{"id":68767,"date":"2018-08-21T08:47:18","date_gmt":"2018-08-20T23:47:18","guid":{"rendered":"https:\/\/www.sejuku.net\/blog\/?p=68767"},"modified":"2024-05-06T11:50:52","modified_gmt":"2024-05-06T02:50:52","slug":"%e3%80%90numpy%e5%85%a5%e9%96%80-np-zeros%e3%80%910%e3%81%a7%e5%88%9d%e6%9c%9f%e5%8c%96%e3%81%97%e3%81%9f%e9%85%8d%e5%88%97%e3%82%92%e4%bd%9c%e3%82%8bzeros%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/68767","title":{"rendered":"\u3010NumPy\u5165\u9580 np.zeros\u30110\u3067\u521d\u671f\u5316\u3057\u305f\u914d\u5217\u3092\u4f5c\u308bzeros\u95a2\u6570\u306e\u4f7f\u3044\u65b9"},"content":{"rendered":"<p>Python\u306e<span style=\"color: #008000;\"><strong>\u884c\u5217\u8a08\u7b97\u30e9\u30a4\u30d6\u30e9\u30eaNumPy<\/strong><\/span>\u3067<span style=\"color: #0000ff;\"><strong>\u306f\u914d\u5217\u3092\u521d\u671f\u5316\u3059\u308b\u95a2\u6570<\/strong><\/span>\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u4e2d\u304b\u3089\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306f<span style=\"color: #0000ff;\"><strong>\u914d\u5217\u306e\u5168\u8981\u7d20\u30920\u3067\u521d\u671f\u5316<\/strong><\/span>\u3059\u308b<span style=\"color: #008000;\"><strong>np.zeros<\/strong><\/span>\u95a2\u6570\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001<span style=\"color: #0000ff;\"><strong>\u914d\u5217\u30920\u3067\u521d\u671f\u5316<\/strong><\/span>\u3059\u308b<strong><span style=\"color: #008000;\">np.zeros<\/span><\/strong>\u95a2\u6570\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/68781\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2018\/08\/np.ones_-150x86.png\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Numpy\u5165\u9580 np.ones\u3011\u914d\u5217\u306e\u5168\u8981\u7d20\u30921\u3067\u521d\u671f\u5316\u3059\u308bones\u95a2\u6570\u306e\u4f7f\u3044\u65b9<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n<h2>np.zeros\u306e\u5f15\u6570\u3068\u8fd4\u308a\u5024<\/h2>\n<p><code class=\"descclassname\">numpy.<\/code><code class=\"descname\">zeros<\/code><span class=\"sig-paren\">(<\/span><em>shape<\/em>, <em>dtype=float<\/em>, <em>order=&#8217;C&#8217;<\/em><span class=\"sig-paren\">)<\/span><\/p>\n<p><span style=\"color: #0000ff;\"><strong>shape\u3068dtype\uff08\u8981\u7d20\u306e\u578b\uff09\u3092\u6307\u5b9a<\/strong><\/span>\u3057\u3066\u3001<strong><span style=\"color: #0000ff;\">0\u3067\u57cb\u3081\u3089\u308c\u305f\u914d\u5217<\/span><\/strong>\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<table class=\"docutils field-list\" frame=\"void\" rules=\"none\">\n<colgroup>\n<col class=\"field-name\" \/>\n<col class=\"field-body\" \/> <\/colgroup>\n<tbody valign=\"top\">\n<tr class=\"field-odd field\">\n<th class=\"field-name\">Parameters:<\/th>\n<td class=\"field-body\">\n<dl class=\"first docutils\">\n<dt><span style=\"color: #0000ff;\"><strong>shape<\/strong> <span class=\"classifier-delimiter\">:<\/span> int\u578b\u304bint\u578b\u306etuple<\/span><span class=\"classifier\"><br \/>\n<\/span><\/dt>\n<dd>\n<p class=\"first last\">\u65b0\u3057\u3044\u914d\u5217\u306eshape\u3067\u3059\u3002 \u4f8b, <code class=\"docutils literal\"><span class=\"pre\">(2,<\/span> <span class=\"pre\">3)<\/span><\/code> or <code class=\"docutils literal\"><span class=\"pre\">2<\/span><\/code>.