00\u59cb\u90fd\u4f1a\u628a\u8fd9\u91cc\u770b\u5f97\u6709\u70b9\u6a21\u7cca\uff1a\u4e00\u4f1a\u513f\u770b\u5230 <code>numpy.zeros(3)<\/code>\uff0c\u4e00\u4f1a\u513f\u53c8\u770b\u5230 <code>numpy.zeros((3, 2))<\/code>\uff0c\u518d\u52a0\u4e0a\u9898\u76ee\u91cc\u8fd8\u5e38\u5199\u6210 <code>shape = tuple(map(int, input().split()))<\/code>\uff0c\u5c31\u5f88\u5bb9\u6613\u6df7\u5728\u4e00\u8d77\u3002<\/p>\n\n\n\n<p>\u5176\u5b9e\u8fd9\u91cc\u771f\u6b63\u8981\u5f04\u660e\u767d\u7684\u662f\uff1a<code>shape<\/code> \u4e0d\u662f\u67d0\u4e00\u4e2a\u6570\u5b57\u672c\u8eab\uff0c\u800c\u662f\u201c\u6570\u7ec4\u5f62\u72b6\u7684\u63cf\u8ff0\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\">\u5148\u8bf4\u7ed3\u8bba\uff1a<code>shape<\/code> \u4e0d\u4e00\u5b9a\u975e\u5f97\u662f\u5143\u7ec4<\/h2>\n\n\n\n<p>\u8fd9\u53e5\u8bdd\u8981\u5148\u8bf4\u6e05\u695a\uff0c\u4e0d\u7136\u5bb9\u6613\u8bb0\u9519\u3002<\/p>\n\n\n\n<p><code>numpy.zeros(shape)<\/code> \u91cc\u7684 <code>shape<\/code>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u4ee5\u662f\u4e00\u4e2a\u666e\u901a\u6574\u6570<\/li>\n\n\n\n<li>\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a\u5143\u7ec4<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u5982\u4e0b\u9762\u4e24\u79cd\u5199\u6cd5\u90fd\u5408\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nprint(np.zeros(3))\nprint(np.zeros((3, 2)))\n<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\u4e25\u683c\u6765\u8bf4\uff0c\u4e0d\u662f\u201c\u5fc5\u987b\u662f\u5143\u7ec4\u201d\u3002<\/p>\n\n\n\n<p>\u66f4\u51c6\u786e\u7684\u8bf4\u6cd5\u5e94\u8be5\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u5f53\u4f60\u8981\u8868\u793a\u591a\u7ef4\u6570\u7ec4\u65f6\uff0c<code>shape<\/code> \u901a\u5e38\u8981\u5199\u6210\u5143\u7ec4\uff1b\u5f53\u4f60\u53ea\u8868\u793a\u4e00\u7ef4\u6570\u7ec4\u65f6\uff0c\u5199\u666e\u901a\u6574\u6570\u4e5f\u53ef\u4ee5\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>shape<\/code> \u5230\u5e95\u662f\u4ec0\u4e48<\/h2>\n\n\n\n<p><code>shape<\/code> \u53ef\u4ee5\u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n<p><strong>\u6570\u7ec4\u6bcf\u4e00\u7ef4\u6709\u591a\u5927\u3002<\/strong><\/p>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(3,)\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u4e00\u7ef4\u6570\u7ec4\uff0c\u6709 3 \u4e2a\u5143\u7d20\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(3, 2)\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6709 3 \u884c 2 \u5217\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(3, 3, 3)\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u4e09\u7ef4\u6570\u7ec4\uff0c\u5916\u5c42\u6709 3 \u5757\uff0c\u6bcf\u5757\u91cc\u6709 3 \u884c\uff0c\u6bcf\u884c\u6709 3 \u4e2a\u5143\u7d20\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5 <code>shape<\/code> \u4e0d\u662f\u201c\u67d0\u4e00\u4e2a\u6570\u5b57\u201d\uff0c\u800c\u662f\u201c\u8fd9\u4e2a\u6570\u7ec4\u957f\u4ec0\u4e48\u6837\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\">\u4e3a\u4ec0\u4e48\u666e\u901a\u6574\u6570\u53ea\u80fd\u81ea\u7136\u8868\u793a\u4e00\u7ef4<\/h2>\n\n\n\n<p>\u6211\u4eec\u5148\u770b\u8fd9\u4e2a\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\nprint(np.zeros(3))\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u7684 <code>3<\/code> \u8868\u793a\uff1a<\/p>\n\n\n\n<p>\u201c\u8bf7\u7ed9\u6211\u4e00\u4e2a\u957f\u5ea6\u4e3a 3 \u7684\u4e00\u7ef4\u6570\u7ec4\u3002\u201d<\/p>\n\n\n\n<p>\u8f93\u51fa\u5927\u81f4\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;0. 0. 0.]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5f88\u597d\u7406\u89e3\uff0c\u56e0\u4e3a\u4e00\u7ef4\u6570\u7ec4\u53ea\u9700\u8981\u4e00\u4e2a\u6570\u5b57\u5c31\u591f\u4e86\u3002<\/p>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u628a\u5b83\u60f3\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u7ef4\u6570\u7ec4\uff1a\u53ea\u8981\u8bf4\u957f\u5ea6\u662f\u591a\u5c11<\/li>\n\n\n\n<li>\u4e8c\u7ef4\u6570\u7ec4\uff1a\u8981\u8bf4\u884c\u548c\u5217\u5206\u522b\u662f\u591a\u5c11<\/li>\n\n\n\n<li>\u4e09\u7ef4\u6570\u7ec4\uff1a\u8981\u8bf4\u6bcf\u4e00\u5c42\u3001\u6bcf\u4e00\u884c\u3001\u6bcf\u4e00\u5217\u5206\u522b\u662f\u591a\u5c11<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u7ef4\u65f6\uff0c\u4e00\u4e2a\u6574\u6570\u5c31\u591f<\/li>\n\n\n\n<li>\u591a\u7ef4\u65f6\uff0c\u4e00\u4e2a\u6574\u6570\u4e0d\u591f\uff0c\u5fc5\u987b\u540c\u65f6\u63cf\u8ff0\u591a\u4e2a\u7ef4\u5ea6\u7684\u5927\u5c0f<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u4e8c\u7ef4\u3001\u4e09\u7ef4\u3001\u56db\u7ef4\u65f6\uff0c\u901a\u5e38\u8981\u5199\u5143\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\">\u4e3a\u4ec0\u4e48\u591a\u7ef4\u8981\u7528\u5143\u7ec4\u6765\u63cf\u8ff0<\/h2>\n\n\n\n<p>\u770b\u4e0b\u9762\u51e0\u4e2a\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nprint(np.zeros((3, 2)))\nprint(np.zeros((2, 2, 2)))\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u7684 <code>(3, 2)<\/code> \u548c <code>(2, 2, 2)<\/code>\uff0c\u672c\u8d28\u4e0a\u662f\u5728\u544a\u8bc9 NumPy\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c\u4e00\u7ef4\u591a\u5927<\/li>\n\n\n\n<li>\u7b2c\u4e8c\u7ef4\u591a\u5927<\/li>\n\n\n\n<li>\u7b2c\u4e09\u7ef4\u591a\u5927<\/li>\n\n\n\n<li>\u2026\u2026<\/li>\n<\/ul>\n\n\n\n<p>\u4e00\u4e2a\u6574\u6570\u53ea\u80fd\u8868\u793a\u4e00\u4e2a\u503c\uff0c\u800c\u5143\u7ec4\u53ef\u4ee5\u4e00\u6b21\u88c5\u4e0b\u591a\u4e2a\u503c\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros(3)\n<\/code><\/pre>\n\n\n\n<p>\u53ea\u662f\u5728\u8bf4\uff1a<\/p>\n\n\n\n<p>\u201c\u505a\u4e00\u4e2a\u957f\u5ea6\u4e3a 3 \u7684\u4e00\u7ef4\u6570\u7ec4\u3002\u201d<\/p>\n\n\n\n<p>\u800c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros((3, 2))\n<\/code><\/pre>\n\n\n\n<p>\u662f\u5728\u8bf4\uff1a<\/p>\n\n\n\n<p>\u201c\u505a\u4e00\u4e2a 3 \u884c 2 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\u3002\u201d<\/p>\n\n\n\n<p>\u800c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros((3, 