{"id":313,"date":"2023-07-06T11:36:06","date_gmt":"2023-07-06T11:36:06","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e6%81%92%e7%ad%89%e8%a1%8c%e5%88%97%e3%81%be%e3%81%9f%e3%81%af%e5%8d%98%e4%b8%80%e8%a1%8c%e5%88%97\/"},"modified":"2023-07-06T11:36:06","modified_gmt":"2023-07-06T11:36:06","slug":"%e6%81%92%e7%ad%89%e8%a1%8c%e5%88%97%e3%81%be%e3%81%9f%e3%81%af%e5%8d%98%e4%b8%80%e8%a1%8c%e5%88%97","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e6%81%92%e7%ad%89%e8%a1%8c%e5%88%97%e3%81%be%e3%81%9f%e3%81%af%e5%8d%98%e4%b8%80%e8%a1%8c%e5%88%97\/","title":{"rendered":"\u5358\u4f4d\u307e\u305f\u306f\u884c\u5217\u5358\u4f4d"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3 (\u307e\u305f\u306f\u30e6\u30cb\u30c3\u30c8) \u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3068\u306f\u4f55\u304b\u3068\u3001\u3044\u304f\u3064\u304b\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u5358\u4f4d\u884c\u5217\u306e\u7279\u6027\u3001\u3053\u306e\u30bf\u30a4\u30d7\u306e\u884c\u5217\u306e\u64cd\u4f5c\u65b9\u6cd5\u3001\u884c\u5217\u5f0f\u306e\u7d50\u679c\u306b\u3064\u3044\u3066\u3082\u8aac\u660e\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001\u3053\u306e\u975e\u5e38\u306b\u7279\u6b8a\u306a\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u304c\u6301\u3064\u5fdc\u7528\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u5358\u4f4d\u884c\u5217\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"> <strong>ID (\u307e\u305f\u306f\u5358\u4f4d) \u884c\u5217\u306f\u3001<\/strong>\u4e3b\u5bfe\u89d2\u3092\u9664\u304d\u3001\u3059\u3079\u3066\u306e\u8981\u7d20\u304c 1 (1) \u3067\u3042\u308b\u30bc\u30ed (0) \u3067\u6e80\u305f\u3055\u308c\u305f\u6b63\u65b9\u884c\u5217\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u6052\u7b49\u884c\u5217\u307e\u305f\u306f\u7d71\u4e00\u884c\u5217\u306e\u5b9a\u7fa9\u3067\u3059\u304c\u3001\u4f8b\u3092\u901a\u3057\u3066\u3088\u308a\u660e\u78ba\u306b\u7406\u89e3\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u6052\u7b49\u884c\u5217\u306e\u4f8b<\/h2>\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#1976d2\"><span style=\"text-decoration: underline;\">2\u00d72\u6b21\u5143\u306e\u5358\u4f4d\u884c\u5217\u306e\u4f8b<\/span><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/identite-matrice-ou-dimension-unique-22152-1.webp\" alt=\"\u6b21\u5143 2x2 \u306e\u4e00\u610f\u306e ID \u307e\u305f\u306f\u884c\u5217\" class=\"wp-image-1968\" width=\"77\" height=\"79\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#1976d2\"> <span style=\"text-decoration: underline;\">3\u00d73 \u6b21\u306e\u6052\u7b49\u884c\u5217\u306e\u4f8b<\/span><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/matrice-identite-ou-dimension-unique-32153-1.webp\" alt=\"\u6b21\u5143 3x3 \u306e\u6052\u7b49\u884c\u5217\u307e\u305f\u306f\u4e00\u610f\u306e\u884c\u5217\" class=\"wp-image-1969\" width=\"109\" height=\"117\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#1976d2\"><span style=\"text-decoration: underline;\">\u30b5\u30a4\u30ba 4\u00d74 \u306e\u6052\u7b49\u884c\u5217\u306e\u4f8b<\/span><\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/identite-matrice-ou-dimension-unique-42154-1.webp\" alt=\"\u6b21\u5143 4x4 \u306e\u6052\u7b49\u884c\u5217\u307e\u305f\u306f\u4e00\u610f\u306e\u884c\u5217\" class=\"wp-image-1970\" width=\"138\" height=\"140\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u3054\u89a7\u306e\u3068\u304a\u308a\u3001\u5358\u4f4d\u884c\u5217\u3092\u69cb\u7bc9\u3059\u308b\u306b\u306f\u3001\u540c\u3058\u624b\u9806\u306b\u5f93\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e3b\u5bfe\u89d2\u306b 