<\/p>\n<\/dd>\n<dt><span style=\"color: #0000ff;\"><strong>dtype<\/strong> <span class=\"classifier-delimiter\">:<\/span> \u30c7\u30fc\u30bf\u578b<\/span><span class=\"classifier\">, \u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u306a\u306e\u3067\u3001\u6307\u5b9a\u3057\u306a\u304f\u3066\u3082OK\u3067\u3059\u3002<br \/>\n<\/span><\/dt>\n<dd>\n<p class=\"first last\">\u65b0\u3057\u3044\u914d\u5217\u306e\u30c7\u30fc\u30bf\u578b\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002, \u4f8b, <code class=\"xref py py-obj docutils literal\"><span class=\"pre\">numpy.int8<\/span><\/code>\u306a\u3069\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002 \u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f <code class=\"xref py py-obj docutils literal\"><span class=\"pre\">numpy.float64<\/span><\/code>.<\/p>\n<\/dd>\n<dt><span style=\"color: #0000ff;\"><strong>order<\/strong> <span class=\"classifier-delimiter\">:<\/span> <\/span><span class=\"classifier\"><span style=\"color: #0000ff;\">{\u2018C\u2019, \u2018F\u2019}<\/span>, \u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u2018C\u2019<\/span><\/dt>\n<dd>\n<p class=\"first last\">\u591a\u6b21\u5143\u914d\u5217\u3092\u884c\u512a\u5148 (C-style) \u304b\u5217\u512a\u5148 (Fortran-style) \u3067\u30e1\u30e2\u30ea\u306b\u683c\u7d0d\u3059\u308b\u304b\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<\/dd>\n<\/dl>\n<\/td>\n<\/tr>\n<tr class=\"field-even field\">\n<th class=\"field-name\">Returns:<\/th>\n<td class=\"field-body\">\n<dl class=\"first last docutils\">\n<dt><strong>out<\/strong> <span class=\"classifier-delimiter\">:<\/span> <span class=\"classifier\">ndarray<\/span><\/dt>\n<dd>\n<p class=\"first last\">\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u6307\u5b9a\u3057\u305f\u6761\u4ef6\u30670\u521d\u671f\u5316\u3055\u308c\u305f\u914d\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<\/dd>\n<\/dl>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n<h2>\u4f7f\u3044\u65b9<\/h2>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p><span style=\"color: #008000;\"><strong>jupyter-lab<\/strong><\/span>\u3084<strong><span style=\"color: #008000;\">jupyter-notebook<\/span><\/strong>\u3092\u4f7f\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>In [~]\u3068\u66f8\u304b\u308c\u3066\u3044\u308b\u30bb\u30eb\u304c\u30b3\u30fc\u30c9\u3001Out[~]\u3068\u66f8\u304b\u308c\u3066\u3044\u308b\u90e8\u5206\u304c\u51fa\u529b\u7d50\u679c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[1]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-ipython3\">\n<pre class=\"lang:default decode:true\">import numpy as np<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"\u57fa\u672c\u7684\u306a\u914d\u5217\u306e\u4f5c\u308a\u65b9\">\u57fa\u672c\u7684\u306a\u914d\u5217\u306e\u4f5c\u308a\u65b9<\/h3>\n<p><span style=\"color: #0000ff;\"><strong>\u7b2c\u4e00\u5f15\u6570\u306b\u65b0\u3057\u304f\u4f5c\u308a\u305f\u3044\u914d\u5217\u306eshape\u3092\u6307\u5b9a<\/strong><\/span>\u3059\u308c\u3070\u3001\u7c21\u5358\u306b\u914d\u5217\u304c\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[2]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-ipython3\">\n<pre class=\"lang:default decode:true\">x = np.zeros(5)\r\nx<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt output_prompt\">Out[2]:<\/div>\n<div class=\"output_text output_subarea output_execute_result\">\n<pre class=\"\">array([0., 0., 0., 0., 0.])