2, 2, 2))\n<\/code><\/pre>\n\n\n\n<p>\u662f\u5728\u8bf4\uff1a<\/p>\n\n\n\n<p>\u201c\u505a\u4e00\u4e2a\u56db\u7ef4\u6570\u7ec4\uff0c\u6bcf\u4e00\u7ef4\u5927\u5c0f\u5206\u522b\u662f 3\u30012\u30012\u30012\u3002\u201d<\/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\u9898\u76ee\u91cc\u66f4\u9002\u5408\u7edf\u4e00\u5199\u6210\u5143\u7ec4<\/h2>\n\n\n\n<p>\u50cf\u4f60\u505a\u7684\u8fd9\u9053\u9898\uff0c\u8f93\u5165\u53ef\u80fd\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>3 2\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u53ef\u80fd\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>3 3 3\n<\/code><\/pre>\n\n\n\n<p>\u8fd8\u53ef\u80fd\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>3 2 2 2\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c31\u8bf4\u660e\uff1a<\/p>\n\n\n\n<p><strong>\u7ef4\u5ea6\u4e2a\u6570\u4e0d\u56fa\u5b9a\u3002<\/strong><\/p>\n\n\n\n<p>\u65e2\u7136\u7ef4\u5ea6\u4e2a\u6570\u4e0d\u56fa\u5b9a\uff0c\u90a3\u6700\u5408\u9002\u7684\u529e\u6cd5\u5c31\u4e0d\u662f\u5199\u6b7b\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>N, M, P = ...\n<\/code><\/pre>\n\n\n\n<p>\u800c\u662f\u628a\u6574\u884c\u8f93\u5165\u5168\u90e8\u6536\u8d77\u6765\uff0c\u7edf\u4e00\u53d8\u6210\u4e00\u4e2a\u201c\u5f62\u72b6\u63cf\u8ff0\u201d\u3002<\/p>\n\n\n\n<p>\u8fd9\u65f6\u5019\u5143\u7ec4\u5c31\u7279\u522b\u5408\u9002\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8f93\u5165 <code>3 2<\/code>\uff0c\u53d8\u6210 <code>(3, 2)<\/code><\/li>\n\n\n\n<li>\u8f93\u5165 <code>3 3 3<\/code>\uff0c\u53d8\u6210 <code>(3, 3, 3)<\/code><\/li>\n\n\n\n<li>\u8f93\u5165 <code>3 2 2 2<\/code>\uff0c\u53d8\u6210 <code>(3, 2, 2, 2)<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u7136\u540e\u7edf\u4e00\u4ea4\u7ed9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros(shape)\nnp.ones(shape)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u6837\u7a0b\u5e8f\u5c31\u4e0d\u9700\u8981\u63d0\u524d\u77e5\u9053\u5230\u5e95\u662f\u4e8c\u7ef4\u3001\u4e09\u7ef4\u8fd8\u662f\u56db\u7ef4\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\">\u4e00\u4e2a\u5f88\u5bb9\u6613\u6df7\u6dc6\u7684\u70b9\uff1a<code>3<\/code> \u548c <code>(3,)<\/code> \u7684\u5173\u7cfb<\/h2>\n\n\n\n<p>\u8fd9\u4e2a\u5730\u65b9\u975e\u5e38\u503c\u5f97\u5355\u72ec\u8bb2\u6e05\u695a\u3002<\/p>\n\n\n\n<p>\u5728 NumPy \u91cc\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros(3)\n<\/code><\/pre>\n\n\n\n<p>\u548c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros((3,))\n<\/code><\/pre>\n\n\n\n<p>\u6548\u679c\u662f\u4e00\u6837\u7684\uff0c\u90fd\u662f\u521b\u5efa\u957f\u5ea6\u4e3a 3 \u7684\u4e00\u7ef4\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>3<\/code> \u8868\u793a\u4e00\u7ef4\u957f\u5ea6\u4e3a 3<\/li>\n\n\n\n<li><code>(3,)<\/code> \u8868\u793a\u5f62\u72b6\u662f\u4e00\u4e2a\u53ea\u6709 1 \u4e2a\u7ef4\u5ea6\u7684\u5143\u7ec4\uff0c\u8fd9\u4e2a\u7ef4\u5ea6\u5927\u5c0f\u662f 