{"id":279,"date":"2023-07-06T22:09:09","date_gmt":"2023-07-06T22:09:09","guid":{"rendered":"https:\/\/mathority.org\/ja\/2x2-%e3%81%8a%e3%82%88%e3%81%b3-3x3-%e8%a1%8c%e5%88%97%e3%81%ab%e3%82%88%e3%82%8b%e6%95%b0%e5%80%a4%e3%81%ae%e4%b9%97%e7%ae%97%e3%81%ae%e4%be%8b%e3%81%a8%e6%bc%94%e7%bf%92%e5%95%8f%e9%a1%8c\/"},"modified":"2023-07-06T22:09:09","modified_gmt":"2023-07-06T22:09:09","slug":"2x2-%e3%81%8a%e3%82%88%e3%81%b3-3x3-%e8%a1%8c%e5%88%97%e3%81%ab%e3%82%88%e3%82%8b%e6%95%b0%e5%80%a4%e3%81%ae%e4%b9%97%e7%ae%97%e3%81%ae%e4%be%8b%e3%81%a8%e6%bc%94%e7%bf%92%e5%95%8f%e9%a1%8c","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/2x2-%e3%81%8a%e3%82%88%e3%81%b3-3x3-%e8%a1%8c%e5%88%97%e3%81%ab%e3%82%88%e3%82%8b%e6%95%b0%e5%80%a4%e3%81%ae%e4%b9%97%e7%ae%97%e3%81%ae%e4%be%8b%e3%81%a8%e6%bc%94%e7%bf%92%e5%95%8f%e9%a1%8c\/","title":{"rendered":"\u6570\u5024\u3068\u884c\u5217\u306e\u4e57\u7b97"},"content":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f<strong>\u3001\u6570\u5024\u3068\u884c\u5217\u3092\u4e57\u7b97\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/strong>\u307e\u305f\u3001\u5b8c\u5168\u306b\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u4f8b\u3068\u3001\u7df4\u7fd2\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u6c7a\u3055\u308c\u305f\u6f14\u7fd2\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b9\u30ab\u30e9\u30fc\u3068\u884c\u5217\u306e\u7a4d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3082\u3059\u3079\u3066\u898b\u3064\u304b\u308a\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u6570\u5024\u306b\u884c\u5217\u3092\u639b\u3051\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u304b?<\/h2>\n<p class=\"has-background\" style=\"background-color:#dff6ff\"><strong>\u6570\u5024\u3068\u884c\u5217\u3092\u4e57\u7b97\u3059\u308b<\/strong>\u306b\u306f\u3001\u884c\u5217\u306e\u5404\u8981\u7d20\u306b\u6570\u5024\u3092\u4e57\u7b97\u3057\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u4f8b\uff1a <\/h2>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exemple-de-multiplication-dun-nombre-par-une-matrice.webp\" alt=\"\u6570\u5024\u3068\u884c\u5217\u306e\u4e57\u7b97\u307e\u305f\u306f\u7a4d\u306e\u4f8b\" width=\"514\" height=\"122\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\">\u6570\u5024\u3068\u884c\u5217\u306e\u4e57\u7b97\u306b\u95a2\u3059\u308b\u554f\u984c\u3092\u89e3\u6c7a\u3057\u307e\u3057\u305f<\/h2>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 1: <\/h3>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exercice-resolu-de-produit-scalaire-entre-un-nombre-et-une-matrice-22.webp\" alt=\"2x2 \u884c\u5217\u306b\u3088\u308b\u6570\u5024\u306e\u7a4d\u3001\u884c\u5217\u3092\u4f7f\u7528\u3057\u305f\u6f14\u7b97\u306e\u89e3\u6c7a\u6e08\u307f\u6f14\u7fd2\" width=\"107\" height=\"68\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u3053\u308c\u306f\u3001\u30b9\u30ab\u30e9\u30fc\u3068\u6b21\u6570 2 \u306e\u6b63\u65b9\u884c\u5217\u306e\u4e57\u7b97\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-590b79c0fea524b963397181b6f2bea8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 3 \\begin{pmatrix} 1 &amp; 3 \\\\[1.1ex] 2 &amp; -4  \\end{pmatrix} = \\begin{pmatrix} 3\\cdot 1 &amp; 3\\cdot 3 \\\\[1.1ex] 3\\cdot 2 &amp; 3\\cdot (-4)  \\end{pmatrix} = \\begin{pmatrix} \\bm{3} &amp; \\bm{9} \\\\[1.1ex] \\bm{6} &amp; \\bm{-12} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"348\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 2: <\/h3>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exercice-resolu-de-multiplication-dun-nombre-par-une-matrice-33.webp\" alt=\"\u6570\u5024\u3068 3x3 \u884c\u5217\u306e\u4e57\u7b97\u3001\u884c\u5217\u3092\u4f7f\u3063\u305f\u6f14\u7b97\u3092\u30b9\u30c6\u30c3\u30d7\u3054\u3068\u306b\u89e3\u304f\u7df4\u7fd2\u554f\u984c\" width=\"184\" height=\"106\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u3053\u308c\u306f\u3001\u6570\u5024\u3068\u6b21\u6570 3 \u306e\u6b63\u65b9\u884c\u5217\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-5042f0f8cd9b7a4d0e28974f793b145b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -4 \\begin{pmatrix} 2 &amp; 1 &amp; 5 \\\\[1.1ex] -1 &amp; 0 &amp; 3 \\\\[1.1ex] 6 &amp; -2 &amp; -3  \\end{pmatrix} = \\begin{pmatrix} -4 \\cdot 2 &amp; -4 \\cdot 1 &amp; -4 \\cdot 5 \\\\[1.1ex] -4 \\cdot (-1) &amp; -4 \\cdot 0 &amp; -4 \\cdot 3 \\\\[1.1ex] -4 \\cdot 6 &amp; -4 \\cdot (-2) &amp; -4 \\cdot (-3)  \\end{pmatrix}= \\begin{pmatrix} \\bm{-8} &amp; \\bm{-4} &amp; \\bm{-20} \\\\[1.1ex] \\bm{4} &amp; \\bm{0} &amp; \\bm {-12}  \\\\[1.1ex] \\bm{-24} &amp; \\bm{8} &amp; \\bm {12} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"627\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 3: <\/h3>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/operations-combinees-avec-des-matrices-22152.webp\" alt=\"2x2 \u884c\u5217\u306b\u3088\u308b\u6570\u5024\u306e\u4e57\u7b97\u3001\u884c\u5217\u3068\u7d44\u307f\u5408\u308f\u305b\u305f\u6f14\u7b97\u306e\u89e3\u6c7a\u6e08\u307f\u6f14\u7fd2\" width=\"233\" height=\"70\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u3053\u308c\u306f\u3001\u6570\u5024\u3068\u884c\u5217\u306e\u7a4d\u3068 2\u00d72 \u6b21\u5143\u306e\u884c\u5217\u306e\u548c\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u6f14\u7b97\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-56d2a40f021be13a5d92d0c10d353684_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 2 \\begin{pmatrix} 5 &amp; 1 \\\\[1.1ex] -2 &amp; 3  \\end{pmatrix}+5\\begin{pmatrix} 5 &amp; 1 \\\\[1.1ex] -2 &amp; 3  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"193\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u521d\u306b\u88fd\u54c1\u306b\u3064\u3044\u3066\u6b21\u306e\u3053\u3068\u3092\u89e3\u6c7a\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-068901abef987767025bb01b24579226_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} 10 &amp; 2 \\\\[1.1ex] -4 &amp; 6  \\end{pmatrix}+\\begin{pmatrix} 25 &amp; 5 \\\\[1.1ex] -10 &amp; 15  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"183\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u305d\u3057\u3066\u6700\u5f8c\u306b\u3001\u7d50\u679c\u306e\u884c\u5217\u3092\u8ffd\u52a0\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-d15ea16036f522af0f23fee0bb796757_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} \\bm{35} &amp; \\bm{7} \\\\[1.1ex] \\bm{-14} &amp; \\bm{21}  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"85\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 4:<\/h3>\n<p class=\"has-text-align-left\">\u6b21\u306e\u884c\u5217\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\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-5374cb55dbbfa80c91a478b4cbdb2ee1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle A=\\begin{pmatrix} 2 &amp; -3 &amp; 5 \\\\ 1 &amp; 4 &amp; 0 \\\\ -3 &amp; 2 &amp; -5 \\end{pmatrix}  \\qquad B=\\begin{pmatrix} 6 &amp; 0 &amp; 2 \\\\ -3 &amp; 4 &amp; 1 \\\\ 3 &amp; 2 &amp; 7 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"64\" width=\"344\" style=\"vertical-align: -27px;\"><\/p>\n<\/p>\n<p>\u8a08\u7b97\u3057\u307e\u3059: <\/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-d5f0b93a77e7bb1b7b99d63546652e8b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -2A+5I-3B\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"119\" style=\"vertical-align: -2px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__E3F2FD boto_ver_solucion\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#E3F2FD\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"><strong>\u89e3\u6c7a\u7b56\u3092\u53c2\u7167<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\">\u3053\u308c\u306f\u3001\u30b9\u30ab\u30e9\u30fc\u4e57\u7b97\u3068 3 \u00d7 3 \u6b21\u5143\u306e\u884c\u5217\u306e\u52a0\u7b97\u304a\u3088\u3073\u6e1b\u7b97\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u6f14\u7b97\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306f\u3001<\/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-18b5e45cb4a1ee02e81b9a980f828db8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"I\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u306f\u5358\u4f4d\u884c\u5217\u3067\u3001\u4e3b\u5bfe\u89d2\u8981\u7d20\u306e 1 \u3068\u6b8b\u308a\u306e\u8981\u7d20\u306e 0 \u3067\u69cb\u6210\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-dce934040dc05714321dbbeac4e20c73_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle -2\\begin{pmatrix} 2 &amp; -3 &amp; 5 \\\\[1.1ex] 1 &amp; 4 &amp; 0 \\\\[1.1ex] -3 &amp; 2 &amp; -5 \\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} -3 \\begin{pmatrix} 6 &amp; 0 &amp; 2 \\\\[1.1ex] -3 &amp; 4 &amp; 1 \\\\[1.1ex] 3 &amp; 2 &amp; 7 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"412\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u521d\u306b\u4e57\u7b97\u3092\u5b9f\u884c\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-dc26f29384abcfb6f08a36b601e4ff61_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} -4 &amp; 6 &amp; -10 \\\\[1.1ex] -2 &amp; -8 &amp; 0 \\\\[1.1ex] 6 &amp; -4 &amp; 10 \\end{pmatrix}+\\begin{pmatrix} 5 &amp; 0 &amp; 0 \\\\[1.1ex] 0 &amp; 5 &amp; 0 \\\\[1.1ex] 0 &amp; 0 &amp; 5 \\end{pmatrix} - \\begin{pmatrix} 18 &amp; 0 &amp; 6 \\\\[1.1ex] -9 &amp; 12 &amp; 3 \\\\[1.1ex] 9 &amp; 6 &amp; 21 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"385\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6700\u521d\u306e 2 \u3064\u306e\u884c\u5217\u3092\u8ffd\u52a0\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-897ec02d46bc09bdec58d9b3246c6f4d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle   \\begin{pmatrix} 1 &amp; 6 &amp; -10 \\\\[1.1ex] -2 &amp; -3 &amp; 0 \\\\[1.1ex] 6 &amp; -4 &amp; 15 \\end{pmatrix}-\\begin{pmatrix} 18 &amp; 0 &amp; 6 \\\\[1.1ex] -9 &amp; 12 &amp; 3 \\\\[1.1ex] 9 &amp; 6 &amp; 21 \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"274\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\">\u6700\u5f8c\u306b\u3001\u884c\u5217\u306e\u6e1b\u7b97\u3092\u5b9f\u884c\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-9ddd808a46a137f4c7742545c4f76f46_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\begin{pmatrix} \\bm{-17} &amp; \\bm{6} &amp; \\bm{-16} \\\\[1.1ex] \\bm{7} &amp; \\bm{-15} &amp; \\bm{-3} \\\\[1.1ex] \\bm{-3} &amp; \\bm{-10} &amp; \\bm{-6} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"148\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n<p>\u884c\u5217\u306e\u30b9\u30ab\u30e9\u30fc\u7a4d\u306b\u95a2\u3059\u308b\u3053\u308c\u3089\u306e\u6f14\u7fd2\u304c\u5f79\u306b\u7acb\u3063\u305f\u5834\u5408\u306f\u3001<a