1 (1) \u3092\u7f6e\u304d\u3001\u6b8b\u308a\u306f\u3059\u3079\u3066 0 (0) \u3067\u3059\u3002\u5909\u308f\u308b\u306e\u306f\u30c6\u30fc\u30d6\u30eb\u306e\u30b5\u30a4\u30ba\u3060\u3051\u3067\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u8b58\u5225\u30c6\u30fc\u30d6\u30eb\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/h2>\n<p>\u5358\u4f4d\u884c\u5217\u3001\u5358\u4f4d\u884c\u5217\u3001\u307e\u305f\u306f\u540c\u4e00\u884c\u5217\u3055\u3048\u3082\u6570\u5b66\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u3053\u306e\u30bf\u30a4\u30d7\u306e\u884c\u5217\u304c\u6301\u3064\u6b21\u306e\u7279\u6027\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u5358\u4f4d\u884c\u5217\u306f<strong><span style=\"color:#1976d2;\">\u5bfe\u89d2\u884c\u5217<\/span><\/strong>\u306e\u4e00\u4f8b\u3067\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u30e6\u30cb\u30bf\u30ea\u884c\u5217\u306f\u3001\u4e0a\u4e09\u89d2\u884c\u5217\u3068\u4e0b<strong><span style=\"color:#1976d2;\">\u4e09\u89d2\u884c\u5217\u306e<\/span><\/strong>\u4e21\u65b9\u3067\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u5358\u4f4d\u884c\u5217\u3082<span style=\"color:#1976d2;\"><strong>\u5bfe\u79f0\u884c\u5217<\/strong><\/span>\u3067\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u5358\u4f4d\u884c\u5217\u306e<span style=\"color:#1976d2;\"><strong>\u4ee3\u7406\u306f<\/strong><\/span>\u305d\u308c\u81ea\u4f53\u3067\u3059\u3002<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-16454b80729e9e2059e118dfc5ba2f8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{Adj}(I) =\\begin{pmatrix} 1&amp;0&amp;0\\\\[1.1ex] 0&amp;1&amp;0 \\\\[1.1ex] 0&amp;0&amp;1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"161\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u53ef\u9006\u884c\u5217\u3067\u3059\u3002\u305d\u3057\u3066\u3001\u968f\u4f34\u306b\u3064\u3044\u3066\u306f\u3001<span style=\"color:#1976d2;\"><strong>\u5358\u4f4d\u884c\u5217\u306e\u9006\u884c\u5217<\/strong><\/span>\u81ea\u4f53\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8e9ca14cfbc1b230347abb6e36464e9c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle I^{-1}=\\begin{pmatrix} 1&amp;0&amp;0\\\\[1.1ex] 0&amp;1&amp;0 \\\\[1.1ex] 0&amp;0&amp;1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"137\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u4efb\u610f\u306e<strong><span style=\"color:#1976d2;\">\u30b9\u30ab\u30e9\u30fc\u884c\u5217\u306f\u3001<\/span><\/strong>\u6570\u5024\u3068\u5358\u4f4d\u884c\u5217\u306e\u4e57\u7b97\u304b\u3089\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-9ba48a8806ab085937939bada831e91e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 3\\cdot \\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix}  = \\begin{pmatrix} 3 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 3 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 3 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"221\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u540c\u4e00\u884c\u5217\u306e\u3059\u3079\u3066\u306e<span style=\"color:#1976d2;\"><strong>\u56fa\u6709\u5024 (\u307e\u305f\u306f\u56fa\u6709\u5024)<\/strong><\/span>\u306f 1 \u3067\u3059\u3002<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-8b9a461140ed125bbcc26d551b255cdc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix} \\longrightarrow \\ \\lambda = 1 \\ ; \\ \\lambda = 1 \\ ; \\ \\lambda = 1\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"297\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u6700\u5f8c\u306b\u3001\u5358\u4f4d\u884c\u5217\u3082<span