3<\/li>\n<\/ul>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u7ef4\u65f6\uff0c\u8fd9\u4e24\u79cd\u5199\u6cd5\u90fd\u53ef\u4ee5\u3002<\/p>\n\n\n\n<p>\u4f46\u662f\u6ce8\u610f\u4e00\u4e2a\u5f88\u5173\u952e\u7684 Python \u8bed\u6cd5\u70b9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(3)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e0d\u662f\u5143\u7ec4\uff0c\u8fd9\u53ea\u662f\u6574\u6570 <code>3<\/code>\u3002<\/p>\n\n\n\n<p>\u771f\u6b63\u7684\u5355\u5143\u7d20\u5143\u7ec4\u8981\u5199\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(3,)\n<\/code><\/pre>\n\n\n\n<p>\u540e\u9762\u7684\u9017\u53f7\u4e0d\u80fd\u5c11\u3002<\/p>\n\n\n\n<p>\u8fd9\u662f\u521d\u5b66\u8005\u975e\u5e38\u5bb9\u6613\u8e29\u7684\u5751\u3002<\/p>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u8bb0\u4e00\u53e5\uff1a<\/p>\n\n\n\n<p><strong>\u4e0d\u662f\u62ec\u53f7\u8ba9\u5b83\u53d8\u6210\u5143\u7ec4\uff0c\u800c\u662f\u9017\u53f7\u8ba9\u5b83\u53d8\u6210\u5143\u7ec4\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\u9053\u9898\u91cc\u4e0d\u76f4\u63a5\u7528\u6574\u6570\uff0c\u800c\u8981\u7528 <code>tuple(...)<\/code><\/h2>\n\n\n\n<p>\u56e0\u4e3a\u8fd9\u9053\u9898\u4e0d\u662f\u56fa\u5b9a\u4e00\u7ef4\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u4f60\u53ea\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>shape = int(input())\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u53ea\u80fd\u63a5\u6536\u4e00\u4e2a\u6570\u5b57\uff0c\u6bd4\u5982 <code>3<\/code>\u3002<\/p>\n\n\n\n<p>\u53ef\u9898\u76ee\u7ed9\u7684\u662f\u4e00\u6574\u884c\u7a7a\u683c\u5206\u9694\u7684\u6570\u5b57\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>3 2\n<\/code><\/pre>\n\n\n\n<p>\u6216\u8005\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>3 3 3\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u663e\u7136\u4e0d\u662f\u4e00\u4e2a\u5355\u72ec\u6574\u6570\uff0c\u800c\u662f\u4e00\u7ec4\u7ef4\u5ea6\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u5fc5\u987b\u628a\u8fd9\u4e00\u7ec4\u6570\u5b57\u6536\u96c6\u8d77\u6765\u3002<\/p>\n\n\n\n<p>\u800c\u6536\u96c6\u6210\u5143\u7ec4\uff0c\u5c31\u662f\u6700\u81ea\u7136\u3001\u6700\u89c4\u8303\u7684\u5199\u6cd5\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 = tuple(map(int, input().split()))<\/code> \u8fd9\u4e00\u6574\u4e32\u5230\u5e95\u5728\u505a\u4ec0\u4e48<\/h2>\n\n\n\n<p>\u8fd9\u53e5\u4ee3\u7801\u770b\u8d77\u6765\u957f\uff0c\u4f46\u5176\u5b9e\u5c31\u662f\u56db\u6b65\u8fde\u8d77\u6765\u5199\u4e86\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>shape = tuple(map(int, input().split()))\n<\/code><\/pre>\n\n\n\n<p>\u6211\u4eec\u4e00\u70b9\u70b9\u62c6\u5f00\u770b\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\u4e00\u6b65\uff1a<code>input()<\/code><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>input()\n<\/code><\/pre>\n\n\n\n<p>\u4f5c\u7528\u662f\u4ece\u952e\u76d8\u8bfb\u5165\u4e00\u6574\u884c\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u5047\u8bbe\u7528\u6237\u8f93\u5165\u7684\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>3 