{"id":307,"date":"2023-07-06T12:44:55","date_gmt":"2023-07-06T12:44:55","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e5%af%be%e8%a7%92%e8%a1%8c%e5%88%97\/"},"modified":"2023-07-06T12:44:55","modified_gmt":"2023-07-06T12:44:55","slug":"%e5%af%be%e8%a7%92%e8%a1%8c%e5%88%97","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e5%af%be%e8%a7%92%e8%a1%8c%e5%88%97\/","title":{"rendered":"\u5bfe\u89d2\u884c\u5217"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u5bfe\u89d2\u884c\u5217\u3068\u306f\u4f55\u304b\u3001\u304a\u3088\u3073\u5bfe\u89d2\u884c\u5217\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u3053\u306e\u30bf\u30a4\u30d7\u306e\u884c\u5217\u3092\u64cd\u4f5c\u3059\u308b\u65b9\u6cd5\u3001\u884c\u5217\u5f0f\u3092\u7c21\u5358\u306b\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3001\u304a\u3088\u3073\u884c\u5217\u5f0f\u3092\u9006\u306b\u3059\u308b\u65b9\u6cd5\u3082\u5b66\u3073\u307e\u3059\u3002\u5bfe\u89d2\u884c\u5217\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u5fdc\u7528\u3082\u3042\u308a\u307e\u3059\u3002\u6700\u5f8c\u306b\u30012 \u91cd\u5bfe\u89d2\u884c\u5217\u3068 3 \u91cd\u5bfe\u89d2\u884c\u5217\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u5bfe\u89d2\u884c\u5217\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"><strong>\u5bfe\u89d2\u884c\u5217\u306f\u3001<\/strong>\u4e3b\u5bfe\u89d2\u7dda\u4e0a\u306b\u306a\u3044\u3059\u3079\u3066\u306e\u8981\u7d20\u304c\u30bc\u30ed (0) \u3067\u3042\u308b\u6b63\u65b9\u884c\u5217\u3067\u3059\u3002\u4e3b\u5bfe\u89d2\u7dda\u306e\u8981\u7d20\u306f\u30bc\u30ed\u3067\u3042\u308b\u5834\u5408\u3082\u3042\u308c\u3070\u3001\u30bc\u30ed\u3067\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u5bfe\u89d2\u884c\u5217\u306e\u6b63\u78ba\u306a\u5b9a\u7fa9\u304c\u308f\u304b\u3063\u305f\u3089\u3001\u5bfe\u89d2\u884c\u5217\u306e\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u5bfe\u89d2\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 \u00d7 2 \u6b21\u5143\u306e\u5bfe\u89d2\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\/exemple-matrice-diagonale-22152-1.webp\" alt=\"2x2 \u5bfe\u89d2\u884c\u5217\u306e\u4f8b\" class=\"wp-image-1728\" width=\"73\" height=\"74\" 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\u5bfe\u89d2\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\/exemple-matrice-diagonale-32153-1.webp\" alt=\"3x3 \u5bfe\u89d2\u884c\u5217\u306e\u4f8b\" class=\"wp-image-1729\" width=\"125\" height=\"114\" 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\u5bfe\u89d2\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\/exemple-matrice-diagonale-42154-1.webp\" alt=\"4x4 \u5bfe\u89d2\u884c\u5217\u306e\u4f8b\" class=\"wp-image-1730\" width=\"161\" height=\"143\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u3053\u308c\u3089\u306e\u30bf\u30a4\u30d7\u306e\u884c\u5217\u306f\u901a\u5e38\u3001\u5bfe\u89d2\u8981\u7d20\u3092\u793a\u3057\u3066\u8a18\u8ff0\u3055\u308c\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-14216c3a6fd6e7bfd4c9d78ac2a4765c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"diag(2,5,1) = \\left. \\begin{pmatrix} 2 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 5 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"196\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\">\u5bfe\u89d2\u884c\u5217\u3092\u4f7f\u7528\u3057\u305f\u6f14\u7b97<\/h2>\n<p>\u5bfe\u89d2\u884c\u5217\u304c\u7dda\u5f62\u4ee3\u6570\u306b\u3068\u3063\u3066\u975e\u5e38\u306b\u91cd\u8981\u3067\u3042\u308b\u7406\u7531\u306e 1 \u3064\u306f\u3001\u5bfe\u89d2\u884c\u5217\u3092\u4f7f\u7528\u3059\u308b\u3068\u8a08\u7b97\u304c\u5bb9\u6613\u306b\u306a\u308b\u305f\u3081\u3067\u3059\u3002\u3053\u308c\u304c\u3001\u305d\u308c\u3089\u304c\u6570\u5b66\u3067\u975e\u5e38\u306b\u4f7f\u7528\u3055\u308c\u308b\u7406\u7531\u3067\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u5bfe\u89d2\u884c\u5217\u306e\u52a0\u7b97\u3068\u6e1b\u7b97<\/h3>\n<p>2 \u3064\u306e\u5bfe\u89d2\u884c\u5217\u306e\u52a0\u7b97 (\u304a\u3088\u3073\u6e1b\u7b97) \u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002\u5bfe\u89d2\u7dda\u4e0a\u306e\u6570\u5024\u3092\u52a0\u7b97 (\u307e\u305f\u306f\u6e1b\u7b97) \u3059\u308b\u3060\u3051\u3067\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-6f7d2e19d548ee0d53465992ebac7fb0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{diag}(a_1,... ,a_n) \\pm \\text{diag}(b_1 ,... , b_n) = \\text{diag}(a_1\\pm b_1,..., a_n\\pm b_n)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"454\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u4f8b\u3048\u3070\uff1a<\/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-e659649fca7fe55f33c0f3452e8c46f2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 5 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; -2 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 6 \\end{pmatrix} +\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 3 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; -4 \\end{pmatrix} = \\begin{pmatrix} 6&amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 2 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"333\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\">\u5bfe\u89d2\u884c\u5217\u306e\u4e57\u7b97<\/h3>\n<p>2 \u3064\u306e\u5bfe\u89d2\u884c\u5217\u306e\u4e57\u7b97\u307e\u305f\u306f\u884c\u5217\u7a4d\u3092\u89e3\u304f\u306b\u306f\u3001\u5358\u7d14\u306b\u5bfe\u89d2\u8981\u7d20\u3092\u639b\u3051\u5408\u308f\u305b\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-88d1625220fe5fd9bda3767f15b59372_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{diag}(a_1,... ,a_n) \\cdot \\text{diag}(b_1 ,... , b_n) = \\text{diag}(a_1\\cdot b_1,..., a_n\\cdot b_n)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"427\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u4f8b\u3048\u3070\uff1a<\/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-0bcb4a59778cc41eed67dce0bc384682_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; -4 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; -3 \\end{pmatrix} \\cdot\\begin{pmatrix} 5 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; -2 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 6 \\end{pmatrix} = \\begin{pmatrix} 5 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 8 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; -18 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"361\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h3 class=\"wp-block-heading\">\u5bfe\u89d2\u884c\u5217\u306e\u529b<\/h3>\n<p>\u5bfe\u89d2\u884c\u5217\u306e\u3079\u304d\u4e57\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u5bfe\u89d2\u884c\u5217\u306e\u5404\u8981\u7d20\u3092\u6307\u6570\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\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-fcfe6475c0d4ea75691ed4c9bdaa64cf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A= \\text{diag}(a_1,... ,a_n)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"148\" style=\"vertical-align: -5px;\"><\/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-b93b6a0717632e9bee22dcc5f5799f63_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^k= \\text{diag}(a_1^k,... ,a_n^k)\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"157\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u4f8b\u3048\u3070\uff1a <\/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-4d27337283f4b6029bff166fb8e3458d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\left. \\begin{pmatrix} 3 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 2 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 4 \\end{pmatrix}\\right.