style=\"color:#1976d2;\"><strong>\u7f6e\u63db\u884c\u5217<\/strong><\/span>\u306e\u4f8b\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"> ID (\u307e\u305f\u306f\u5358\u4f4d) \u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3057\u305f\u64cd\u4f5c<\/h2>\n<p>\u3042\u306a\u305f\u306f\u304a\u305d\u3089\u304f\u6b21\u306e\u3088\u3046\u306b\u8003\u3048\u3066\u3044\u308b\u3067\u3057\u3087\u3046: \u3053\u308c\u306f\u3059\u3079\u3066\u975e\u5e38\u306b\u826f\u3044\u3053\u3068\u3067\u3059\u304c\u2026\u3001\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3 \u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306f\u4f55\u306e\u305f\u3081\u306b\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b?\u305d\u308c\u304c 0 \u3068 1 \u3092\u542b\u3080\u30c6\u30fc\u30d6\u30eb\u3060\u3063\u305f\u3089\u3088\u304b\u3063\u305f\u306e\u306b\u3002<\/p>\n<p>\u307e\u3060\u3053\u306e\u30c8\u30d4\u30c3\u30af\u3092\u53d6\u308a\u4e0a\u3052\u3066\u3044\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5358\u4f4d\u884c\u5217\u306f\u6570\u5b66\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u5b9f\u969b\u3001\u3053\u306e\u30bf\u30a4\u30d7\u306e\u6b63\u65b9\u884c\u5217\u306f\u7dda\u5f62\u4ee3\u6570\u3067\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u5358\u4f4d\u884c\u5217\u306e\u4e3b\u306a\u6709\u7528\u6027\u306f\u3001\u884c\u5217\u6f14\u7b97\u306e\u8a08\u7b97\u304c\u5bb9\u6613\u306b\u306a\u308b\u3053\u3068\u3067\u3059\u3002\u305d\u308c\u3067\u306f\u3001\u6052\u7b49\u884c\u5217\u3092\u64cd\u4f5c\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<h3 class=\"wp-block-heading\">\u6052\u7b49\u884c\u5217\u3092\u4f7f\u3063\u305f\u52a0\u7b97\u3068\u6e1b\u7b97<\/h3>\n<p>\u4ed6\u306e\u8981\u7d20\u3092\u5909\u66f4\u305b\u305a\u306b\u884c\u5217\u306e\u4e3b\u5bfe\u89d2\u306b\u6570\u5024\u3092\u52a0\u7b97 (\u307e\u305f\u306f\u6e1b\u7b97) \u3059\u308b 1 \u3064\u306e\u65b9\u6cd5\u306f\u5358\u4f4d\u884c\u5217\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u5358\u4f4d\u884c\u5217\u306f\u305d\u308c\u3089\u306e\u6570\u5024\u306b 1 \u5358\u4f4d\u306e\u307f\u3092\u52a0\u7b97 (\u307e\u305f\u306f\u6e1b\u7b97) \u3059\u308b\u305f\u3081\u3067\u3059\u3002\u8981\u7d20:<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-4a357b8c79a1f4f70a5dcdeadcbe3e46_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 3 &amp; 4 &amp; -1 \\\\[1.1ex] -2 &amp; 0 &amp; 5 \\\\[1.1ex] 9 &amp; 6 &amp; -7 \\end{pmatrix}+\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix} = \\begin{pmatrix} 4 &amp; 4 &amp; -1 \\\\[1.1ex] -2 &amp; 1 &amp; 5 \\\\[1.1ex] 9 &amp; 6 &amp; -6 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"361\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2f549edd3cac0340615dae86bf7e2932_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 1 &amp; 7 &amp; 4 \\\\[1.1ex] 8 &amp; -2 &amp; 3 \\\\[1.1ex] 0 &amp; 5 &amp; 9 \\end{pmatrix}-\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix} = \\begin{pmatrix} 0 &amp; 7 &amp; 4 \\\\[1.1ex] 8 &amp; -3 &amp; 3 \\\\[1.1ex] 0 &amp; 5 &amp; 8 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"333\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u6700\u521d\u306b\u5358\u4f4d\u884c\u5217\u306b\u30b9\u30ab\u30e9\u30fc\u3092\u4e57\u7b97\u3059\u308b\u3053\u3068\u3067\u3001\u5bfe\u89d2\u8981\u7d20\u306b\u3055\u3089\u306b\u5358\u4f4d\u3092\u52a0\u7b97\u307e\u305f\u306f\u6e1b\u7b97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-85520cb04e8697d315a6e5002c8e1dea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 