href=\"https:\/\/mathority.org\/ja\/\u884c\u5217\u306e\u52a0\u7b97\u6e1b\u7b97-2x2-3x3-\u306e\u4f8b\u984c\u3092\u89e3\u3044\u305f\u6f14\u7fd2\/\">\u884c\u5217\u306e\u52a0\u7b97<\/a>\u3068<a href=\"https:\/\/mathority.org\/ja\/2x2-\u884c\u5217\u3068-3x3-\u884c\u5217\u306e\u4e57\u7b97\u306e\u4f8b\u3068\u6f14\u7fd2\u3092\u6bb5\u968e\u7684\u306b\u89e3\u6c7a\/\">\u884c\u5217<\/a>\u306e\u7a4d\u3001\u3055\u3089\u306b\u7e70\u308a\u8fd4\u3055\u308c\u308b 2 \u7a2e\u985e\u306e\u884c\u5217\u6f14\u7b97\u306b\u3064\u3044\u3066\u6bb5\u968e\u7684\u306b\u89e3\u6c7a\u3055\u308c\u308b\u6f14\u7fd2\u3092\u8e8a\u8e87\u305b\u305a\u306b\u7df4\u7fd2\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 class=\"wp-block-heading\">\u6570\u5024\u3068\u884c\u5217\u306e\u7a4d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3<\/h2>\n<div class=\"adsb30\" style=\" margin:px; text-align:\"><\/div>\n<p>\u3054\u5b58\u77e5\u306e\u3068\u304a\u308a\u3001<a href=\"https:\/\/mathority.org\/ja\/\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306e\u7a2e\u985e\/\">\u884c\u5217\u306b\u306f\u6b63\u65b9\u884c\u5217\u3001\u4e09\u89d2\u884c\u5217\u3001\u5358\u4f4d\u884c\u5217\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u304c<\/a>\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u5e78\u3044\u306a\u3053\u3068\u306b\u3001\u6570\u5024\u3068\u884c\u5217\u306e\u7a4d\u306e\u3059\u3079\u3066\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u3059\u3079\u3066\u306e\u30af\u30e9\u30b9\u306e\u884c\u5217\u306b\u5bfe\u3057\u3066\u6709\u52b9\u3067\u3059\u3002<\/p>\n<p>\u30b9\u30ab\u30e9\u30fc\u3068\u884c\u5217\u306e\u9593\u306e\u4e57\u7b97\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong><span style=\"color:#1976d2;\">\u95a2\u9023\u30d7\u30ed\u30d1\u30c6\u30a3:<\/span><\/strong><\/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-bff3550cd8d240f651354e6646e6bf15_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a \\cdot (b \\cdot A) = (a \\cdot b) \\cdot A\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"163\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u6b21\u306e 2 \u3064\u306e\u6f14\u7b97\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u30022 \u3068 3 \u3092\u3069\u306e\u3088\u3046\u306b\u4e57\u7b97\u3057\u3066\u3082\u540c\u3058\u7d50\u679c\u304c\u5f97\u3089\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-b4e9fd568edd5833238d8d21fdf4d1a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 2 \\cdot \\left(3 \\cdot \\begin{pmatrix} 1 &amp; 0 \\\\[1.1ex] 2 &amp; -1 \\end{pmatrix} \\right) =2 \\cdot \\begin{pmatrix} 3 &amp; 0 \\\\[1.1ex] 6 &amp; -3 \\end{pmatrix} = \\begin{pmatrix} \\bm{6} &amp; \\bm{0} \\\\[1.1ex] \\bm{12} &amp; \\bm{-6} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"372\" 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-9f8ee596b3e2ca16ff1c507717982ee1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (2 \\cdot 3) \\cdot \\begin{pmatrix} 1 &amp; 0 \\\\[1.1ex] 2 &amp; -1 \\end{pmatrix}  =6 \\cdot \\begin{pmatrix} 1 &amp; 0 \\\\[1.1ex] 2 &amp; -1 \\end{pmatrix}   = \\begin{pmatrix} \\bm{6} &amp; \\bm{0} \\\\[1.1ex] \\bm{12} &amp; \\bm{-6}  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"357\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u30b9\u30ab\u30e9\u30fc\u306e\u52a0\u7b97\u306b\u95a2\u3059\u308b<strong><span style=\"color:#1976d2;\">\u5206\u914d\u7279\u6027<\/span><\/strong>:<\/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-5829e6e40633068cc4f35b43184a41e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"(a+b) \\cdot A = a \\cdot