{"id":1732,"date":"2022-01-31T23:22:59","date_gmt":"2022-01-31T14:22:59","guid":{"rendered":"https:\/\/aiacademy.jp\/media\/?p=1732"},"modified":"2024-08-06T18:30:02","modified_gmt":"2024-08-06T09:30:02","slug":"reshape1-1%e3%81%a8reshape-1-1%e3%81%a8%e3%81%af%e4%bd%95%e3%81%8b","status":"publish","type":"post","link":"https:\/\/aiacademy.jp\/media\/?p=1732","title":{"rendered":"reshape(1, -1)\u3068reshape(-1, 1)\u3068\u306f\u4f55\u304b"},"content":{"rendered":"<div id=\"sgb-css-id-1\">\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-font-size is-style-fill has-medium-font-size\"><a class=\"wp-block-button__link has-vivid-green-cyan-background-color has-background wp-element-button\" href=\"https:\/\/lin.ee\/3E4GzWk\" rel=\"nofollow noopener\" target=\"_blank\">LINE\u53cb\u3060\u3061\u767b\u9332 \u25b6 Python\u30b3\u30fc\u30b9 \u25b6 \u53d7\u8b1b\u5272\u5f15\u30af\u30fc\u30dd\u30f3 \u7121\u6599\u52d5\u753b<\/a><\/div>\n<\/div>\n<\/div>\n\n\n<h1 class=\"wp-block-heading\" id=\"i-0\">reshape(1,-1)\u3068reshape(-1,1)\u3068\u306f<\/h1>\n\n\n\n<p>(1, -1) \u3084 (-1, 1) \u3092\u6307\u5b9a\u3059\u308b\u3068\uff0c\u305d\u308c\u305e\u308c2\u6b21\u5143\u306e\u6a2a\u30d9\u30af\u30c8\u30eb\u3084\u7e26\u30d9\u30af\u30c8\u30eb\u3092\u7c21\u4fbf\u306b\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>1\u6b21\u5143\u914d\u5217\u306b\u5bfe\u3057\u3066reshape(1, -1)\u3068\u3059\u308b\u3068\u3001\u305d\u306e\u914d\u5217\u3092\u8981\u7d20\u3068\u3059\u308b2\u6b21\u51431\u884c\u306e\u914d\u5217\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p> 1\u6b21\u5143\u914d\u5217\u306b\u5bfe\u3057\u3066reshape(-1, 1)\u3068\u3059\u308b\u3068\u3001\u305d\u306e\u914d\u5217\u3092\u8981\u7d20\u3068\u3059\u308b2\u6b21\u51431\u5217\u306e\u914d\u5217\u3068\u306a\u308a\u307e\u3059\u3002 2\u6b21\u51431\u884c\u306e\u914d\u5217\u3068\u3059\u308b\u6a2a\u30d9\u30af\u30c8\u30eb\u3092\u4f5c\u308b\u306b\u306f\u30011\u6b21\u5143\u914d\u5217\u3092reshape(1, -1)\u3068\u3059\u308c\u3070\u826f\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\nimport numpy as np\nnp.arange(6).reshape((1, -1))<\/code><\/pre>\n\n\n\n<p><meta charset=\"utf-8\">\u51fa\u529b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>array([[0, 1, 2, 3, 4, 5]])<\/code><\/pre>\n\n\n\n<p><meta charset=\"utf-8\">2\u6b21\u51431\u5217\u306e\u914d\u5217\u3068\u3059\u308b\u7e26\u30d9\u30af\u30c8\u30eb\u3092\u4f5c\u308b\u306b\u306f\u30011\u6b21\u5143\u914d\u5217\u3092reshape(-1, 1)\u3068\u3059\u308c\u3070\u826f\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>np.arange(6).reshape((-1, 1))<\/code><\/pre>\n\n\n\n<p><meta charset=\"utf-8\">\u51fa\u529b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>array([[0],\n       [1],\n       [2],\n       [3],\n       [4],\n       [5]])<\/code><\/pre>\n\n\n\n<div class=\"toc\">    <div id=\"toc_container\" class=\"sgb-toc--no-bullets js-smooth-scroll\" data-dialog-title=\"Table of Contents\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">reshape(1,-1)\u3068reshape(-1,1)\u3068\u306f<\/a>    <ul class=\"menu_level_1\">      <li class=\"first last\">        <a href=\"#i-1\">reshape()\u306e\u307e\u3068\u3081<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-2\">Python\u3092\u52b9\u7387\u3088\u304f\u5b66\u3076\u306b\u306f\uff1f<\/a>  <\/li><\/ul>\n      \n    <\/div><\/div><div class=\"toc\"><p><\/p>\n<\/div><h2 class=\"wp-block-heading\" id=\"i-1\">reshape()\u306e\u307e\u3068\u3081<\/h2>\n\n\n\n<p><meta charset=\"utf-8\">\u30c7\u30fc\u30bf\u304c1\u3064\u3068\u3044\u3046\u306e\u306f1\u8981\u7d20\u306a\u306e\u3067\u3001 1\u8981\u7d20\u306e2\u6b21\u5143\u914d\u5217\uff082\u6b21\u51431\u884c\u306e\u914d\u5217\uff09\u3092\u4f5c\u308a\u305f\u3044\u5834\u5408\u306b\u306f\u3001 reshape(1, 1)\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np \nary = np.array([1])\nary.reshape(1,1)<\/code><\/pre>\n\n\n\n<p><meta charset=\"utf-8\">\u51fa\u529b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>array([[1]])<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a<meta charset=\"utf-8\">ry.shape # (1,) \nary.reshape(1,1).shape # (1, 1)<\/code><\/pre>\n\n\n\n<p><meta charset=\"utf-8\">1\u8981\u7d201\u6b21\u5143\u3060\u3063\u305fary\u304creshape(1,1)\u306b\u3088\u3063\u3066\u3001 1\u8981\u7d20\u306e2\u6b21\u51431\u884c\u306e\u914d\u5217\u306b\u5909\u63db\u3055\u308c\u3066\u3044\u307e\u3059\u3002 