3 &amp; 4 &amp; -1 \\\\[1.1ex] -2 &amp; 0 &amp; 5 \\\\[1.1ex] 9 &amp; 6 &amp; -7 \\end{pmatrix}+5\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix} = \\begin{pmatrix} 8 &amp; 4 &amp; -1 \\\\[1.1ex] -2 &amp; 5 &amp; 5 \\\\[1.1ex] 9 &amp; 6 &amp; -2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"373\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a90c8c3b8f9635561f6c85e7b003734c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 1 &amp; 7 &amp; 4 \\\\[1.1ex] 8 &amp; -2 &amp; 3 \\\\[1.1ex] 0 &amp; 5 &amp; 9 \\end{pmatrix}-4\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix} = \\begin{pmatrix} -3 &amp; 7 &amp; 4 \\\\[1.1ex] 8 &amp; -6 &amp; 3 \\\\[1.1ex] 0 &amp; 5 &amp; 5 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"359\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\"> \u884c\u5217\u3068\u5358\u4f4d\u884c\u5217\u306e\u4e57\u7b97<\/h3>\n<p>\u884c\u5217\u306b\u5358\u4f4d\u884c\u5217\u3092\u4e57\u7b97\u3059\u308b\u3068\u3001\u884c\u5217\u306f<span style=\"text-decoration: underline;\">\u4e2d\u7acb\u8981\u7d20<\/span>\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u884c\u5217\u306b\u5358\u4f4d\u884c\u5217\u3092\u4e57\u7b97\u3059\u308b\u3068\u3001\u7d50\u679c\u306f\u540c\u3058\u884c\u5217\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u4f8b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-345f47fb447c1877462d8c9358f8eb89_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} -3 &amp; 1 &amp; 0 \\\\[1.1ex] 5 &amp; 2 &amp; -4 \\\\[1.1ex] 1 &amp; 0 &amp; 6 \\end{pmatrix}\\cdot \\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix} =  \\begin{pmatrix} -3 &amp; 1 &amp; 0 \\\\[1.1ex] 5 &amp; 2 &amp; -4 \\\\[1.1ex] 1 &amp; 0 &amp; 6 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"352\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3055\u3089\u306b\u3001\u884c\u5217\u306e\u7a4d\u306e\u610f\u5473\u306f\u7121\u95a2\u4fc2\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u7d50\u679c\u306f\u5e38\u306b\u540c\u3058\u884c\u5217\u306b\u306a\u308b\u305f\u3081\u3001\u5358\u4f4d\u884c\u5217\u306b\u53f3\u3092\u4e57\u7b97\u3059\u308b\u304b\u5de6\u3092\u4e57\u7b97\u3059\u308b\u304b\u306f\u554f\u984c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u3092\u5b9f\u8a3c\u3059\u308b\u305f\u3081\u306b\u3001\u524d\u306e\u6f14\u7fd2\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u6052\u7b49\u884c\u5217\u306b\u53cd\u5bfe\u5074\u3092\u4e57\u7b97\u3057\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b9a6c50074dc2594054453a6b53f4862_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix}\\cdot \\displaystyle \\begin{pmatrix} -3 &amp; 1 &amp; 0 \\\\[1.1ex] 5 &amp; 2 &amp; -4 \\\\[1.1ex] 1 &amp; 0 &amp; 6 \\end{pmatrix} =  \\begin{pmatrix} -3 &amp; 1 &amp; 0 \\\\[1.1ex] 5 &amp; 2 &amp; -4 \\\\[1.1ex] 1 &amp; 0 &amp; 6 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"347\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\">\u5358\u4f4d\u884c\u5217\u306e\u529b<\/h3>\n<p>\u884c\u5217\u3092\u7d2f\u4e57\u3059\u308b\u6307\u6570\u3084\u884c\u5217\u306e\u6b21\u5143\u306b\u95a2\u4fc2\u306a\u304f\u3001\u5358\u4f4d\u884c\u5217\u306e\u7d2f\u4e57\u306f\u5e38\u306b\u5358\u4f4d\u884c\u5217\u306b\u306a\u308a\u307e\u3059\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e8dbc082f20a9a9b5b5c9b1b443833c4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix}\\right. ^2 =\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"89\" width=\"204\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-67a36555e36ab97ce2c663bf32c8e97d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{pmatrix} 