{"id":300,"date":"2023-07-06T15:29:16","date_gmt":"2023-07-06T15:29:16","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e7%b4%af%e7%a9%8d%e8%a1%8c%e5%88%97\/"},"modified":"2023-07-06T15:29:16","modified_gmt":"2023-07-06T15:29:16","slug":"%e7%b4%af%e7%a9%8d%e8%a1%8c%e5%88%97","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e7%b4%af%e7%a9%8d%e8%a1%8c%e5%88%97\/","title":{"rendered":"\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217\u3068\u306f\u4f55\u304b\u3092\u5b66\u3073\u307e\u3059\u3002\u307e\u305f\u3001\u6b21\u5143 2\u00d72\u30013\u00d73\u3001\u304a\u3088\u3073 4\u00d74 \u306e\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30c6\u30a3\u30d6\u884c\u5217\u306e\u4f8b\u3082\u793a\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001\u7d2f\u7a4d\u884c\u5217\u306e\u516c\u5f0f\u3092\u898b\u3064\u3051\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u7d2f\u7a4d\u884c\u5217\u3068\u306f\u4f55\u3067\u3059\u304b?<\/h2>\n<p>\u7d2f\u7a4d\u884c\u5217\u306e\u610f\u5473\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 <\/p>\n<div style=\"background-color:#dff6ff;padding-top: 20px; padding-bottom: 0.5px; padding-right: 40px; padding-left: 30px\" class=\"has-background\">\n<p style=\"text-align:left\"><strong>\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30c6\u30a3\u30d6\u884c\u5217\u306e<\/strong>\u5b9a\u7fa9 : \u9006\u884c\u5217\u304c\u884c\u5217\u305d\u306e\u3082\u306e\u3067\u3042\u308b\u53ef\u9006\u6b63\u65b9\u884c\u5217\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-8711e2a47f90783a00a3bdd571df2175_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A^{-1} = A\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"68\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p style=\"text-align:left\">\u91d1<\/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-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u306f\u4efb\u610f\u306e\u884c\u5217\u3067\u3042\u308a\u3001<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-e2b32875906f7ed9c10ffd1b09a6ed5e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A^{-1}\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"30\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u306f\u305d\u306e\u9006\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u660e\u3089\u304b\u306b\u3001\u7573\u307f\u8fbc\u307f\u884c\u5217\u306f<a href=\"https:\/\/mathority.org\/ja\/when-\u304b\u3099\u6b63\u898f\u884c\u5217\u307e\u305f\u306f\u53ef\u9006\u884c\u5217\u306e\u4f8b\u3068\u30d5\u309a\u30ed\u30cf\u309a\u30c6\u30a3\/\">\u3001\u6b63\u898f\u884c\u5217\u307e\u305f\u306f\u975e\u7e2e\u9000\u884c\u5217\u306e\u4e00\u4f8b<\/a>\u3067\u3059\u3002<\/p>\n<p>\u884c\u5217\u306e\u9006\u884c\u5217\u304c\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001\u3053\u3053\u3067<a href=\"https:\/\/mathority.org\/ja\/\u9006\u884c\u5217\/\">3&#215;3 \u9006\u884c\u5217\u306e<\/a>\u8a08\u7b97\u65b9\u6cd5\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9006\u884c\u5217\u306e\u65b9\u6cd5\u3092\u77e5\u308b\u3053\u3068\u306f\u91cd\u8981\u3067\u3059\u304c\u3001\u305d\u306e\u305f\u3081\u306b\u306f<a href=\"https:\/\/mathority.org\/ja\/\u884c\u5217\u306e\u30de\u30a4\u30ca\u30fc\u30a2\u30b7\u3099\u30e7\u30a4\u30f3\u30c8\u3068\u76f8\u88dc\u7684\u30a2\u30b7\u3099\u30e7\u30a4\u30f3\u30c8\u306e\u4f8b\u3068\u89e3\u6c7a\u3055\u308c\u305f\u6f14\u7fd2\/\">\u884c\u5217\u306e\u968f\u4f34\u304c<\/a>\u3069\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u308b\u304b\u3092\u77e5\u308b\u5fc5\u8981\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u672c\u984c\u306b\u623b\u308a\u307e\u3059\u3002\u884c\u5217\u304c\u5305\u542b\u7684\u3067\u3042\u308b\u5834\u5408\u3001\u884c\u5217\u3068\u884c\u5217\u81ea\u4f53\u3092\u4e57\u7b97\u3059\u308b\u3068\u5358\u4f4d\u884c\u5217\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u30c7\u30e2\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046:<\/p>\n<p>\u884c\u5217\u306b\u305d\u306e\u9006\u884c\u5217\u3092\u4e57\u7b97\u3059\u308b\u3068\u3001\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3 (\u307e\u305f\u306f\u30e6\u30cb\u30c3\u30c8) \u884c\u5217\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u305d\u308c\u3067\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-2326f8acf7b6701e027cafdaae59b38b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A \\cdot A^{-1} = I\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"90\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u305d\u3057\u3066\u3001\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217\u306e\u9006\u884c\u5217\u306f\u884c\u5217\u305d\u306e\u3082\u306e\u3067\u3042\u308b\u305f\u3081\u3001\u6b21\u306e\u3088\u3046\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-b8c3afa923ef022a2d25738eb843390b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A \\cdot A = I\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"72\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5e73\u65b9\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217\u306f\u5358\u4f4d\u884c\u5217\u3092\u4e0e\u3048\u307e\u3059\u3002 <\/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\/quest-ce-quune-matrice-involutive.webp\" alt=\"\u7d2f\u7a4d\u884c\u5217\u3068\u306f\u4f55\u3067\u3059\u304b\" class=\"wp-image-3723\" width=\"68\" height=\"63\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\">\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217\u306e\u4f8b<\/h2>\n<h3 class=\"estil_titol_H3 wp-block-heading\">2\u00d72 \u7a4d\u5206\u884c\u5217\u306e\u4f8b: <\/h3>\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-de-matrice-involutive-22152-1.webp\" alt=\"2x2 \u6b21\u5143\u306e\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30c6\u30a3\u30d6\u884c\u5217\u306e\u4f8b\" class=\"wp-image-3724\" width=\"143\" height=\"73\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u884c\u5217\u306e 2 \u4e57\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u308c\u304c\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\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-314aebadfe3da501264c0eb14e1dfc2f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A^2=\\begin{pmatrix} 2 &amp; 3 \\\\[1.1ex] -1 &amp; -2 \\end{pmatrix} \\cdot \\begin{pmatrix} 2 &amp; 3 \\\\[1.1ex] -1 &amp; -2 \\end{pmatrix}= \\begin{pmatrix} 1 &amp; 0 \\\\[1.1ex] 0 &amp; 1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"318\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u884c\u5217 A \u306e 2 \u4e57\u306f\u6052\u7b49\u884c\u5217\u3067\u3042\u308b\u305f\u3081\u3001\u884c\u5217 A \u306f 2\u00d72 \u306e\u7d2f\u7a4d\u884c\u5217\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\"> 3\u00d73 \u306e\u7a4d\u5206\u884c\u5217\u306e\u4f8b: <\/h3>\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-de-matrice-involutive-32153-1.webp\" alt=\"3x3 \u6b21\u5143\u306e\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30c6\u30a3\u30d6\u884c\u5217\u306e\u4f8b\" class=\"wp-image-3725\" width=\"195\" height=\"108\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u884c\u5217\u306e\u7a4d\u3092\u5358\u72ec\u3067\u89e3\u304f\u3053\u3068\u3067\u3001\u305d\u308c\u304c\u7d2f\u7a4d\u884c\u5217\u3067\u3042\u308b\u3053\u3068\u3092\u691c\u8a3c\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-599241f00e8a89f8b55ed2ae8cb42ddb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle B^2=\\begin{pmatrix} 2 &amp; 1 &amp; 1 \\\\[1.1ex] -1 &amp; 0 &amp; -1 \\\\[1.1ex] -2 &amp; -2 &amp; -1 \\end{pmatrix}\\cdot \\begin{pmatrix} 2 &amp; 1 &amp; 1 \\\\[1.1ex] -1 &amp; 0 &amp; -1 \\\\[1.1ex] -2 &amp; -2 &amp; -1 \\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}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"430\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u884c\u5217 B \u306e 2 \u4e57\u306f\u5358\u4f4d\u884c\u5217\u3067\u3042\u308b\u305f\u3081\u3001\u884c\u5217 B \u306f 3\u00d73 \u306e\u7d2f\u7a4d\u884c\u5217\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\"> 4\u00d74 \u306e\u7a4d\u5206\u884c\u5217\u306e\u4f8b:<\/h3>\n<p> Identity (\u307e\u305f\u306f Unit) \u884c\u5217\u306f\u3001\u305d\u306e\u6b21\u5143\u304c\u4f55\u3067\u3042\u308c\u3001\u5b9a\u7fa9\u4e0a\u3001\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30ca\u30eb\u884c\u5217\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-4278c2b46761d3b258eb9ba04c87bbf1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle I=\\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=\"107\" width=\"143\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u884c\u5217\u3092 2 \u306b\u5897\u3084\u3059\u3053\u3068\u3067\u3001\u305d\u308c\u304c\u7d2f\u7a4d\u884c\u5217\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\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-c3190f24d196c4b96a60ec06fe7180e6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle I^2=\\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}\\cdot \\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}= \\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=\"107\" width=\"418\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u4e8c\u4e57\u5358\u4f4d\u884c\u5217\u306f\u5358\u4f4d\u884c\u5217\u306a\u306e\u3067\u3001\u5358\u4f4d\u884c\u5217\u306f 4\u00d74 \u306e\u7d2f\u7a4d\u884c\u5217\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u660e\u3089\u304b\u306b\u3001\u5358\u4f4d\u884c\u5217\u306f\u3001\u4e3b\u5bfe\u89d2\u304c\u3059\u3079\u3066 1 \u3067\u6b8b\u308a\u304c 0 \u306e\u5358\u7d14\u306a\u5bfe\u89d2\u884c\u5217\u3067\u3042\u308b\u305f\u3081\u3001\u4efb\u610f\u306e\u6b21\u5143\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5358\u4f4d\u884c\u5217\u306f\u3001\u305d\u306e\u9806\u5e8f\u306b\u95a2\u4fc2\u306a\u304f\u3001\u5e38\u306b\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u7573\u307f\u8fbc\u307f\u884c\u5217\u306e\u516c\u5f0f<\/h2>\n<p>\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217\u306e\u7279\u6027\u306e 1 \u3064\u306f\u3001\u305d\u306e\u5f0f\u304c\u65e2\u77e5\u3067\u3042\u308b\u3053\u3068\u3067\u3059\u3002\u305f\u3060\u3057\u30012 \u6b21\u306e\u7d2f\u7a4d\u884c\u5217\u306e\u516c\u5f0f\u306e\u8a3c\u660e\u306f\u975e\u5e38\u306b\u9762\u5012\u306a\u306e\u3067\u3001\u7d50\u679c\u306b\u3064\u3044\u3066\u306f\u305d\u306e\u307e\u307e\u306b\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u305d\u308c\u304c\u672c\u5f53\u306b\u91cd\u8981\u3067\u3059\u3002\u30c7\u30e2\u306b\u8208\u5473\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30e1\u30f3\u30c8\u3067\u6bb5\u968e\u7684\u306b\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p> 2 \u00d7 2 \u6b21\u5143\u306e<strong>\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30c6\u30a3\u30d6\u884c\u5217\u306e\u5f0f\u306f<\/strong>\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 <\/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\/formule-matricielle-involutive.webp\" alt=\"\u30ed\u30fc\u30ea\u30f3\u30b0\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306e\u516c\u5f0f\" class=\"wp-image-3726\" width=\"414\" height=\"134\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u4e3b\u5bfe\u89d2\u5024\u304c\u53cd\u5bfe\u3067\u3001\u884c\u5217\u5f0f\u304c -1 \u3067\u3042\u308b\u884c\u5217\u306f\u3001\u7d2f\u7a4d\u884c\u5217\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u3053\u306e\u5f0f\u3067\u8a18\u8ff0\u3055\u308c\u308b\u884c\u5217\u306b\u52a0\u3048\u3066\u3001<strong>\u5358\u4f4d\u884c\u5217\u3068\u305d\u306e\u9006\u884c\u5217\u3082\u6b21\u6570 2 \u306e\u7d2f\u7a4d\u884c\u5217\u3067\u3042\u308b<\/strong>\u3053\u3068\u3092\u8003\u616e\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-395beb5a766a10eefa56a087e8c8d098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 1 &amp; 0 \\\\[1.1ex] 0 &amp; 1 \\end{pmatrix} \\qquad \\begin{pmatrix} -1 &amp; 0 \\\\[1.1ex] 0 &amp; -1 