{"id":5303,"date":"2025-01-02T16:52:48","date_gmt":"2025-01-02T07:52:48","guid":{"rendered":"https:\/\/torisetudy.com\/?p=5303"},"modified":"2026-03-09T17:40:08","modified_gmt":"2026-03-09T08:40:08","slug":"%e3%83%99%e3%82%af%e3%83%88%e3%83%ab%e3%81%a8%e5%b9%b3%e9%9d%a2%e5%ba%a7%e6%a8%99","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=5303","title":{"rendered":"\u30d9\u30af\u30c8\u30eb\u3068\u5e73\u9762\u5ea7\u6a19"},"content":{"rendered":"\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#i\"><span class=\"toc_number toc_depth_1\">1<\/span> \u5ea7\u6a19\u5e73\u9762\u3068\u30d9\u30af\u30c8\u30eb<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u6210\u5206\u306b\u3088\u308b\u6f14\u7b97<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u5ea7\u6a19\u5e73\u9762\u3068\u30d9\u30af\u30c8\u30eb<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5ea7\u6a19\u3068\u306e\u95a2\u9023<\/h3>\n\n\n\n<p>\u30d9\u30af\u30c8\u30eb\u306f\u300c\u5411\u304d\u300d\u3068\u300c\u5927\u304d\u3055\u300d\u3092\u3082\u3063\u305f\u91cf\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u30d9\u30af\u30c8\u30eb\u3092\u5ea7\u6a19\u5e73\u9762\u4e0a\u3067\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u539f\u70b9\u3092 $\\rmO$ \u3068\u3057\uff0c\u70b9 $\\rmA(1,\\,2)$ \u3092\u5ea7\u6a19\u5e73\u9762\u4e0a\u306b\u3068\u308a\u307e\u3059\u3002\u3053\u306e\u3068\u304d $\\vec{\\rmO\\rmA}=(1,\\,2)$ \u3068\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"146\" height=\"146\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66201.svg\" alt=\"\" class=\"wp-image-5342\"\/><noscript><img decoding=\"async\" width=\"146\" height=\"146\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66201.svg\" alt=\"\" class=\"wp-image-5342\"\/><\/noscript><\/figure>\n\n\n\n<div aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3067\u306f\uff0c\u70b9 $\\rmB(2,\\,1)$ \u3068\u70b9 $\\rmC(3,\\,3)$ \u3068\u306a\u308b\u3068\u304d\uff0c$\\vec{\\rmB\\rmC}$ \u306f\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002\u56f3\u304b\u3089\u308f\u304b\u308b\u901a\u308a\uff0c$\\vec{\\rmB\\rmC}=\\vec{\\rmO\\rmA}$ \u3067\u3059\u306e\u3067\uff0c$\\vec{\\rmB\\rmC}=(1,\\,2)$ \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6210\u5206\u3092\u7528\u3044\u305f\u8868\u8a18<\/h3>\n\n\n\n<p>\u5ea7\u6a19\u5e73\u9762\u4e0a\u3067\u70b9 $\\rmP(x_1,\\,y_1)$ \u304c\u3042\u308b\u3068\u304d\uff0c<\/p>\n\n\n\n<p>$$\\vec{\\rmO\\rmP}=(x_1,\\,y_1)=\\dbinom{x_1}{y_1}$$\u3068\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\uff0c\u30d9\u30af\u30c8\u30eb\u306f\u6210\u5206\u3067\u8868\u3059\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u5358\u306b $(x_1,\\,y_1)$ \u3068\u3060\u3051\u304b\u304b\u308c\u305f\u5834\u5408\uff0c\u305d\u308c\u304c\u70b9\u306e\u5ea7\u6a19\u3092\u8868\u3057\u3066\u3044\u308b\u306e\u304b\uff0c\u30d9\u30af\u30c8\u30eb\u3092\u8868\u3057\u3066\u3044\u308b\u306e\u304b\u5224\u65ad\u3067\u304d\u306a\u3044\u306e\u3067\uff0c\u30d9\u30af\u30c8\u30eb\u3092\u6210\u5206\u3067\u304b\u304f\u3068\u304d\u306b\u306f $\\begin{pmatrix}x_1\\\\ y_1\\end{pmatrix}$ \u306e\u3088\u3046\u306a\u5f62\u3067\u304b\u304f\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6210\u5206\u8868\u793a\u306e\u5229\u70b9<\/h3>\n\n\n\n<p>\u6210\u5206\u8868\u793a\u306e\u3088\u3044\u70b9\u306f\uff0c$x$ \u5ea7\u6a19\u3068 $y$ \u5ea7\u6a19\u3092\u8a2d\u5b9a\u3059\u308c\u3070\uff0c\u3069\u3093\u306a\u30d9\u30af\u30c8\u30eb\u306a\u306e\u304b\u3059\u3050\u306b\u30a4\u30e1\u30fc\u30b8\u3067\u304d\u308b\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"110\" height=\"136\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66377.svg\" alt=\"\" class=\"wp-image-5426\"\/><noscript><img decoding=\"async\" width=\"110\" height=\"136\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66377.svg\" alt=\"\" class=\"wp-image-5426\"\/><\/noscript><\/figure>\n\n\n\n<p>\u70b9 $\\rmP$ \u306e\u5ea7\u6a19\u304c $(-3,\\,4)$ \u3068\u4e0e\u3048\u3089\u308c\u308b\u3068\uff0c<\/p>\n\n\n\n<p>$$\\begin{aligned}\\vec{\\rmO\\rmP}=\\dbinom{-3}{4}\\end{aligned}$$\u3067\u3042\u308a\uff0c$\\left|\\vec{\\rmO\\rmP}\\right|$ \u306f2\u70b9 $\\rmO$\uff0c$\\rmP$ \u9593\u306e\u8ddd\u96e2\u3092\u8868\u3059\u306e\u3067\uff0c$\\left|\\vec{\\rmO\\rmP}\\right|=5$ \u3068\u3044\u3046\u3053\u3068\u304c\u3059\u3050\u306b\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p><span class=\"st-mymarker-s\">\uff08\u5ea7\u6a19\uff09$=$\uff08\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb\uff09<\/span>\u3068\u3044\u3046\u3053\u3068\u3092\u7406\u89e3\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u6210\u5206\u306b\u3088\u308b\u6f14\u7b97<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u611f\u899a\u901a\u308a<\/h3>\n\n\n\n<p>\u30d9\u30af\u30c8\u30eb\u3092\u6210\u5206\u8868\u793a\u3057\u305f\u3082\u306e\u306b\u3064\u3044\u3066\uff0c\u6f14\u7b97\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u307e\u3067\u306e\u6271\u3044\u65b9\u3068\u307b\u3068\u3093\u3069\u5909\u308f\u308a\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title post-hashiro-point\" style=\"background-color:#fff;border-color:#ff7f50\"><p class=\"st-mybox-title\" style=\"color:#ff7f50;font-weight:bold;text-shadow:#fff 3px 0px 0px, #fff 2.83487px .981584px 0px, #fff 2.35766px 1.85511px 0px, #fff 1.62091px 2.52441px 0px, #fff .705713px 2.91581px 0px, #fff -0.287171px 2.98622px 0px, #fff -1.24844px 2.72789px 0px, #fff -2.07227px 2.16926px 0px, #fff -2.66798px 1.37182px 0px, #fff -2.96998px .42336px 0px, #fff -2.94502px -0.571704px 0px, #fff -2.59586px -1.50383px 0px, #fff -1.96093px -2.27041px 0px, #fff -1.11013px -2.78704px 0px, #fff -0.137119px -2.99686px 0px, #fff .850987px -2.87677px 0px, #fff 1.74541px -2.43999px 0px, #fff 2.44769px -1.73459px 0px, #fff 2.88051px -0.838246px 0px;background:linear-gradient(0deg, #fff 0%, #fff 55%, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0) 100%)\"><i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"\"><\/i>\u30d9\u30af\u30c8\u30eb\u306e\u6210\u5206\u6f14\u7b97<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u539f\u70b9 $\\rmO$\uff0c\u70b9 $\\rmA(x_1,\\,y_1)$\uff0c\u70b9 $\\rmB(x_2,\\,y_2)$ \u306b\u304a\u3044\u3066\uff0c<\/p>\n\n\n\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">$$\\begin{aligned} &amp;\\vec{\\rmO\\rmA}\\pm\\vec{\\rmO\\rmB}=\\dbinom{x_1}{y_1}\\pm\\dbinom{x_2}{y_2}=\\dbinom{x_1\\pm x_2}{y_1\\pm y_2}\\\\[9pt]&amp;k\\vec{\\rmO\\rmA}=k\\dbinom{x_1}{y_1}=\\dbinom{kx_1}{ky_1}\\\\[9pt]&amp;\\left|\\vec{\\rmO\\rmA}\\right|=\\sqrt{x_1^2+y_1^2}\\\\[9pt]&amp;\\vec{\\rmA\\rmB}=\\vec{\\rmO\\rmB}-\\vec{\\rmO\\rmA}=\\dbinom{x_2}{y_2}-\\dbinom{x_1}{y_1}=\\dbinom{x_2-x_1}{y_2-y_1} \\end{aligned}$$<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u5ea7\u6a19\u5e73\u9762\u3068\u30d9\u30af\u30c8\u30eb2 \u6210\u5206\u306b\u3088\u308b\u6f14\u7b97 \u5ea7\u6a19\u5e73\u9762\u3068\u30d9\u30af\u30c8\u30eb \u5ea7\u6a19\u3068\u306e\u95a2\u9023 \u30d9\u30af\u30c8\u30eb\u306f\u300c\u5411\u304d\u300d\u3068\u300c\u5927\u304d\u3055\u300d\u3092\u3082\u3063\u305f\u91cf\u3067\u3059\u3002 \u539f\u70b9\u3092 $\\rmO$ \u3068\u3057\uff0c\u70b9 $\\rmA(1,\\,2)$ \u3092\u5ea7\u6a19\u5e73\u9762\u4e0a &#8230; <\/p>\n","protected":false},"author":1,"featured_media":5327,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,32],"tags":[],"class_list":["post-5303","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vector","category-32"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5303"}],"collection":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5303"}],"version-history":[{"count":23,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5303\/revisions"}],"predecessor-version":[{"id":8811,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5303\/revisions\/8811"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/5327"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}