1 &amp; 0 \\\\[1.1ex] 0 &amp; 1 \\end{pmatrix}\\right. ^3 =\\begin{pmatrix} 1 &amp; 0  \\\\[1.1ex] 0 &amp; 1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"58\" width=\"149\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-2efa9dcf6ec3b986aaff19701a794899_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{pmatrix} 1 &amp; 0 &amp; 0 &amp; 0\\\\[1.1ex] 0 &amp; 1 &amp; 0 &amp; 0\\\\[1.1ex] 0 &amp; 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0&amp; 0 &amp;0&amp;1\\end{pmatrix}\\right. ^5 =\\begin{pmatrix} 1 &amp; 0 &amp; 0 &amp; 0\\\\[1.1ex] 0 &amp; 1 &amp; 0 &amp; 0\\\\[1.1ex] 0 &amp; 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0&amp; 0 &amp;0&amp;1\\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"114\" width=\"254\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-14cad3370ec38fd0ed7ebb3a5fa96282_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\left.\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix}\\right. ^n =\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"205\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-118\"><\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">\u5358\u4f4d\u884c\u5217\u306e\u884c\u5217\u5f0f<\/h2>\n<p>\u3059\u3067\u306b\u60f3\u50cf\u3057\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001Identity (\u307e\u305f\u306f Unit) \u884c\u5217\u306e\u884c\u5217\u5f0f\u306f\u3001\u884c\u5217\u306e\u6b21\u5143\u306b\u95a2\u4fc2\u306a\u304f\u3001<strong>\u5e38\u306b 1 \u306b\u7b49\u3057\u304f\u306a\u308a\u307e\u3059<\/strong>\u3002 <\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-718871901f1660f8f5202ea312c39584_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\begin{vmatrix} 1 &amp; 0  \\\\[1.1ex] 0 &amp; 1  \\end{vmatrix} = \\bm{1}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"75\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b5971cf3c43e11184380d55d43f69ba8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\begin{vmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{vmatrix}=\\bm{1}\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"100\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-a4efd00fdafcbe456d1b5060344fe8d5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\begin{vmatrix} 1 &amp; 0 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 0 &amp; 1 \\end{vmatrix}=\\bm{1}\" title=\"Rendered by QuickLaTeX.com\" height=\"108\" width=\"125\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\">\u6052\u7b49\u884c\u5217\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h2>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-119\"><\/div>\n<\/div>\n<p>\u6700\u5f8c\u306b\u3001\u3053\u3053\u307e\u3067\u306e\u60c5\u5831\u3092\u3059\u3079\u3066\u8aad\u3093\u3060\u5f8c\u3001\u5358\u4f4d\u884c\u5217\u304c\u306a\u305c\u305d\u308c\u307b\u3069\u91cd\u8981\u306a\u306e\u304b\u3068\u3044\u3046\u5178\u578b\u7684\u306a\u8cea\u554f\u3078\u306e\u7b54\u3048\u65b9\u306f\u304a\u305d\u3089\u304f\u3059\u3067\u306b\u3054\u5b58\u77e5\u3067\u3057\u3087\u3046\u3002\u30ea\u30e9\u30c3\u30af\u30b9\u3057\u3066\u304f\u3060\u3055\u3044\u3001\u79c1\u3082\u4ee5\u524d\u306b\u3053\u306e\u8cea\u554f\u3092\u81ea\u5206\u81ea\u8eab\u306b\u554f\u3044\u304b\u3051\u307e\u3057\u305f\u3002 \ud83d\ude02<\/p>\n<p class=\"has-text-align-left\">\u304a\u6c17\u3065\u304d\u306e\u3068\u304a\u308a\u3001\u6052\u7b49\u884c\u5217\u306b\u306f\u591a\u304f\u306e\u7528\u9014\u304c\u3042\u308a\u3001\u305d\u308c\u304c\u975e\u5e38\u306b\u8208\u5473\u6df1\u3044\u7406\u7531\u3067\u3059\u3002\u30e6\u30cb\u30c3\u30c8\u884c\u5217\u306e\u7528\u9014\u306e 