A+ b \\cdot A\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"192\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u308f\u304b\u308b\u3088\u3046\u306b\u3001\u6700\u521d\u306b 1+2 \u3092\u52a0\u7b97\u3057\u3066\u304b\u3089\u884c\u5217\u3067\u4e57\u7b97\u3059\u308b\u5834\u5408\u3001\u307e\u305f\u306f\u884c\u5217\u306b 1 \u3068 2 \u3092\u500b\u5225\u306b\u4e57\u7b97\u3057\u3066\u7d50\u679c\u3092\u52a0\u7b97\u3059\u308b\u5834\u5408\u306f\u540c\u3058\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-025ac9b0851ed93fd0c3870328d6144b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle (1 + 2) \\cdot  \\begin{pmatrix} 2 &amp; -1 \\\\[1.1ex] 3 &amp; 5 \\\\[1.1ex] -2 &amp; -4 \\end{pmatrix} =3 \\cdot  \\begin{pmatrix} 2 &amp; -1 \\\\[1.1ex] 3 &amp; 5 \\\\[1.1ex] -2 &amp; -4 \\end{pmatrix}=  \\begin{pmatrix} \\bm{6} &amp; \\bm{-3} \\\\[1.1ex] \\bm{9} &amp; \\bm{15} \\\\[1.1ex] \\bm{-6} &amp; \\bm{-12} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"416\" 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-2f54f4d5ae113e2462b752c150b3f43b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 1  \\cdot  \\begin{pmatrix} 2 &amp; -1 \\\\[1.1ex] 3 &amp; 5 \\\\[1.1ex] -2 &amp; -4 \\end{pmatrix} + 2  \\cdot  \\begin{pmatrix} 2 &amp; -1 \\\\[1.1ex] 3 &amp; 5 \\\\[1.1ex] -2 &amp; -4\\end{pmatrix} = \\begin{pmatrix} 2 &amp; -1 \\\\[1.1ex] 3 &amp; 5\\\\[1.1ex] -2 &amp; -4 \\end{pmatrix} +  \\begin{pmatrix} 4 &amp; -2 \\\\[1.1ex] 6 &amp; 10 \\\\[1.1ex] -4 &amp; -8\\end{pmatrix}=  \\begin{pmatrix} \\bm{6} &amp; \\bm{-3} \\\\[1.1ex] \\bm{9} &amp; \\bm{15} \\\\[1.1ex] \\bm{-6} &amp; \\bm{-12}  \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"568\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li>\u884c\u5217\u306e\u52a0\u7b97\u306b\u95a2\u3059\u308b<strong><span style=\"color:#1976d2;\">\u5206\u914d\u7279\u6027<\/span><\/strong>:<\/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-fac6ec8cbb2d4ead773b75d0180bca20_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a \\cdot \\left(A + B \\right) = a \\cdot A + a \\cdot B\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"202\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p>\u3064\u307e\u308a\u30012 \u3064\u306e\u6570\u5b66\u884c\u5217\u3092\u52a0\u7b97\u3057\u3066\u6570\u5024\u3092\u4e57\u7b97\u3059\u308b\u3053\u3068\u306f\u30012 \u3064\u306e\u884c\u5217\u306b\u540c\u3058\u6570\u5024\u3092\u500b\u5225\u306b\u4e57\u7b97\u3057\u3066\u305d\u306e\u7d50\u679c\u3092\u52a0\u7b97\u3059\u308b\u3053\u3068\u3068\u540c\u3058\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u3001\u6b21\u306e\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-cdb35d5c66ee525c3d52fe7576e75758_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 4 \\cdot  \\left( \\begin{pmatrix} 3 &amp; -2 \\\\[1.1ex] 6 &amp; -1 \\end{pmatrix}+\\begin{pmatrix} -1 &amp; 3 \\\\[1.1ex] 0 &amp; 4 \\end{pmatrix} \\right) =4 \\cdot   \\begin{pmatrix} 2 &amp; 1 \\\\[1.1ex] 6 &amp; 3 \\end{pmatrix}= \\begin{pmatrix} \\bm{8} &amp; \\bm{4} \\\\[1.1ex] \\bm{24} &amp; \\bm{12} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"430\" 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-0ef9d3f8f503371fa5f3d2478f728d88_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 4 \\cdot  \\begin{pmatrix} 3 &amp; -2 \\\\[1.1ex] 6 &amp; -1 \\end{pmatrix}+ 4 \\cdot \\begin{pmatrix} -1 &amp; 3 \\\\[1.1ex] 0 &amp; 4 \\end{pmatrix} = \\begin{pmatrix} 12 &amp; -8 \\\\[1.1ex] 24 &amp; -4 \\end{pmatrix}+\\begin{pmatrix} -4 &amp; 12 \\\\[1.1ex] 0 &amp; 16 \\end{pmatrix} = \\begin{pmatrix} \\bm{8} &amp; \\bm{4} \\\\[1.1ex] \\bm{24} &amp; \\bm{12} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"530\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<ul>\n<li><strong><span style=\"color:#1976d2;\">\u4e2d\u7acb\u8981\u7d20\u306e\u30d7\u30ed\u30d1\u30c6\u30a3:<\/span><\/strong><\/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-244c951ff1cce8dc60f6d66a781c0580_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"1 \\cdot A = A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"71\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u884c\u5217\u306b 1 \u3092\u4e57\u7b97\u3059\u308b\u3068\u304d\u306f\u3001\u884c\u5217\u3092\u5909\u66f4\u3057\u307e\u305b\u3093\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-0ee2c0afd1bf2904722701caca883125_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle 1 \\cdot   \\begin{pmatrix} 5 &amp; -4 &amp; 0 \\\\[1.1ex] 1 &amp; 3 &amp; -3 \\\\[1.1ex] 2 &amp; 9 &amp; 4 \\end{pmatrix}=\\begin{pmatrix} \\bm{5} &amp; \\bm{-4} &amp; \\bm{0} \\\\[1.1ex] \\bm{1} &amp; \\bm{3} &amp; \\bm{-3} \\\\[1.1ex] \\bm{2} &amp; \\bm{9} &amp; \\bm{4} \\end{pmatrix}\" title=\"Rendered by QuickLaTeX.com\" height=\"85\" width=\"275\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u3053\u308c\u3089\u306f\u3059\u3079\u3066\u30b9\u30ab\u30e9\u30fc\u3068\u884c\u5217\u306e\u7a4d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u306a\u306e\u3067\u3001\u3053\u306e\u8a18\u4e8b\u306f\u3053\u308c\u3067\u7d42\u308f\u308a\u3067\u3059\u3002\u6c17\u306b\u5165\u3063\u3066\u3044\u305f\u3060\u3051\u305f\u3053\u3068\u3001\u305d\u3057\u3066\u4f55\u3088\u308a\u3082\u3001\u884c\u5217\u3092\u4f7f\u3063\u305f\u6570\u5024\u306e\u4e57\u7b97\u3092\u89e3\u304f\u65b9\u6cd5\u3092\u5b66\u3093\u3067\u3044\u305f\u3060\u3051\u305f\u3053\u3068\u3092\u9858\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3001\u4e57\u7b97\u306b\u95a2\u9023\u3059\u308b\u4ed6\u306e\u884c\u5217\u6f14\u7b97\u306f\u3001\u975e\u5e38\u306b\u4fbf\u5229\u3067\u3042\u308a\u3001\u3079\u304d\u4e57\u3067\u3059\u3002\u8208\u5473\u304c\u3042\u308b\u65b9\u306e\u305f\u3081\u306b\u3001\u884c\u5217\u3068\u306f\u4f55\u304b\u3001<a href=\"https:\/\/mathority.org\/ja\/2x2-\u304a\u3088\u3072\u3099-3x3-\u884c\u5217\u306e\u3078\u3099\u304d\u4e57\u306e\u4f8b\u3068\u6f14\u7fd2\u554f\u984c\/\">\u884c\u5217\u306e\u529b<\/a>\u3092\u89e3\u304f\u65b9\u6cd5\u3092\u5b66\u3076\u30da\u30fc\u30b8\u3092\u3053\u3053\u306b\u6b8b\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u6570\u5024\u3068\u884c\u5217\u3092\u4e57\u7b97\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u5b8c\u5168\u306b\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u4f8b\u3068\u3001\u7df4\u7fd2\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u6c7a\u3055\u308c\u305f\u6f14\u7fd2\u3082\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b9\u30ab\u30e9\u30fc\u3068\u884c\u5217\u306e\u7a4d\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3082\u3059\u3079\u3066\u898b\u3064\u304b\u308a\u307e\u3059\u3002 \u6570\u5024\u306b\u884c\u5217\u3092\u639b\u3051\u308b\u306b\u306f\u3069\u3046 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/2x2-%e3%81%8a%e3%82%88%e3%81%b3-3x3-%e8%a1%8c%e5%88%97%e3%81%ab%e3%82%88%e3%82%8b%e6%95%b0%e5%80%a4%e3%81%ae%e4%b9%97%e7%ae%97%e3%81%ae%e4%be%8b%e3%81%a8%e6%bc%94%e7%bf%92%e5%95%8f%e9%a1%8c\/\"> <span class=\"screen-reader-text\">\u6570\u5024\u3068\u884c\u5217\u306e\u4e57\u7b97<\/span> \u3082\u3063\u3068\u8aad\u3080 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