^3= \\begin{pmatrix} 27 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 8 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 64 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"89\" width=\"221\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<h2 class=\"wp-block-heading\">\u5bfe\u89d2\u884c\u5217\u306e\u884c\u5217\u5f0f<\/h2>\n<p><strong>\u5bfe\u89d2\u884c\u5217\u306e\u884c\u5217\u5f0f\u306f\u3001<\/strong>\u4e3b\u5bfe\u89d2\u8981\u7d20\u306e\u7a4d\u3067\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-fcfe6475c0d4ea75691ed4c9bdaa64cf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A= \\text{diag}(a_1,... ,a_n)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"148\" style=\"vertical-align: -5px;\"><\/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-326faa61bf2e51b299c2b0274c7c0416_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\text{det}(A)= \\prod_{i =1}^n a_i\" title=\"Rendered by QuickLaTeX.com\" height=\"49\" width=\"115\" style=\"vertical-align: -21px;\"><\/p>\n<\/p>\n<p>\u6b21\u306e\u89e3\u6c7a\u6e08\u307f\u6f14\u7fd2\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u6f14\u7fd2\u3067\u306f\u3001\u4e3b\u5bfe\u89d2\u8981\u7d20\u3092\u4e57\u7b97\u3059\u308b\u3060\u3051\u3067\u5bfe\u89d2\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u6c42\u3081\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-f34514c6e1559b8ebb296ee6c51a33d6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{vmatrix} 5 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 2 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 3 \\end{vmatrix} = 5 \\cdot 2 \\cdot 3 = 30\" title=\"Rendered by QuickLaTeX.com\" height=\"86\" width=\"186\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3053\u306e\u5b9a\u7406\u306f\u8a3c\u660e\u3059\u308b\u306e\u304c\u7c21\u5358\u3067\u3059\u3002\u5fc5\u8981\u306a\u306e\u306f\u3001\u30d6\u30ed\u30c3\u30af (\u307e\u305f\u306f\u4f59\u56e0\u5b50) \u306b\u3088\u308b\u5bfe\u89d2\u884c\u5217\u306e\u884c\u5217\u5f0f\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u3060\u3051\u3067\u3059\u3002\u3053\u306e<strong>\u30c7\u30e2\u30f3\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u306f\u3001<\/strong>\u4e00\u822c\u7684\u306a\u5bfe\u89d2\u884c\u5217\u3092\u4f7f\u7528\u3057\u3066\u4ee5\u4e0b\u3067\u8a73\u3057\u304f\u8aac\u660e\u3055\u308c\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-7b8718172b4b70d1ccacb01ea7ed5dd4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned} \\begin{vmatrix} a &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; b &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; c \\end{vmatrix}&amp;  = a \\cdot \\begin{vmatrix} b &amp; 0 \\\\[1.1ex] 0 &amp; c \\end{vmatrix} - 0 \\cdot \\begin{vmatrix} 0 &amp; 0 \\\\[1.1ex] 0 &amp; c \\end{vmatrix} + 0 \\cdot \\begin{vmatrix} 0 &amp; b \\\\[1.1ex] 0 &amp; 0 \\end{vmatrix} \\\\[2ex] &amp; =a \\cdot (b\\cdot c) - 0 \\cdot 0 + 0 \\cdot 0 \\\\[2ex] &amp; = a \\cdot b \\cdot c \\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"166\" width=\"337\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\">\u5bfe\u89d2\u884c\u5217\u3092\u9006\u306b\u3059\u308b<\/h2>\n<p>\u5bfe\u89d2\u884c\u5217\u306f<strong>\u3001\u4e3b\u5bfe\u89d2\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u304c 0 \u3068\u306f\u7570\u306a\u308b\u5834\u5408\u306b\u306e\u307f\u53cd\u8ee2\u53ef\u80fd\u3067\u3059<\/strong>\u3002\u3053\u306e\u5834\u5408\u3001\u5bfe\u89d2\u884c\u5217\u306f\u6b63\u5247\u884c\u5217\u3068\u8a00\u3044\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u5bfe\u89d2\u884c\u5217\u306e\u9006\u884c\u5217\u306f\u3001\u5e38\u306b\u4e3b\u5bfe\u89d2\u884c\u5217\u306e<strong>\u9006\u884c\u5217<\/strong>\u3092\u6301\u3064\u5225\u306e\u5bfe\u89d2\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-a91beaaca82477a0c882b42da4eb7481_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A= \\begin{pmatrix} 