1 \u3064\u306f\u6f14\u7b97\u3067\u3059\u3002\u3053\u308c\u307e\u3067\u898b\u3066\u304d\u305f\u3088\u3046\u306b\u3001\u30e6\u30cb\u30c3\u30c8\u884c\u5217\u3092\u4f7f\u7528\u3057\u3066\u884c\u5217\u6f14\u7b97\u3092\u5b9f\u884c\u3059\u308b\u306e\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3001\u5358\u4f4d\u884c\u5217\u306f<span style=\"text-decoration: underline;\"><a href=\"https:\/\/mathority.org\/ja\/\u884c\u5217\u65b9\u7a0b\u5f0f\u306e\u89e3\u304d\u65b9\u306e\u4f8b\u3068-2x2-\u304a\u3088\u3072\u3099-3x3-\u884c\u5217\u306e\u6f14\u7fd2\u554f\u984c\/\">\u884c\u5217\u65b9\u7a0b\u5f0f<\/a><\/span>\u3092\u89e3\u304f\u305f\u3081\u306b\u3082\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u6b21\u306e\u9006\u884c\u5217\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u884c\u5217\u3068\u305d\u306e\u9006\u884c\u5217\u306e\u4e57\u7b97\u306f\u5358\u4f4d\u884c\u5217\u306b\u7b49\u3057\u3044\u3067\u3059\u3002\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u884c\u5217\u3092\u4f7f\u7528\u3057\u3066\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\u65b9\u6cd5\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u5358\u4f4d\u884c\u5217\u306f\u3001\u30ac\u30a6\u30b9\u6cd5\u306b\u3088\u308b\u9006\u884c\u5217\u306e\u8a08\u7b97\u306b\u3082\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001\u5358\u4f4d\u884c\u5217\u306e\u96a3\u306b\u884c\u5217\u3092\u914d\u7f6e\u3057\u3066\u3001\u3088\u308a\u5927\u304d\u306a\u884c\u5217\u3092\u5f62\u6210\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u884c\u306b\u57fa\u672c\u6f14\u7b97\u3092\u9069\u7528\u3057\u3066\u3001\u5143\u306e\u884c\u5217\u3092\u5358\u4f4d\u884c\u5217\u306b\u5909\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u975e\u5e38\u306b\u8907\u96d1\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u5b9f\u969b\u306f\u305d\u308c\u307b\u3069\u8907\u96d1\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u624b\u9806\u5168\u4f53\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001\u3088\u308a\u8208\u5473\u304c\u3042\u308b\u5834\u5408\u306f\u3001Web \u30da\u30fc\u30b8\u306e\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3067\u884c\u5217\u3092\u53cd\u8ee2\u3059\u308b\u65b9\u6cd5\u3092\u691c\u7d22\u3057\u3066\u304f\u3060\u3055\u3044 (\u4e0a\u304b\u3089\u53f3\u3078)\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u3001\u6052\u7b49\u884c\u5217\u306f\u3001\u884c\u5217\u3092\u5bfe\u89d2\u5316\u3057\u3001\u305d\u306e\u56fa\u6709\u5024 (\u307e\u305f\u306f\u56fa\u6709\u5024) \u3092\u8a08\u7b97\u3059\u308b\u306e\u306b\u3082\u5f79\u7acb\u3061\u307e\u3059\u3002\u5358\u4f4d\u884c\u5217\u304c\u4ecb\u5165\u3059\u308b\u7279\u5b9a\u306e\u6f14\u7b97\u306b\u3088\u3063\u3066\u3001\u56fa\u6709\u5024\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306e\u7279\u6027\u591a\u9805\u5f0f\u3092\u53d6\u5f97\u3067\u304d\u308b\u305f\u3081\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u308c\u306f\u3059\u3067\u306b\u975e\u5e38\u306b\u9ad8\u5ea6\u306a\u4e3b\u984c\u3067\u3042\u308b\u305f\u3081\u3001\u884c\u5217\u306e\u5bfe\u89d2\u5316\u306b\u7279\u5316\u3057\u305f\u8d85\u5305\u62ec\u7684\u306a\u30da\u30fc\u30b8\u5168\u4f53\u3092\u7528\u610f\u3057\u3001\u4f8b\u3068\u305d\u308c\u3092\u8aac\u660e\u3059\u308b\u89e3\u6c7a\u6e08\u307f\u306e\u6f14\u7fd2\u3092\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u8208\u5473\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3 (\u53f3\u4e0a) 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