{"id":5632,"date":"2025-03-02T18:37:45","date_gmt":"2025-03-02T09:37:45","guid":{"rendered":"https:\/\/torisetudy.com\/?p=5632"},"modified":"2025-03-03T12:26:59","modified_gmt":"2025-03-03T03:26:59","slug":"y-x%e3%82%b0%e3%83%a9%e3%83%95%e3%81%ae%e6%95%b0%e5%bc%8f%e8%a1%a8%e7%8f%be","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=5632","title":{"rendered":"y-x\u30b0\u30e9\u30d5\u306e\u6570\u5f0f\u8868\u73fe"},"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> \u6b63\u5f26\u9032\u884c\u6ce2\u306e\u6570\u5f0f\u8868\u8a18<\/a><\/li><li><a href=\"#y-x\"><span class=\"toc_number toc_depth_1\">2<\/span> $y-x$ \u30b0\u30e9\u30d5\u306e\u6570\u5f0f\u8868\u8a18<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u6b63\u5f26\u9032\u884c\u6ce2\u306e\u6570\u5f0f\u8868\u8a18<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">3\u3064\u306e\u5909\u6570<\/h3>\n\n\n\n<p>\u7269\u7406\u57fa\u790e\u3067\uff0c\u6b63\u5f26\u9032\u884c\u6ce2\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002\u6ce2\u306f\u5e38\u306b\u6642\u9593\u5909\u5316\u3057\u3066\u3044\u304f\u306e\u3067\uff0c\u6b63\u5f26\u6ce2\u3092\u8003\u3048\u308b\u306b\u3042\u305f\u3063\u3066\u306f\uff0c\u300c\u2460 \u5a92\u8cea\u306e\u4f4d\u7f6e $x$\u300d\u300c\u2461 \u5a92\u8cea\u306e\u5909\u4f4d $y$\u300d\u300c\u2462 \u6642\u523b $t$\u300d\u306e3\u3064\u306e\u5909\u6570\u3092\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6570\u5f0f\u8868\u8a18\u306b\u3042\u305f\u3063\u3066<\/h3>\n\n\n\n<p>\u3057\u304b\u3057\uff0c\u30b0\u30e9\u30d5\u3067\u6ce2\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306b\u306f3\u5909\u6570\u3092\u540c\u6642\u306b\u8868\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\u305f\u3081\uff0c\u6642\u523b $t$ \u3092\u56fa\u5b9a\u3057\u305f $y-x$ \u30b0\u30e9\u30d5\u3084\uff0c\u5a92\u8cea\u306e\u4f4d\u7f6e $x$ \u3092\u56fa\u5b9a\u3057\u305f $y-t$ \u30b0\u30e9\u30d5\u3092\u8003\u3048\u305f\u306e\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon3 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u3057\u304b\u3057\uff0c\u6570\u5f0f\u3060\u3063\u305f\u3089\u3069\u3046\u3067\u3057\u3087\u3046\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\u6319\u624b\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u6319\u624b\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>\u300c\u4efb\u610f\u306e\u6642\u523b $t$ \u306b\u304a\u3051\u308b\uff0c\u4efb\u610f\u306e\u4f4d\u7f6e $x$ \u306e\u5a92\u8cea\u306e\u5909\u4f4d $y$\u300d\u3092\u7d50\u3073\u3064\u3051\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u5909\u4f4d $y$ \u3092\uff0c\u6642\u523b $t$ \u3068\u5a92\u8cea\u306e\u4f4d\u7f6e $x$ \u306e\u95a2\u6570\u3068\u3057\u3066\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u305f\u3089\u4fbf\u5229\u3067\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<p>\u305d\u3046\u3044\u3063\u305f\u5f0f\u304c\u3042\u308c\u3070\uff0c\u300c$x=3\\m$ \u306e\u4f4d\u7f6e\u306e\u5a92\u8cea\u306e\uff0c$t=5\\s$ \u306b\u304a\u3051\u308b\u5909\u4f4d $y\\m$ \u3092\u77e5\u308a\u305f\u3044\uff01\u300d\u3068\u3044\u3063\u305f\u5834\u5408\u306b\u5024\u3092\u4ee3\u5165\u3059\u308b\u3060\u3051\u3067\u3059\u3050\u306b $y$ \u304c\u6c42\u3081\u3089\u308c\u308b\u308f\u3051\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>\u305d\u3046\u3057\u305f\u6b63\u5f26\u9032\u884c\u6ce2\u306e\u6570\u5f0f\u8868\u8a18\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label post-hashiro-tyuu\" style=\"color:#808080;background-color:#f5f5f5\"><div class=\"clip-fonticon\" style=\"color:#919191;border-color:#9191914d\"><i class=\"st-fa st-svg-exclamation-circle st-css-no\" data-icon-label=\"\u6ce8\" aria-hidden=\"\"><\/i><\/div><div class=\"clip-memotext\" style=\"color:#808080\">\n<p class=\"has-st-icon has-st-icon-exclamation-circle\">\u6642\u523b $t$ \u3068\u5a92\u8cea\u306e\u4f4d\u7f6e $x$ \u306e\u95a2\u6570\u3068\u3057\u3066\u8868\u3057\u305f\u5909\u4f4d $y$ \u306e\u5f0f\u3092\uff0c$y(x,\\,t)$ \u3068\u8868\u8a18\u3059\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title post-hashiro-normalbox\" style=\"background-color:#fff;border-color:#777777\"><p class=\"st-mybox-title\" style=\"color:#777777;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-check-circle st-css-no\" aria-hidden=\"\"><\/i>\u76ee\u6a19<\/p><div class=\"st-in-mybox\">\n<p>\u6b63\u5f26\u9032\u884c\u6ce2\u306b\u3064\u3044\u3066\uff0c\u4efb\u610f\u306e\u6642\u523b $t$ \u306b\u304a\u3051\u308b\uff0c\u4efb\u610f\u306e\u4f4d\u7f6e $x$ \u306e\u5a92\u8cea\u306e\u5909\u4f4d $y$ \u3092\u8868\u3059\u5f0f $y(x,\\,t)$ \u3092\u6c42\u3081\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"y-x\">$y-x$ \u30b0\u30e9\u30d5\u306e\u6570\u5f0f\u8868\u8a18<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6570\u5f0f\u8868\u8a18\u306e\u305f\u3081\u306b<\/h3>\n\n\n\n<p>\u307e\u305a\u306f $y-x$ \u30b0\u30e9\u30d5\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002$y-x$ \u30b0\u30e9\u30d5\u306f\u6642\u523b $t$ \u3092\u56fa\u5b9a\u3057\uff0c\u305d\u306e\u6642\u523b\u306e\u5a92\u8cea\u306e\u69d8\u5b50\u3092\u305d\u306e\u307e\u307e\u5f62\u306b\u3057\u305f\u30b0\u30e9\u30d5\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"177\" height=\"125\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406652.svg\" alt=\"\" class=\"wp-image-5638\"\/><noscript><img decoding=\"async\" width=\"177\" height=\"125\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406652.svg\" alt=\"\" class=\"wp-image-5638\"\/><\/noscript><\/figure>\n\n\n\n<p>\u6642\u523b $t=0$ \u306b\u304a\u3051\u308b $y-x$ \u30b0\u30e9\u30d5\u306e\u6982\u5f62\u304c\u4e0a\u56f3\u306e\u901a\u308a\u3067\u3042\u308b\u3068\u304d\uff0c\u3053\u306e\u30b0\u30e9\u30d5\u3092\u6570\u5f0f\u3068\u3057\u3066\u8868\u73fe\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3053\u306e\u3068\u304d\u601d\u3044\u51fa\u3057\u3066\u307b\u3057\u3044\u306e\u304c\uff0c\u529b\u5b66\u3067\u6271\u3063\u305f\u5358\u632f\u52d5\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>\u8fbc\u307f\u5165\u3063\u305f\u8a71\u306f\u3057\u307e\u305b\u3093\u306e\u3067\uff0c\u300c\u5358\u632f\u52d5\u30a2\u30ec\u30eb\u30ae\u30fc\u306a\u3093\u3067\u3059\uff01\u300d\u3068\u3044\u3046\u4eba\u3082\u5b89\u5fc3\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f4d\u76f8\u306b\u3064\u3044\u3066<\/h3>\n\n\n\n<p>\u5358\u632f\u52d5\u306e\u30b0\u30e9\u30d5\u3092\u6271\u3063\u305f\u969b\u306b4\u3064\u306e\u30b0\u30e9\u30d5\u306b\u3064\u3044\u3066\u8003\u3048\u307e\u3057\u305f\u3088\u306d\u3002\u4eca\u56de\u306e\u30b0\u30e9\u30d5\u306f $+\\sin$ \u578b\u306e\u5f62\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u632f\u5e45\u304c $A$ \u3067\u3042\u308b\u3053\u3068\u3092\u8e0f\u307e\u3048\u308b\u3068\uff0c$y=A\\sin\\stext{\u25ef}$ \u306e\u5f62\u3067\u8868\u8a18\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002\u4e09\u89d2\u95a2\u6570\u306e\u4e2d\u8eab\u3067\u3042\u308b\u25ef\u306e\u90e8\u5206\uff08<span class=\"st-mymarker-s\">\u4f4d\u76f8<\/span>\uff09\u304c\u3069\u306e\u3088\u3046\u306b\u304b\u3051\u308b\u304b\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u4f4d\u76f8\u306e1\u5468\u671f\u306f $2\\pi$ \u3067\u3059\u3088\u306d\u3002\u6b63\u5f26\u6ce2\u306e\u6ce2\u9577\u306f $\\lambda$ \u3067\u3059\u306e\u3067\uff0c$x=\\lambda$ \u306e\u4f4d\u7f6e\u3067\u4f4d\u76f8\u304c\u3061\u3087\u3046\u3069 $2\\pi$ \u306b\u306a\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon2 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u3067\u306f\uff0c\u4f4d\u7f6e$x$ \u306b\u304a\u3051\u308b\u4f4d\u76f8\u306e\u5024\u306f\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\uff1f<\/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\u7591\u554f\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u7591\u554f\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>\u4f4d\u7f6e $x$ \u306f\uff0c$x=\\lambda$ \u306e\u5834\u6240\u3068\u6bd4\u3079\u3066\uff0c$\\Bun{x}{\\lambda}$ \u500d\u3055\u308c\u305f\u5834\u6240\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3088\u3063\u3066\uff0c\u5bfe\u5fdc\u3059\u308b\u4f4d\u76f8\u3082 $\\Bun{x}{\\lambda}$ \u500d\u3059\u308c\u3070ok\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"248\" height=\"97\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406653.svg\" alt=\"\" class=\"wp-image-5639\"\/><noscript><img decoding=\"async\" width=\"248\" height=\"97\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406653.svg\" alt=\"\" class=\"wp-image-5639\"\/><\/noscript><\/figure>\n\n\n\n<p>\u6ce8\u76ee\u3057\u3066\u3044\u305f\u30b0\u30e9\u30d5\u306f\u300c\u6642\u523b $t=0$ \u306b\u304a\u3051\u308b\uff0c\u4f4d\u7f6e $x$ \u306e\u5909\u4f4d $y$\u300d\u3092\u8868\u3057\u3066\u3044\u308b\u306e\u3067\uff0c\u5909\u4f4d $y$ \u306f $y(x,\\,0)$ \u3068\u8868\u8a18\u3067\u304d\u307e\u3059\u3002\u3088\u3063\u3066\uff0c<\/p>\n\n\n\n<p>$$y(x,\\,0)=A\\sin2\\pi\\bun{x}{\\lambda}$$\u304c\u6c42\u3081\u308b\u5f0f\u3067\u3059\u306d\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>$x$ \u304c $\\lambda$ \u5897\u3048\u308b\u3054\u3068\u306b\uff0c\u4f4d\u76f8\u306f $2\\pi$ \u5897\u3048\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u308b\u304b\u3068\u601d\u3044\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<h3 class=\"wp-block-heading\">\u4f4d\u76f8\u306b\u6ce8\u76ee\u3057\u305f\u4e00\u822c\u5316<\/h3>\n\n\n\n<p>\u3053\u3053\u3067\u51fa\u3066\u304d\u305f $\\Bun{x}{\\lambda}$ \u3068\u3044\u3046\u5024\u306f\uff0c\u300c\u4f4d\u7f6e $x$ \u304c\uff0c\u539f\u70b9\u304b\u3089\u6ce2\u4f55\u500b\u5206\u96e2\u308c\u305f\u4f4d\u7f6e\u306b\u3042\u308b\u304b\u300d\u3092\u8868\u3059\u5024\u3067\u3059\u3002<\/p>\n\n\n\n<p>$x=\\lambda$ \u3067\u3042\u308c\u3070\uff0c$\\Bun{\\lambda}{\\lambda}=1$\uff08\u500b\u5206\uff09\uff0c$x=3\\lambda$ \u3067\u3042\u308c\u3070\uff0c$\\Bun{3\\lambda}{\\lambda}=3$\uff08\u500b\u5206\uff09\u3068\u3044\u3063\u305f\u5177\u5408\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u4f4d\u76f8\u306e\u5468\u671f $2\\pi$ \u3092\u304b\u3051\u305f\u5024\u3067\u3042\u308b $2\\pi\\bun{x}{\\lambda}$ \u306f\uff0c\u300c\u4f4d\u7f6e\u306e\u30ba\u30ec $x$ \u306b\u5bfe\u5fdc\u3059\u308b\u4f4d\u76f8\u306e\u30ba\u30ec\u300d\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u300c\u4f4d\u7f6e\u304c $x$ \u3060\u3051\u305a\u308c\u308b\u3068\uff0c\u4e09\u89d2\u95a2\u6570\u306e\u4e2d\u8eab\u306f $2\\pi\\Bun{x}{\\lambda}$ \u3060\u3051\u305a\u308c\u308b\u3088\uff01\u300d\u3068\u3044\u3046\u3053\u3068\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>\u3053\u306e\u3053\u3068\u3092\u8e0f\u307e\u3048\u3066\uff0c\u4e00\u822c\u5316\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u539f\u70b9\u306b\u304a\u3051\u308b\u4f4d\u76f8\u304c $\\varphi$ \u3067\u3042\u308b\u5834\u5408\uff0c\u4f4d\u7f6e $x$ \u306e\u4f4d\u76f8\u306f $\\varphi$ \u304b\u3089 $2\\pi\\bun{x}{\\lambda}$ \u3060\u3051\u305a\u308c\u308b\u305f\u3081\uff0c$2\\pi\\bun{x}{\\lambda}+\\varphi$ \u3068\u8868\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3088\u3063\u3066\uff0c<\/p>\n\n\n\n<p>$$y(x,\\,0)=A\\sin\\left(2\\pi\\bun{x}{\\lambda}+\\varphi\\right)$$\u304c\u4e00\u822c\u7684\u306a $y-x$\u30b0\u30e9\u30d5\u3092\u6570\u5f0f\u5316\u3057\u305f\u5f62\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label post-hashiro-tyuu\" style=\"color:#808080;background-color:#f5f5f5\"><div class=\"clip-fonticon\" style=\"color:#919191;border-color:#9191914d\"><i class=\"st-fa st-svg-exclamation-circle st-css-no\" data-icon-label=\"\u6ce8\" aria-hidden=\"\"><\/i><\/div><div class=\"clip-memotext\" style=\"color:#808080\">\n<p class=\"has-st-icon has-st-icon-exclamation-circle\">\u5148\u307b\u3069\u78ba\u8a8d\u3057\u305f $+\\sin$ \u578b\u306e\u5834\u5408\u306f\uff0c$\\varphi=0$ \u306b\u5bfe\u5fdc\u3059\u308b\u3002\u305f\u3068\u3048\u3070 $+\\cos$ \u578b\u3067\u3042\u308c\u3070\uff0c$\\varphi=\\bun{\\pi}{2}$ \u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n<\/div><\/div>\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>$y-x$ \u30b0\u30e9\u30d5\u306e\u6570\u5f0f\u8868\u73fe<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u632f\u5e45\u304c $A$\uff0c\u6ce2\u9577\u304c $\\lambda$ \u3067\u3042\u308b\u6b63\u5f26\u9032\u884c\u6ce2\u306b\u304a\u3044\u3066\uff0c\u6642\u523b $t=0$ \u306b\u304a\u3051\u308b\u4f4d\u7f6e $x$ \u306e\u5a92\u8cea\u306e\u5909\u4f4d $y(x,\\,0)$ \u306f\uff0c<\/p>\n\n\n\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">$$y(x,\\,0)=A\\sin\\left(2\\pi\\bun{x}{\\lambda}+\\varphi\\right)$$\u306e\u5f62\u3067\u8868\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u3053\u306e\u6570\u5f0f\u3092\u30b0\u30e9\u30d5\u3068\u3057\u3066\u53ef\u8996\u5316\u3057\u305f\u3082\u306e\u304c $y-x$ \u30b0\u30e9\u30d5\u3067\u3042\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-st-blocks-midashi-box freebox has-title post-hashiro-reidai\" style=\"background-color:#f7f7fb;border-width:3px;border-color:#a3bded\"><p class=\"p-free\" style=\"border-color:#a3bded;font-weight:bold\"><span class=\"p-entry-f\" style=\"color:#ffffff;font-weight:bold;background-color:#a3bded\"><i