3 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 2 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 8 \\end{pmatrix}  \\ \\longrightarrow \\ A^{-1}=\\begin{pmatrix} \\frac{1}{3} &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; \\frac{1}{2} &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; \\frac{1}{8} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"324\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u524d\u306e\u7279\u6027\u304b\u3089\u3001\u5bfe\u89d2\u884c\u5217\u306e\u9006\u884c\u5217\u306e\u884c\u5217\u5f0f\u306f\u4e3b\u5bfe\u89d2\u884c\u5217\u306e\u9006\u884c\u5217\u306e\u7a4d\u3067\u3042\u308b\u3068\u63a8\u6e2c\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-0571390802f955fac935aeb9cf4ab92f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle B= \\begin{pmatrix} 2 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 4 &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<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-ae2b6aa1dd4d6405d30753e66e7f7486_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\left| B^{-1}\\right|=\\cfrac{1}{2} \\cdot \\cfrac{1}{4} \\cdot \\cfrac{1}{-1}=-\\cfrac{1}{8} = -0,125\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"266\" style=\"vertical-align: -12px;\"><\/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\">\u5bfe\u89d2\u884c\u5217\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/h2>\n<ul>\n<li>\u5bfe\u89d2\u884c\u5217\u306f\u3059\u3079\u3066<a href=\"https:\/\/mathority.org\/ja\/\u5bfe\u79f0\u884c\u5217\u306e\u4f8b\u3068\u30d5\u309a\u30ed\u30cf\u309a\u30c6\u30a3\/\">\u5bfe\u79f0\u884c\u5217<\/a>\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u5bfe\u89d2\u884c\u5217\u306f<a href=\"https:\/\/mathority.org\/ja\/\u4e0a\u4e0b\u4e09\u89d2\u884c\u5217\/\">\u3001\u4e0a\u4e09\u89d2\u3068\u4e0b\u4e09\u89d2\u306e\u4e21\u65b9\u3092\u6301\u3064\u884c\u5217<\/a>\u3067\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li><span style=\"color:#1976d2;\"><strong>\u5358\u4f4d\u884c\u5217\u306f<\/strong><\/span>\u5bfe\u89d2\u884c\u5217\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-4e4e9931fb7ae104414006cee93978a7_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}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"80\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u540c\u69d8\u306b\u3001<span style=\"color:#1976d2;\"><strong>\u30bc\u30ed\u884c\u5217\u3082<\/strong><\/span>\u5bfe\u89d2\u7dda\u4e0a\u306b\u306a\u3044\u8981\u7d20\u306f\u3059\u3079\u3066\u30bc\u30ed\u3067\u3042\u308b\u305f\u3081\u3001\u5bfe\u89d2\u884c\u5217\u3067\u3059\u3002\u5bfe\u89d2\u7dda\u306e\u6570\u5b57\u306f0\u3067\u3059\u304c\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-edb061dcbc869eba51ece12af43f796f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{pmatrix} 0 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 0 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"80\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u5bfe\u89d2\u884c\u5217\u306e<span style=\"color:#1976d2;\"><strong>\u56fa\u6709\u5024 (\u307e\u305f\u306f\u56fa\u6709\u5024) \u306f\u3001<\/strong><\/span>\u305d\u306e\u4e3b\u5bfe\u89d2\u8981\u7d20\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-1dea3de2ae28d46194ead012bc001cf0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{pmatrix} 7 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 3 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 4 \\end{pmatrix} \\longrightarrow \\ \\lambda = 3 \\ ; \\ \\lambda = 4 \\ ; \\ \\lambda = 