<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p>\u914d\u5217\u306e\u60c5\u5831\u3092\u307e\u3068\u3081\u3066\u898b\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u95a2\u6570\u3092\u4f5c\u3063\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[3]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-ipython3\">\n<pre class=\"lang:default decode:true\">def array_info(x):\r\n    print(\"\u914d\u5217\u306eshape\", x.shape)\r\n    print(\"\u914d\u5217\u306e\u8981\u7d20\u306e\u30c7\u30fc\u30bf\u578b\", x.dtype)\r\n    print(\"\u914d\u5217\u306e\u4e2d\u8eab\\n\",x)<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p>\u3053\u306earray_info\u95a2\u6570\u3067\u5148\u7a0b\u4f5c\u3063\u305f\u914d\u5217\u3092\u898b\u3066\u307f\u308b\u3068\u3001\u8981\u7d20\u304c5\u3064\u3082\u3064\u914d\u5217\u304c\u3067\u304d\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n<p>\u307e\u305f\u3001\u524d\u8ff0\u306e\u901a\u308a\u3001<span style=\"color: #0000ff;\"><strong>dtype\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001float64\u578b\u306b\u306a\u308b<\/strong><\/span>\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[4]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-ipython3\">\n<pre class=\"lang:default decode:true\">array_info(x)<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\">Out:<\/div>\n<div class=\"output_subarea output_stream output_stdout output_text\">\n<pre class=\"\">\u914d\u5217\u306eshape (5,)\r\n\u914d\u5217\u306e\u8981\u7d20\u306e\u30c7\u30fc\u30bf\u578b float64\r\n\u914d\u5217\u306e\u4e2d\u8eab\r\n [0. 0. 0. 0. 0.]\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p>\u540c\u3058\u3088\u3046\u306b\u3057\u3066\u30014&#215;3\u306e\u914d\u5217\u3092\u4f5c\u308a\u307e\u3059\u3002<br \/>\n<span style=\"color: #0000ff;\"><strong>\u30bf\u30d7\u30eb\u3067\u6307\u5b9a\u3057\u3066\u3042\u3052\u308b<\/strong><\/span>\u3060\u3051\u3067\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[5]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-ipython3\">\n<pre class=\"lang:default decode:true\">x2 = np.zeros((4,3))\r\narray_info(x2)<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\">Out:<\/div>\n<div class=\"output_subarea output_stream output_stdout output_text\">\n<pre class=\"\">\u914d\u5217\u306eshape (4, 3)\r\n\u914d\u5217\u306e\u8981\u7d20\u306e\u30c7\u30fc\u30bf\u578b float64\r\n\u914d\u5217\u306e\u4e2d\u8eab\r\n [[0. 0. 0.]\r\n [0. 0. 0.]\r\n [0. 0. 0.]\r\n [0. 0. 0.]]\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p><span style=\"color: #0000ff;\"><strong>\u4e09\u6b21\u5143\u914d\u5217\u3082\u540c\u69d8\u306b\u30bf\u30d7\u30eb\u3067shape\u3092\u6307\u5b9a<\/strong><\/span>\u3057\u3066\u4f5c\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[6]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-ipython3\">\n<pre class=\"lang:default decode:true\">x3 = np.zeros((4,3,2))\r\narray_info(x3)<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\">Out:<\/div>\n<div class=\"output_subarea output_stream output_stdout output_text\">\n<pre class=\"\">\u914d\u5217\u306eshape (4, 3, 2)\r\n\u914d\u5217\u306e\u8981\u7d20\u306e\u30c7\u30fc\u30bf\u578b float64\r\n\u914d\u5217\u306e\u4e2d\u8eab\r\n [[[0. 