class=\"st-fa st-svg-pencil st-css-no\" aria-hidden=\"\"><\/i>\u4f8b\u984c<\/span><\/p><div class=\"free-inbox\">\n<p>$x$ \u8ef8\u6b63\u306e\u5411\u304d\u306b\u9032\u3080\u6b63\u5f26\u9032\u884c\u6ce2\u306e\u6642\u523b $t=0\\s$ \u306b\u304a\u3051\u308b\u6ce2\u5f62\u304c\u53f3\u56f3\u306e\u901a\u308a\u3067\u3042\u308b\u3068\u304d\uff0c\u4f4d\u7f6e $x\\m$ \u306e\u5a92\u8cea\u306e\u5909\u4f4d $y(x,\\,0)\\m$ \u3092\u6c42\u3081\u3088\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"177\" height=\"125\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406654.svg\" alt=\"\" class=\"wp-image-5640\" title=\"\"\/><noscript><img decoding=\"async\" width=\"177\" height=\"125\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406654.svg\" alt=\"\" class=\"wp-image-5640\" title=\"\"\/><\/noscript><\/figure>\n\n\n\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group post-hashiro-reidaikaitou\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u30b0\u30e9\u30d5\u306e\u6ce2\u5f62\u306f $+\\cos$ \u578b\u3067\u3042\u308a\uff0c\u30b0\u30e9\u30d5\u3088\u308a\u6ce2\u9577\u304c $\\lambda=8.0\\m$ \u3067\u3042\u308b\u3053\u3068\u304c\u8aad\u307f\u53d6\u308c\u308b\u3002\u3088\u3063\u3066\uff0c<\/p>\n\n\n\n<p>$$y(x,\\,0)=2.0\\sin2\\pi\\bun{x}{8.0}\\m$$<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label post-hashiro-tyuu\" style=\"color:#808080;background-color:#f5f5f5\"><div class=\"clip-fonticon\" style=\"color:#919191;border-color:#9191914d\"><i class=\"st-fa st-svg-exclamation-circle st-css-no\" data-icon-label=\"\u6ce8\" aria-hidden=\"\"><\/i><\/div><div class=\"clip-memotext\" style=\"color:#808080\">\n<p class=\"has-st-icon has-st-icon-exclamation-circle\">\u5f0f\u3092\u6574\u7406\u3057\u3066\uff0c$y(x,\\,0)=2.0\\sin\\Bun{x}{4.0}\\pi\\m$ \u3092\u89e3\u7b54\u3068\u3057\u3066\u3082\u3088\u3044\u304c\uff0c\u6ce2\u9577\u306b\u5bfe\u5fdc\u3059\u308b\u5024\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u5f62\u3092\u7b54\u3048\u3068\u3057\u305f\u3002<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u6b63\u5f26\u9032\u884c\u6ce2\u306e\u6570\u5f0f\u8868\u8a182 $y-x$ \u30b0\u30e9\u30d5\u306e\u6570\u5f0f\u8868\u8a18 \u6b63\u5f26\u9032\u884c\u6ce2\u306e\u6570\u5f0f\u8868\u8a18 3\u3064\u306e\u5909\u6570 \u7269\u7406\u57fa\u790e\u3067\uff0c\u6b63\u5f26\u9032\u884c\u6ce2\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002\u6ce2\u306f\u5e38\u306b\u6642\u9593\u5909\u5316\u3057\u3066\u3044\u304f\u306e\u3067\uff0c\u6b63\u5f26\u6ce2\u3092\u8003\u3048\u308b\u306b\u3042\u305f\u3063\u3066\u306f\uff0c\u300c &#8230; <\/p>\n","protected":false},"author":1,"featured_media":5633,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,39],"tags":[],"class_list":["post-5632","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wave","category-39"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5632"}],"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=5632"}],"version-history":[{"count":5,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5632\/revisions"}],"predecessor-version":[{"id":5979,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/5632\/revisions\/5979"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/5633"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}