7\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"298\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u6b63\u65b9\u884c\u5217\u306f<span style=\"color:#1976d2;\"><strong>\u3001\u4e09\u89d2\u5f62\u3067\u6cd5\u7dda\u3067<\/strong><\/span>\u3042\u308b\u5834\u5408\u306b\u306e\u307f\u5bfe\u89d2\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u5bfe\u89d2\u884c\u5217\u306e<span style=\"color:#1976d2;\"><strong>\u968f\u4f34\u7269\u306f<\/strong><\/span>\u5225\u306e\u5bfe\u89d2\u884c\u5217\u3067\u3059\u3002 <\/li>\n<\/ul>\n<div class=\"adsb30\" style=\" margin:12px; text-align:center\">\n<div id=\"ezoic-pub-ad-placeholder-119\"><\/div>\n<\/div>\n<h2 class=\"wp-block-heading\">\u5bfe\u89d2\u884c\u5217\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h2>\n<p>\u3053\u308c\u307e\u3067\u898b\u3066\u304d\u305f\u3088\u3046\u306b\u3001\u6f14\u7b97\u306b\u306f\u591a\u304f\u306e\u30bc\u30ed\u304c\u542b\u307e\u308c\u308b\u305f\u3081\u3001\u5bfe\u89d2\u884c\u5217\u3092\u4f7f\u7528\u3057\u305f\u8a08\u7b97\u3092\u89e3\u304f\u3053\u3068\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u6570\u5b66\u306e\u5206\u91ce\u3067\u975e\u5e38\u306b\u5f79\u7acb\u3061\u3001\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3068\u540c\u3058\u7406\u7531\u3067\u3001<strong>\u884c\u5217\u3092\u5bfe\u89d2\u5316\u3059\u308b<\/strong>\u65b9\u6cd5\u306b\u3064\u3044\u3066\u975e\u5e38\u306b\u591a\u304f\u306e\u7814\u7a76\u304c\u884c\u308f\u308c\u3001\u5b9f\u969b\u306b\u884c\u5217\u3092\u5bfe\u89d2\u5316\u3059\u308b\u65b9\u6cd5 (\u7279\u6027\u591a\u9805\u5f0f\u3092\u4f7f\u7528\u3057\u305f) \u3082\u958b\u767a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5bfe\u89d2\u5316\u53ef\u80fd\u306a\u884c\u5217\u3082\u975e\u5e38\u306b\u95a2\u9023\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b9\u30da\u30af\u30c8\u30eb\u5206\u89e3\u5b9a\u7406\u3068\u540c\u69d8\u306b\u3001\u884c\u5217\u3092\u5bfe\u89d2\u5316\u3067\u304d\u308b\u5834\u5408\u3068\u3067\u304d\u306a\u3044\u5834\u5408\u306e\u6761\u4ef6\u3092\u78ba\u7acb\u3057\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u4e8c\u91cd\u5bfe\u89d2\u884c\u5217<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\">\u4e8c<strong>\u91cd\u5bfe\u89d2\u884c\u5217\u306f\u3001<\/strong>\u4e3b\u5bfe\u89d2\u7dda\u4e0a\u307e\u305f\u306f\u4e0a\u4e0b\u306e\u5bfe\u89d2\u7dda\u4e0a\u306b\u306a\u3044\u3059\u3079\u3066\u306e\u8981\u7d20\u304c 0 \u3067\u3042\u308b\u6b63\u65b9\u884c\u5217\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\uff1a <\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-25\">\n<div class=\"wp-block-column is-layout-flow\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-d9acdfc09d0167548ef3f6f5b58d9276_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{pmatrix} 3 &amp; 2 &amp; 0 \\\\[1.1ex] 0 &amp; -5 &amp; 1 \\\\[1.1ex] 0 &amp; 0 &amp; 6 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"94\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#1976d2\"><strong>\u4e0a\u4e8c\u91cd\u5bfe\u89d2\u884c\u5217<\/strong><\/p>\n<\/div>\n<div class=\"wp-block-column is-layout-flow\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-b2b53f238add73431696006f4b05a2d8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{pmatrix} 1 &amp; 0 &amp; 0 \\\\[1.1ex] 6 &amp; 2 &amp; 0 \\\\[1.1ex] 0 &amp; 7 &amp; 4 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"80\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center has-text-color has-medium-font-size\" style=\"color:#1976d2\"><strong>\u4e0b\u5074\u4e8c\u91cd\u5bfe\u89d2\u884c\u5217<\/strong><\/p>\n<\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u4e3b\u5bfe\u89d2\u7dda\u3068\u6700\u521d\u306e\u4e0a\u5bfe\u89d2\u7dda\u304c\u5360\u6709\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u4e0a\u4e8c\u91cd\u5bfe\u89d2\u884c\u5217\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u4e00\u65b9\u3001\u4e3b\u5bfe\u89d2\u7dda\u3068\u6700\u521d\u306e\u4e0b\u5bfe\u89d2\u7dda\u304c\u5360\u6709\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u4e0b\u5074\u4e8c\u91cd\u5bfe\u89d2\u884c\u5217\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<h2 