0.]\r\n  [0. 0.]\r\n  [0. 0.]]\r\n\r\n [[0. 0.]\r\n  [0. 0.]\r\n  [0. 0.]]\r\n\r\n [[0. 0.]\r\n  [0. 0.]\r\n  [0. 0.]]\r\n\r\n [[0. 0.]\r\n  [0. 0.]\r\n  [0. 0.]]]\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"\u8981\u7d20\u306e\u578b\u3092\u6307\u5b9a\u3057\u3066\u914d\u5217\u3092\u4f5c\u308b\u65b9\u6cd5\">\u8981\u7d20\u306e\u578b\u3092\u6307\u5b9a\u3057\u3066\u914d\u5217\u3092\u4f5c\u308b\u65b9\u6cd5<\/h3>\n<p><span style=\"color: #0000ff;\"><strong>dtype\u3068\u3044\u3046\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u3001numpy.float32\u306a\u3069\u306e\u578b\u3092\u6307\u5b9a<\/strong><\/span>\u3059\u308b\u3053\u3068\u3067\u3001<span style=\"color: #0000ff;\"><strong>\u4efb\u610f\u306e\u578b\u30670\u521d\u671f\u5316<\/strong><\/span>\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[7]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-ipython3\">\n<pre class=\"lang:default decode:true\">x4 = np.zeros(3, dtype=np.int16)\r\narray_info(x4)<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\">Out:<\/div>\n<div class=\"output_subarea output_stream output_stdout output_text\">\n<pre class=\"\">\u914d\u5217\u306eshape (3,)\r\n\u914d\u5217\u306e\u8981\u7d20\u306e\u30c7\u30fc\u30bf\u578b int16\r\n\u914d\u5217\u306e\u4e2d\u8eab\r\n [0 0 0]\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p><span style=\"color: #0000ff;\"><strong>\u771f\u507d\u5024\uff08bool\uff09\u3067\u3082\u53ef\u80fd<\/strong><\/span>\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u306f0\u306e\u4ee3\u308f\u308a\u306b<span style=\"color: #0000ff;\"><strong>False\u3067\u57cb\u3081\u3089\u308c\u305f\u914d\u5217<\/strong><\/span>\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[8]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-ipython3\">\n<pre class=\"lang:default decode:true\">x5 = np.zeros(3, dtype=np.bool)\r\narray_info(x5)<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\">Out:<\/div>\n<div class=\"output_subarea output_stream output_stdout output_text\">\n<pre class=\"\">\u914d\u5217\u306eshape (3,)\r\n\u914d\u5217\u306e\u8981\u7d20\u306e\u30c7\u30fc\u30bf\u578b bool\r\n\u914d\u5217\u306e\u4e2d\u8eab\r\n [False False False]<\/pre>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h2>\u3042\u308b\u914d\u5217\u3068\u540c\u3058shape\u306e0\u521d\u671f\u5316\u914d\u5217\u3092\u4f5c\u308bnp.zeros_like<\/h2>\n<p>np.zeros\u3068\u4f3c\u305f\u95a2\u6570\u306b\u3001<span style=\"color: #008000;\"><strong>np.zeros_like<\/strong><\/span>\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u95a2\u6570\u306f\u7b2c\u4e00\u5f15\u6570\u306bshape\u3067\u306f\u306a\u304f\u3001<span style=\"color: #0000ff;\"><strong>shape\u3092\u771f\u4f3c\u305f\u3044\u914d\u5217\u3092\u6307\u5b9a<\/strong><\/span>\u3057\u3066\u3042\u3052\u308b\u3068\u3001np.zeros\u3068\u540c\u3058\u3088\u3046\u306b<span style=\"color: #0000ff;\"><strong>0\u521d\u671f\u5316\u3057\u305f\u914d\u5217\u3092\u4f5c\u3063\u3066\u304f\u308c\u307e\u3059<\/strong><\/span>\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">\n<p>In\u00a0[9]:<\/p>\n<div class=\" highlight hl-ipython3\">\n<pre class=\"lang:default decode:true\">x6 = np.zeros_like((x3))\r\narray_info(x6)<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\">Out:<\/div>\n<div class=\"output_subarea output_stream output_stdout output_text\">\n<pre class=\"\">\u914d\u5217\u306eshape (4, 3, 2)\r\n\u914d\u5217\u306e\u8981\u7d20\u306e\u30c7\u30fc\u30bf\u578b float64\r\n\u914d\u5217\u306e\u4e2d\u8eab\r\n [[[0. 