{"id":5510,"date":"2025-01-09T15:51:33","date_gmt":"2025-01-09T06:51:33","guid":{"rendered":"https:\/\/torisetudy.com\/?p=5510"},"modified":"2026-03-09T17:50:38","modified_gmt":"2026-03-09T08:50:38","slug":"%e5%90%88%e6%88%90%e9%96%a2%e6%95%b0","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=5510","title":{"rendered":"\u5408\u6210\u95a2\u6570"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u5408\u6210\u95a2\u6570<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5408\u6210\u95a2\u6570\u3068\u306f<\/h3>\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>\u3044\u304d\u306a\u308a\u5408\u6210\u95a2\u6570\u306e\u8a71\u304c\u59cb\u307e\u308a\u307e\u3059\u304c\uff0c\u6570\u2162\u306e\u5fae\u5206\u3092\u5b66\u3076\u306b\u3042\u305f\u3063\u3066\u5fc5\u9808\u306e\u5185\u5bb9\u3067\u3059\uff01\u7269\u7406\u3067\u3082\u4f7f\u7528\u3059\u308b\u8003\u3048\u65b9\u3067\u3059\u306e\u3067\uff0c\u3057\u3063\u304b\u308a\u3068\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u4e00\u822c\u306b\uff0c2\u3064\u306e\u95a2\u6570 $y=f(x)$\uff0c$z=g(y)$ \u304c\u3042\u308a\uff0c$f(x)$ \u306e\u5024\u57df\u304c $g(y)$ \u306e\u5b9a\u7fa9\u57df\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u3068\u304d\uff0c$g(y)$ \u306b $y=f(x)$ \u3092\u4ee3\u5165\u3059\u308b\u3068\uff0c\u65b0\u3057\u3044\u95a2\u6570 $z=g(f(x))$ \u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u95a2\u6570\u3092 $f(x)$ \u3068 $g(x)$ \u306e<span class=\"st-mymarker-s\">\u5408\u6210\u95a2\u6570<\/span>\u3068\u3044\u3044\u307e\u3059\u3002\u5408\u6210\u95a2\u6570\u306f $(g\\circ f)(x)$ \u3068\u304b\u304f\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5408\u6210\u95a2\u6570\u306e\u30a4\u30e1\u30fc\u30b8<\/h3>\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>\u56f3\u3092\u7528\u3044\u3066\u5408\u6210\u95a2\u6570\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>$y=f(x)$ \u3068\u3044\u3046\u95a2\u6570\u306f\u300c$x$ \u306e\u5024\u3092 $y$ \u306e\u5024\u306b\u5909\u63db\u3059\u308b\u88c5\u7f6e $f$\u300d\u306e\u3088\u3046\u306a\u3082\u306e\u3068\u8003\u3048\u3066\u307f\u307e\u3059\u3002$(g\\circ f)(x)$ \u306f\uff0c$f$ \u3068\u3044\u3046\u88c5\u7f6e\u3067\u5909\u63db\u3057\u305f\u5024\u3092 $g$ \u3068\u3044\u3046\u88c5\u7f6e\u3067\u3055\u3089\u306b\u5909\u63db\u3059\u308b\u3088\u3046\u306a\u30a4\u30e1\u30fc\u30b8\u306a\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"283\" height=\"158\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66270.svg\" alt=\"\" class=\"wp-image-5513\"\/><noscript><img decoding=\"async\" width=\"283\" height=\"158\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66270.svg\" alt=\"\" class=\"wp-image-5513\"\/><\/noscript><\/figure>\n\n\n\n<p>\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u306e\u306f\uff0c$(g\\circ f)(x)$ \u3068\u3044\u3046\u95a2\u6570\u306f\uff0c$x$ \u3068\u3044\u3046\u5024\u3092\u307e\u305a\u306f $f$ \u3067\u5909\u63db\u3057\uff0c\u305d\u3057\u3066 $g$ \u3067\u5909\u63db\u3059\u308b\u3068\u3044\u3046\u9806\u756a\u3067\u3059\u3002\u3053\u308c\u3082\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u304c\uff0c\u53f3\u304b\u3089\u9806\u306b\u64cd\u4f5c\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"205\" height=\"101\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66271.svg\" alt=\"\" class=\"wp-image-5514\"\/><noscript><img decoding=\"async\" width=\"205\" height=\"101\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u6570\u5b66271.svg\" alt=\"\" class=\"wp-image-5514\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3053\u306e\u3053\u3068\u304b\u3089\u3082\u308f\u304b\u308b\u3088\u3046\u306b\uff0c$(g\\circ f)(x)$ \u3068 $(f\\circ g)(x)$ \u306f\u64cd\u4f5c\u306e\u9806\u756a\u304c\u5909\u308f\u308a\u307e\u3059\u304b\u3089\uff0c\u540c\u3058\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306b\uff0c$(g\\circ f)(x)\\ne(f\\circ g)(x)$ \u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon4 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u540c\u3058\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div><div class=\"st-kaiwa-face2\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u5b66\u7fd2\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u5b66\u7fd2\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>\u305f\u3068\u3048\u3070\uff0c$f(x)=2x+1$\uff0c$g(x)=x^2$ \u3068\u3059\u308b\u3068\u304d\uff0c<\/p>\n\n\n\n<p>$$\\begin{aligned} (g\\circ f)(x)&amp;=g(f(x))=(2x+1)^2=4x^2+4x+1\\\\ (f\\circ g)(x)&amp;=f(g(x))=2x^2+1 \\end{aligned}$$\u306e\u3088\u3046\u306b\u306a\u308a\uff0c\u5168\u304f\u9055\u3046\u95a2\u6570\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5408\u6210\u95a2\u6570\u3092\u6271\u3046\u969b\u306b\u306f\uff0c\u3053\u306e\u9806\u5e8f\u3092\u610f\u8b58\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5408\u6210\u95a2\u6570 \u5408\u6210\u95a2\u6570\u3068\u306f \u4e00\u822c\u306b\uff0c2\u3064\u306e\u95a2\u6570 $y=f(x)$\uff0c$z=g(y)$ \u304c\u3042\u308a\uff0c$f(x)$ \u306e\u5024\u57df\u304c $g(y)$ \u306e\u5b9a\u7fa9\u57df\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u3068\u304d\uff0c$g(y)$ \u306b $y=f(x)$ \u3092\u4ee3\u5165\u3059\u308b &#8230; <\/p>\n","protected":false},"author":1,"featured_media":5512,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37,32],"tags":[],"class_list":["post-5510","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-calculus","category-32"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5510"}],"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=5510"}],"version-history":[{"count":2,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5510\/revisions"}],"predecessor-version":[{"id":5515,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5510\/revisions\/5515"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/5512"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}