class=\"wp-block-heading\">\u4e09\u91cd\u5bfe\u89d2\u884c\u5217<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"><strong>\u4e09\u91cd\u5bfe\u89d2\u884c\u5217\u306f<\/strong>\u3001\u4e3b\u5bfe\u89d2\u8981\u7d20\u3068\u4e0a\u4e0b\u306e\u96a3\u63a5\u3059\u308b\u5bfe\u89d2\u8981\u7d20\u306e\u307f\u304c\u975e\u30bc\u30ed\u8981\u7d20\u3067\u3042\u308b\u6b63\u65b9\u884c\u5217\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\uff1a<\/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-9a8fbe0404c447268a89ff954e3b23d5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{pmatrix} 2 &amp; 3 &amp; 0 &amp; 0  \\\\[1.1ex] -4 &amp; 5 &amp; 9 &amp; 0 \\\\[1.1ex] 0 &amp; 1 &amp; 6 &amp; -2 \\\\[1.1ex] 0 &amp; 0 &amp; 8 &amp; 7 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"107\" width=\"133\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u3059\u3079\u3066\u306e\u5bfe\u89d2\u884c\u5217\u30012 \u91cd\u5bfe\u89d2\u884c\u5217\u3001\u304a\u3088\u3073 3 \u91cd\u5bfe\u89d2\u884c\u5217\u306f<strong>\u30d0\u30f3\u30c9\u884c\u5217<\/strong>\u306e\u4f8b\u3067\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u30d0\u30f3\u30c9\u884c\u5217\u306f\u4e3b\u5bfe\u89d2\u7dda\u306e\u5468\u308a\u306b\u3059\u3079\u3066\u306e\u975e\u30bc\u30ed\u8981\u7d20\u3092\u6301\u3064\u884c\u5217\u3060\u304b\u3089\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u5bfe\u89d2\u884c\u5217\u3068\u306f\u4f55\u304b\u3001\u304a\u3088\u3073\u5bfe\u89d2\u884c\u5217\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u3053\u306e\u30bf\u30a4\u30d7\u306e\u884c\u5217\u3092\u64cd\u4f5c\u3059\u308b\u65b9\u6cd5\u3001\u884c\u5217\u5f0f\u3092\u7c21\u5358\u306b\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3001\u304a\u3088\u3073\u884c\u5217\u5f0f\u3092\u9006\u306b\u3059\u308b\u65b9\u6cd5\u3082\u5b66\u3073\u307e\u3059\u3002\u5bfe\u89d2\u884c\u5217\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u5fdc\u7528\u3082\u3042\u308a\u307e\u3059\u3002\u6700\u5f8c\u306b\u30012  &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/%e5%af%be%e8%a7%92%e8%a1%8c%e5%88%97\/\"> <span class=\"screen-reader-text\">\u5bfe\u89d2\u884c\u5217<\/span> \u3082\u3063\u3068\u8aad\u3080 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[31],"tags":[],"class_list":["post-307","post","type-post","status-publish","format-standard","hentry","category-31"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5bfe\u89d2\u884c\u5217 - \u30de\u30bd\u30ea\u30c6\u30a3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mathority.org\/ja\/\u5bfe\u89d2\u884c\u5217\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5bfe\u89d2\u884c\u5217 - \u30de\u30bd\u30ea\u30c6\u30a3\" \/>\n<meta property=\"og:description\" content=\"\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u5bfe\u89d2\u884c\u5217\u3068\u306f\u4f55\u304b\u3001\u304a\u3088\u3073\u5bfe\u89d2\u884c\u5217\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u3053\u306e\u30bf\u30a4\u30d7\u306e\u884c\u5217\u3092\u64cd\u4f5c\u3059\u308b\u65b9\u6cd5\u3001\u884c\u5217\u5f0f\u3092\u7c21\u5358\u306b\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3001\u304a\u3088\u3073\u884c\u5217\u5f0f\u3092\u9006\u306b\u3059\u308b\u65b9\u6cd5\u3082\u5b66\u3073\u307e\u3059\u3002\u5bfe\u89d2\u884c\u5217\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3068\u5fdc\u7528\u3082\u3042\u308a\u307e\u3059\u3002\u6700\u5f8c\u306b\u30012 &hellip; 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