0.]\r\n  [0. 0.]\r\n  [0. 0.]]\r\n\r\n [[0. 0.]\r\n  [0. 0.]\r\n  [0. 0.]]\r\n\r\n [[0. 0.]\r\n  [0. 0.]\r\n  [0. 0.]]\r\n\r\n [[0. 0.]\r\n  [0. 0.]\r\n  [0. 0.]]]<\/pre>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f<span style=\"color: #0000ff;\"><strong>NumPy\u30670\u521d\u671f\u5316\u3057\u305f\u914d\u5217\u3092\u751f\u6210\u3059\u308b\u95a2\u6570\u3001np.zeros\u3068np.zeros_like\u3092\u7d39\u4ecb<\/strong><\/span>\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>NumPy\u306f\u9ad8\u901f\u306b\u884c\u5217\u8a08\u7b97\u3092\u884c\u3046\u305f\u3081\u306b\u306f\u5fc5\u9808\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u914d\u5217\u306e\u521d\u671f\u5316\u3092\u52c9\u5f37\u3057\u3066\u3001\u69d8\u3005\u306a\u79d1\u5b66\u8a08\u7b97\u306e\u5b9f\u88c5\u30fb\u6a5f\u68b0\u5b66\u7fd2\u306e\u5b9f\u88c5\u306b\u6311\u6226\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u306f\u4e0b\u8a18\u306e\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u53c2\u8003\u8a18\u4e8b\uff1a<br \/>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Python\u306e\u884c\u5217\u8a08\u7b97\u30e9\u30a4\u30d6\u30e9\u30eaNumPy\u3067\u306f\u914d\u5217\u3092\u521d\u671f\u5316\u3059\u308b\u95a2\u6570\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u4e2d\u304b\u3089\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306f\u914d\u5217\u306e\u5168\u8981\u7d20\u30920\u3067\u521d\u671f\u5316\u3059\u308bnp.zeros\u95a2\u6570\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u307e\u305f\u3001\u914d\u5217\u30920\u3067\u521d\u671f\u5316\u3059\u308bnp.zer [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":69222,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"swell_btn_cv_data":"","footnotes":""},"categories":[2350],"tags":[1281,1848,49],"class_list":["post-68767","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python-study","tag-ai","tag-numpy","tag-python"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u3010NumPy\u5165\u9580 np.zeros\u30110\u3067\u521d\u671f\u5316\u3057\u305f\u914d\u5217\u3092\u4f5c\u308bzeros\u95a2\u6570\u306e\u4f7f\u3044\u65b9 | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0<\/title>\n<meta name=\"description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010NumPy\u5165\u9580 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name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/samuraijuku\" \/>\n<meta name=\"twitter:site\" content=\"@samuraijuku\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/68767#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/68767\"},\"author\":{\"name\":\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\",\"@id\":\"https:\\\/\\\/www.sejuku.net\\\/blog\\\/#\\\/schema\\\/person\\\/e8ca7fd09857a736a25e6b4455a3ab61\"},\"headline\":\"\u3010NumPy\u5165\u9580 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