2 2 2\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48 <code>input()<\/code> \u8bfb\u5230\u7684\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>'3 2 2 2'\n<\/code><\/pre>\n\n\n\n<p>\u6ce8\u610f\uff0c\u5b83\u73b0\u5728\u8fd8\u662f\u5b57\u7b26\u4e32\uff0c\u4e0d\u662f\u6570\u5b57\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<code>.split()<\/code><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>input().split()\n<\/code><\/pre>\n\n\n\n<p>\u4f5c\u7528\u662f\u6309\u7a7a\u683c\u5207\u5f00\u3002<\/p>\n\n\n\n<p>\u4e8e\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>'3 2 2 2'.split()\n<\/code><\/pre>\n\n\n\n<p>\u4f1a\u53d8\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'3', '2', '2', '2']\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u5f97\u5230\u7684\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u91cc\u9762\u6bcf\u4e00\u9879\u8fd8\u662f\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n<p>\u4e0d\u662f\u6574\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\u4e09\u6b65\uff1a<code>map(int, ...)<\/code><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>map(int, input().split())\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e00\u90e8\u5206\u7684\u4f5c\u7528\u662f\uff1a<\/p>\n\n\n\n<p>\u628a\u524d\u9762\u5217\u8868\u91cc\u7684\u6bcf\u4e2a\u5b57\u7b26\u4e32\uff0c\u9010\u4e2a\u8f6c\u6210\u6574\u6570\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>'3'<\/code> \u53d8\u6210 <code>3<\/code><\/li>\n\n\n\n<li><code>'2'<\/code> \u53d8\u6210 <code>2<\/code><\/li>\n\n\n\n<li><code>'2'<\/code> \u53d8\u6210 <code>2<\/code><\/li>\n\n\n\n<li><code>'2'<\/code> \u53d8\u6210 <code>2<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u903b\u8f91\u4e0a\u5c31\u76f8\u5f53\u4e8e\u5f97\u5230\u4e86\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>3, 2, 2, 2\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u4f60\u53ef\u4ee5\u5148\u628a <code>map<\/code> \u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n<p><strong>\u201c\u8ba9 <code>int()<\/code> \u5bf9\u6bcf\u4e2a\u5143\u7d20\u90fd\u505a\u4e00\u6b21\u8f6c\u6362\u3002\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\">\u7b2c\u56db\u6b65\uff1a<code>tuple(...)<\/code><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>tuple(map(int, input().split()))\n<\/code><\/pre>\n\n\n\n<p>\u6700\u540e\u8fd9\u4e00\u6b65\u662f\u628a\u524d\u9762\u90a3\u4e9b\u8f6c\u6362\u540e\u7684\u6574\u6570\u6536\u96c6\u6210\u4e00\u4e2a\u5143\u7ec4\u3002<\/p>\n\n\n\n<p>\u4e8e\u662f\u5c31\u5f97\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>(3, 2, 2, 2)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u5143\u7ec4\u5c31\u6b63\u597d\u53ef\u4ee5\u4f5c\u4e3a <code>shape<\/code> \u4f20\u7ed9 NumPy\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\u8fd9\u53e5\u5b8c\u6574\u5730\u7ffb\u8bd1\u6210\u4eba\u8bdd<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>shape = tuple(map(int, input().split()))\n<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u7ffb\u8bd1\u6210\u4e00\u53e5\u975e\u5e38\u76f4\u767d\u7684\u8bdd\uff1a<\/p>\n\n\n\n<p><strong>\u628a\u7528\u6237\u8f93\u5165\u7684\u4e00\u6574\u884c\u6570\u5b57\u6309\u7a7a\u683c\u62c6\u5f00\uff0c\u628a\u6bcf\u4e00\u9879\u4ece\u5b57\u7b26\u4e32\u53d8\u6210\u6574\u6570\uff0c\u518d\u6574\u4f53\u6536\u6210\u4e00\u4e2a\u5143\u7ec4\uff0c\u4f5c\u4e3a\u6570\u7ec4\u7684\u5f62\u72b6\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\">\u7528\u51e0\u4e2a\u4f8b\u5b50\u5f7b\u5e95\u770b\u61c2\u8fd9\u53e5\u4ee3\u7801<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f8b 1\uff1a\u8f93\u5165\u662f <code>3 2<\/code><\/h3>\n\n\n\n<p>\u6267\u884c\u8fc7\u7a0b\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>input()              -&gt; '3 2'\nsplit()              -&gt; &#91;'3', '2']\nmap(int, ...)        -&gt; 3, 2\ntuple(...)           -&gt; (3, 2)\n<\/code><\/pre>\n\n\n\n<p>\u6700\u7ec8\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>shape = (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 2\uff1a\u8f93\u5165\u662f <code>3 3 3<\/code><\/h3>\n\n\n\n<p>\u6267\u884c\u8fc7\u7a0b\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>input()              -&gt; '3 3 3'\nsplit()              -&gt; &#91;'3', '3', '3']\nmap(int, ...)        -&gt; 3, 3, 3\ntuple(...)           -&gt; (3, 3, 3)\n<\/code><\/pre>\n\n\n\n<p>\u6700\u7ec8\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>shape = (3, 3, 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 3\uff1a\u8f93\u5165\u662f <code>3 2 2 2<\/code><\/h3>\n\n\n\n<p>\u6267\u884c\u8fc7\u7a0b\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>input()              -&gt; '3 2 2 2'\nsplit()              -&gt; &#91;'3', '2', '2', '2']\nmap(int, ...)        -&gt; 3, 2, 2, 2\ntuple(...)           -&gt; (3, 2, 2, 2)\n<\/code><\/pre>\n\n\n\n<p>\u6700\u7ec8\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>shape = (3, 2, 2, 2)\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\u4e0d\u7528\u5217\u8868\uff0c\u800c\u5e38\u7528\u5143\u7ec4<\/h2>\n\n\n\n<p>\u8fd9\u4e2a\u5730\u65b9\u4e5f\u53ef\u4ee5\u987a\u624b\u8865\u5145\u4e00\u4e0b\u3002<\/p>\n\n\n\n<p>\u5176\u5b9e NumPy \u5728\u5f88\u591a\u60c5\u51b5\u4e0b\u4e5f\u80fd\u63a5\u53d7\u5217\u8868\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros(&#91;3, 2])\n<\/code><\/pre>\n\n\n\n<p>\u5f88\u591a\u65f6\u5019\u4e5f\u80fd\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>\u4f46\u5728\u201c\u8868\u793a shape\u201d\u8fd9\u4ef6\u4e8b\u4e0a\uff0c\u5143\u7ec4\u66f4\u5e38\u89c1\uff0c\u539f\u56e0\u4e3b\u8981\u6709\u4e24\u4e2a\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\uff0c\u5143\u7ec4\u66f4\u50cf\u201c\u56fa\u5b9a\u7684\u7ed3\u6784\u8bf4\u660e\u201d\u3002<br>shape \u4e00\u822c\u53ea\u662f\u62ff\u6765\u63cf\u8ff0\u6570\u7ec4\u5f62\u72b6\uff0c\u4e0d\u662f\u540e\u9762\u8981\u9891\u7e41\u4fee\u6539\u7684\u6570\u636e\uff0c\u6240\u4ee5\u5143\u7ec4\u5f88\u5408\u9002\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\uff0c\u6559\u6750\u3001\u5b98\u65b9\u793a\u4f8b\u3001\u9898\u76ee\u7b54\u6848\u91cc\uff0c\u51e0\u4e4e\u90fd\u4e60\u60ef\u7528\u5143\u7ec4\u3002<br>\u6240\u4ee5\u4f60\u8ddf\u7740\u8fd9\u4e2a\u4e60\u60ef\u5199\uff0c\u6700\u7a33\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u521d\u5b66\u9636\u6bb5\uff0c\u4f60\u53ef\u4ee5\u5148\u8bb0\u6210\uff1a<\/p>\n\n\n\n<p><strong>shape \u7684\u6807\u51c6\u5199\u6cd5\u4f18\u5148\u7528\u5143\u7ec4\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\u9053\u9898\u7684\u6700\u7ec8\u6807\u51c6\u5199\u6cd5<\/h2>\n\n\n\n<p>\u6240\u4ee5\u50cf\u8fd9\u9053\u9898\uff0c\u6700\u63a8\u8350\u5199\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nshape = tuple(map(int, input().split()))\nprint(np.zeros(shape, dtype=int))\nprint(np.ones(shape, dtype=int))\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u7684\u601d\u8def\u975e\u5e38\u7edf\u4e00\uff1a<\/p>\n\n\n\n<p>\u5148\u628a\u8f93\u5165\u5904\u7406\u6210\u4e00\u4e2a\u5f62\u72b6\u5143\u7ec4\uff0c\u518d\u628a\u8fd9\u4e2a\u5f62\u72b6\u5143\u7ec4\u4ea4\u7ed9 <code>zeros<\/code> \u548c <code>ones<\/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\">\u4f60\u4ee5\u540e\u600e\u4e48\u5224\u65ad\u8be5\u7528\u6574\u6570\u8fd8\u662f\u5143\u7ec4<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u7528\u4e00\u4e2a\u5f88\u7b80\u5355\u7684\u5224\u65ad\u529e\u6cd5\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u4f60\u60f3\u521b\u5efa\u7684\u662f\u4e00\u7ef4\u6570\u7ec4\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u957f\u5ea6\uff0c\u90a3\u4e48\u6574\u6570\u5c31\u591f\u4e86\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros(5)\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u4f60\u60f3\u521b\u5efa\u7684\u662f\u4e8c\u7ef4\u53ca\u4ee5\u4e0a\u6570\u7ec4\uff0c\u6216\u8005\u9898\u76ee\u8f93\u5165\u7684\u7ef4\u5ea6\u4e2a\u6570\u4e0d\u56fa\u5b9a\uff0c\u5c31\u5e94\u8be5\u7528\u5143\u7ec4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.zeros((3, 2))\nnp.zeros((3, 3, 3))\nnp.zeros((3, 2, 2, 2))\n<\/code><\/pre>\n\n\n\n<p>\u5c24\u5176\u662f\u50cf\u9898\u76ee\u8fd9\u79cd\u201c\u8f93\u5165\u4e00\u6574\u884c\u7ef4\u5ea6\u201d\u7684\u60c5\u51b5\uff0c\u51e0\u4e4e\u5c31\u662f\u5728\u63d0\u793a\u4f60\u5e94\u8be5\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>shape = tuple(map(int, input().split()))\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\">\u672c\u8282\u5c0f\u7ed3<\/h2>\n\n\n\n<p>\u8fd9\u4e00\u8282\u6700\u91cd\u8981\u7684\u6709\u56db\u53e5\u8bdd\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\uff0c<code>shape<\/code> \u4e0d\u4e00\u5b9a\u975e\u5f97\u662f\u5143\u7ec4\u3002<br>\u4e00\u7ef4\u6570\u7ec4\u65f6\uff0c\u666e\u901a\u6574\u6570\u4e5f\u53ef\u4ee5\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\uff0c\u591a\u7ef4\u6570\u7ec4\u901a\u5e38\u8981\u7528\u5143\u7ec4\u3002<br>\u56e0\u4e3a\u4e00\u4e2a\u6574\u6570\u53ea\u80fd\u8868\u793a\u4e00\u4e2a\u7ef4\u5ea6\uff0c\u800c\u5143\u7ec4\u53ef\u4ee5\u540c\u65f6\u8868\u793a\u591a\u4e2a\u7ef4\u5ea6\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e09\uff0c<code>np.zeros(3)<\/code> \u548c <code>np.zeros((3,))<\/code> \u90fd\u8868\u793a\u4e00\u7ef4\u957f\u5ea6\u4e3a 3\u3002<br>\u4f46 <code>(3)<\/code> \u4e0d\u662f\u5143\u7ec4\uff0c<code>(3,)<\/code> \u624d\u662f\u5355\u5143\u7d20\u5143\u7ec4\u3002<\/p>\n\n\n\n<p>\u7b2c\u56db\uff0c\u9898\u76ee\u91cc\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>shape = tuple(map(int, input().split()))\n<\/code><\/pre>\n\n\n\n<p>\u672c\u8d28\u4e0a\u5c31\u662f\uff1a<br>\u628a\u6574\u884c\u8f93\u5165\u7684\u6240\u6709\u6570\u5b57\u8bfb\u8fdb\u6765\uff0c\u8f6c\u6210\u6574\u6570\uff0c\u518d\u6536\u6210\u4e00\u4e2a\u5f62\u72b6\u5143\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\">\u5c0f\u7ec3\u4e60<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u5148\u81ea\u5df1\u5224\u65ad\u4e0b\u9762\u4e09\u53e5\u4ee3\u7801\u91cc\uff0c<code>shape<\/code> \u6700\u540e\u5206\u522b\u662f\u4ec0\u4e48\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9898\u76ee<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>shape = tuple(map(int, \"4\".split()))\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>shape = tuple(map(int, \"2 3\".split()))\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>shape = tuple(map(int, \"2 1 3\".split()))\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u63d0\u793a<\/h3>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u6309\u8fd9\u4e2a\u987a\u5e8f\u53bb\u60f3\uff1a<\/p>\n\n\n\n<p>\u5148\u770b <code>split()<\/code> \u540e\u53d8\u6210\u4ec0\u4e48\u3002<br>\u518d\u770b <code>map(int, ...)<\/code> \u540e\u6bcf\u4e2a\u5143\u7d20\u53d8\u6210\u4ec0\u4e48\u3002<br>\u6700\u540e\u770b <code>tuple(...)<\/code> \u6536\u6210\u4ec0\u4e48\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4ec0\u4e48 numpy.zeros((N, M, P)) \u91cc\u9762\u8981\u5199\u201c\u53cc\u5c42\u62ec\u53f7\u201d \u8fd9\u4e2a\u95ee\u9898\u672c\u8d28\u4e0a\u662f\u5728\u95ee\uff1a \u4e3a\u4ec0\u4e48\u4e0d\u662f [&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-2064","post","type-post","status-publish","format-standard","hentry","category-text"],"_links":{"self":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2064","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=2064"}],"version-history":[{"count":1,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2064\/revisions"}],"predecessor-version":[{"id":2066,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2064\/revisions\/2066"}],"wp:attachment":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=2064"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=2064"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=2064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}