2\u6b21\u51431\u5217\u306e\u914d\u5217\u3078\u306e\u5909\u5f62\u3057\u305f\u3044\u5834\u5408\u306f\u3001 reshape(-1, 1)\u3068\u3059\u308b\u3068\u3001\u305d\u306e\u914d\u5217\u3092\u8981\u7d20\u3068\u3059\u308b2\u6b21\u51431\u5217\u306e\u914d\u5217\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><a href=\"https:\/\/aiacademy.jp\/texts\/show\/?id=589&amp;context=subject-python4\">https:\/\/aiacademy.jp\/texts\/show\/?id=589&amp;context=subject-python4<\/a><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-2\">Python\u3092\u52b9\u7387\u3088\u304f\u5b66\u3076\u306b\u306f\uff1f<\/h1>\n\n\n\n<p>Python\u3092\u52b9\u7387\u3088\u304f\u5b66\u3076\u306b\u306f\u3001\u666e\u6bb5\u304b\u3089Python\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u73fe\u5f79\u306e\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30c6\u30a3\u30b9\u30c8\u3084\u6a5f\u68b0\u5b66\u7fd2\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u8cea\u554f\u3067\u304d\u308b\u74b0\u5883\u3067\u5b66\u3076\u3053\u3068\u3067\u3059\u3002<br>\u8cea\u554f\u3057\u653e\u984c\u304b\u3064\u3001\u4f53\u7cfb\u7684\u306b\u5b66\u3079\u308b\u52d5\u753b\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u30c7\u30fc\u30bf\u5206\u6790\u6280\u8853\u3092\u5b66\u3073\u305f\u3044\u65b9\u306f\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u597d\u304d\u306a\u6642\u9593\u306b\u52c9\u5f37\u3067\u304d\u308b<a href=\"https:\/\/aiacademy.jp\/bootcamp\">AI Academy Bootcamp<\/a>\u304c\u30aa\u30b9\u30b9\u30e1\u3067\u3059\u3002\u53d7\u8b1b\u6599\u3082\u696d\u754c\u6700\u5b89\u5024\u306e35,000\u5186\uff08\uff16\u30f6\u6708\u9593\u8cea\u554f\u3057\u653e\u984c\uff0b\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u52d5\u753b\u30b3\u30f3\u30c6\u30f3\u30c4\u3001\u30c6\u30ad\u30b9\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u5229\u7528\u53ef\u80fd\uff09\u306a\u306e\u3067\u3001\u662f\u975e\u3054\u6d3b\u7528\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/aiacademy.jp\/bootcamp\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"341\" src=\"https:\/\/aiacademy.jp\/media\/wp-content\/uploads\/2021\/12\/bootcamp_banner2-1024x341.png\" alt=\"\" class=\"wp-image-587\" srcset=\"https:\/\/aiacademy.jp\/media\/wp-content\/uploads\/2021\/12\/bootcamp_banner2-1024x341.png 1024w, https:\/\/aiacademy.jp\/media\/wp-content\/uploads\/2021\/12\/bootcamp_banner2-300x100.png 300w, https:\/\/aiacademy.jp\/media\/wp-content\/uploads\/2021\/12\/bootcamp_banner2-768x256.png 768w, https:\/\/aiacademy.jp\/media\/wp-content\/uploads\/2021\/12\/bootcamp_banner2-940x313.png 940w, https:\/\/aiacademy.jp\/media\/wp-content\/uploads\/2021\/12\/bootcamp_banner2.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>reshape(1,-1)\u3068reshape(-1,1)\u3068\u306f (1, -1) \u3084 (-1, 1) \u3092\u6307\u5b9a\u3059\u308b\u3068\uff0c\u305d\u308c\u305e\u308c2\u6b21\u5143\u306e\u6a2a\u30d9\u30af\u30c8\u30eb\u3084\u7e26\u30d9\u30af\u30c8\u30eb\u3092\u7c21\u4fbf\u306b\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 1\u6b21\u5143\u914d\u5217\u306b\u5bfe\u3057\u3066reshape(1, &#8211; &#8230; <\/p>\n","protected":false},"author":1,"featured_media":1733,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[],"class_list":{"0":"post-1732","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-python"},"_links":{"self":[{"href":"https:\/\/aiacademy.jp\/media\/index.php?rest_route=\/wp\/v2\/posts\/1732","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aiacademy.jp\/media\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aiacademy.jp\/media\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aiacademy.jp\/media\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aiacademy.jp\/media\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1732"}],"version-history":[{"count":4,"href":"https:\/\/aiacademy.jp\/media\/index.php?rest_route=\/wp\/v2\/posts\/1732\/revisions"}],"predecessor-version":[{"id":4800,"href":"https:\/\/aiacademy.jp\/media\/index.php?rest_route=\/wp\/v2\/posts\/1732\/revisions\/4800"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aiacademy.jp\/media\/index.php?rest_route=\/wp\/v2\/media\/1733"}],"wp:attachment":[{"href":"https:\/\/aiacademy.jp\/media\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aiacademy.jp\/media\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aiacademy.jp\/media\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}