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"182\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\">\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/h2>\n<p>\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217\u306b\u306f\u6b21\u306e\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><span style=\"color:#1976d2;\"><strong>\u7d2f\u7a4d\u884c\u5217\u306e\u884c\u5217\u5f0f\u306f<\/strong><\/span>\u5e38\u306b -1 \u307e\u305f\u306f +1 \u306b\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u7d2f\u7a4d\u884c\u5217\u3068<span style=\"color:#1976d2;\"><strong>\u51aa\u7b49\u884c\u5217<\/strong><\/span>\u306e\u9593\u306b\u306f\u95a2\u4fc2\u304c\u3042\u308a\u307e\u3059<strong>:<\/strong>\u884c\u5217\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u884c\u5217\u304c\u6b21\u306e\u5834\u5408\u306b\u9650\u308a\u3001\u7d2f\u7a4d\u7684\u3067\u3059\u3002<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-37b99c07f3a3eb03d02d9448a923078e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle Q= \\cfrac{1}{2} \\cdot (A+I)\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"118\" style=\"vertical-align: -12px;\"><\/p>\n<p>\u3079\u304d\u7b49\u3067\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li>\u3046\u3093\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-25b206f25506e6d6f46be832f7119ffa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-770fd1447ccf2fc229801b486b0d8f8a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"B\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"><\/p>\n<p>2 \u3064\u306e\u53ef<span style=\"color:#1976d2;\"><strong>\u63db\u7d2f<\/strong><\/span>\u7a4d\u884c\u5217\u3067\u3042\u308a\u3001\u884c\u5217\u7a4d<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/ql-cache\/quicklatex.com-89b2a721cf233a7e57685324f6648a89_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"AB\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"27\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3082\u5225\u306e\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217\u3067\u3059\u3002<\/li>\n<\/ul>\n<ul>\n<li><span style=\"color:#1976d2;\"><strong>\u7d2f\u7a4d\u884c\u5217\u306e\u7d2f\u4e57\u306f\u3001<\/strong><\/span>\u5225\u306e\u7d2f\u7a4d\u884c\u5217\u306b\u306a\u308a\u307e\u3059\u3002\u7279\u306b\u3001\u5947\u6570\u306e\u6307\u6570\u306b\u7d2f\u4e57\u3055\u308c\u305f\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217\u306f\u305d\u308c\u81ea\u4f53\u3068\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u4e00\u65b9\u3001\u5076\u6570\u306e\u6307\u6570\u306b\u7d2f\u4e57\u3055\u308c\u305f\u5834\u5408\u306f\u6052\u7b49\u884c\u5217\u3068\u7b49\u4fa1\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-03f040ce22790ca420cd1614b4ee3c5f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A^2 = I\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"54\" 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-639e56b4e1e25d1a3743cd2768cf21b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A^3 = A\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"58\" style=\"vertical-align: 0px;\"><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u884c\u5217\u3068\u306f\u4f55\u304b\u3092\u5b66\u3073\u307e\u3059\u3002\u307e\u305f\u3001\u6b21\u5143 2\u00d72\u30013\u00d73\u3001\u304a\u3088\u3073 4\u00d74 \u306e\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30c6\u30a3\u30d6\u884c\u5217\u306e\u4f8b\u3082\u793a\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001\u7d2f\u7a4d\u884c\u5217\u306e\u516c\u5f0f\u3092\u898b\u3064\u3051\u307e\u3059\u3002 \u7d2f\u7a4d\u884c\u5217\u3068\u306f\u4f55\u3067\u3059\u304b? \u7d2f\u7a4d\u884c\u5217\u306e &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/%e7%b4%af%e7%a9%8d%e8%a1%8c%e5%88%97\/\"> <span class=\"screen-reader-text\">\u30a4\u30f3\u30dc\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\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":[30],"tags":[],"class_list":["post-300","post","type-post","status-publish","format-standard","hentry","category-30"],"yoast_head":"<!-- This site is optimized 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