{"id":5405,"date":"2023-02-28T13:41:30","date_gmt":"2023-02-28T04:41:30","guid":{"rendered":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/?p=5405"},"modified":"2023-03-14T16:15:16","modified_gmt":"2023-03-14T07:15:16","slug":"gnuplot-%e3%81%a72%e6%9b%b2%e7%b7%9a%e3%81%ae%e6%8f%8f%e7%94%bb%e7%af%84%e5%9b%b2%e3%82%92%e5%80%8b%e5%88%a5%e3%81%ab%e8%a8%ad%e5%ae%9a%e3%81%97%e3%81%a6plot%ef%bc%88%e5%a1%97%e3%82%8a%e3%81%a4","status":"publish","type":"post","link":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/5405\/","title":{"rendered":"gnuplot \u30672\u66f2\u7dda\u306e\u63cf\u753b\u7bc4\u56f2\u3092\u500b\u5225\u306b\u8a2d\u5b9a\u3057\u3066 plot \u3068\u5857\u308a\u3064\u3076\u3057"},"content":{"rendered":"<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p>\u4ee5\u4e0b\u306e\u5225\u30da\u30fc\u30b8\u3067\u30e1\u30e2\u3057\u3066\u304a\u3044\u305f\u5185\u5bb9\u3092\u3082\u3046\u5c11\u3057\u304b\u307f\u304f\u3060\u3044\u3066\u3002<\/p>\n<ul>\n<li>\u53c2\u8003\uff1a<a href=\"https:\/\/home.hirosaki-u.ac.jp\/heroic-2020\/1722\/\">gnuplot \u306e plot \u3067\u500b\u5225\u7bc4\u56f2\u6307\u5b9a\u3068\uff12\u66f2\u7dda\u9593\u306e\u9818\u57df\u3092\u5857\u308a\u3064\u3076\u3057<\/a><\/li>\n<li>\u53c2\u8003\uff1a<a href=\"https:\/\/home.hirosaki-u.ac.jp\/heroic-2020\/1801\/\">Maxima \u306e draw2d \u30672\u66f2\u7dda\u9593\u306e\u9818\u57df\u3092\u5857\u308a\u3064\u3076\u3057\u3068\u30b0\u30e9\u30d5\u306e\u66f8\u304d\u51fa\u3057<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<p><!--more--><\/p>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"\u540c\u4e00\u306e\u63cf\u753b\u7bc4\u56f2\u30672\u672c\u306e\u66f2\u7dda\u3092-plot\">\u540c\u4e00\u306e\u63cf\u753b\u7bc4\u56f2\u30672\u672c\u306e\u66f2\u7dda\u3092 plot<\/h3>\n<p>\u967d\u95a2\u6570\u306e plot \u3067\u306f\uff0c2\u3064\u306e\u66f2\u7dda\u3092\u540c\u6642\u306b\u30b0\u30e9\u30d5\u306b\u3059\u308b\u5834\u5408\uff0c\u901a\u5e38\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u63cf\u753b\u7bc4\u56f2\u3092\u5171\u901a\u306b\u3068\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f $y=\\cos x$ \u3068 $y=\\sin x$ \u3092 $0 \\leq x \\leq 2 \\pi$ \u306e\u7bc4\u56f2\u3067 plot \u3057\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[1]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">reset<\/span>\r\n<span class=\"c\"># \u4ee5\u5f8c reset \u3057\u306a\u3044\u9650\u308a\u51e1\u4f8b\u975e\u8868\u793a\u3002<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">key<\/span> <span class=\"n\">off<\/span>\r\n\r\n<span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span><span class=\"o\">,<\/span> <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5426\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri01.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"2\u672c\u306e\u66f2\u7dda\u306e\u63cf\u753b\u7bc4\u56f2\u3092\u500b\u5225\u306b\u8a2d\u5b9a\u3057\u3066-plot\">2\u672c\u306e\u66f2\u7dda\u306e\u63cf\u753b\u7bc4\u56f2\u3092\u500b\u5225\u306b\u8a2d\u5b9a\u3057\u3066 plot<\/h3>\n<p>2\u3064\u306e\u66f2\u7dda\u306e\u63cf\u753b\u7bc4\u56f2\u3092\u305d\u308c\u305e\u308c\u5225\u306b\uff0c\u307e\u305f\u66f2\u7dda\u306e\u63cf\u753b\u7bc4\u56f2\u3068\u30b0\u30e9\u30d5\u306e\u8868\u793a\u7bc4\u56f2\u3092\u72ec\u7acb\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\uff0c\u30b0\u30e9\u30d5\u306e\u8868\u793a\u7bc4\u56f2\u3092\u6a2a\u8ef8 <code>[-0.2:pi+0.2]<\/code>\uff0c\u7e26\u8ef8 <code>[-0.1:1.1]<\/code> \u306b\u3057\uff0c<\/p>\n<ul>\n<li><code>[0:pi\/4]<\/code> \u306e\u7bc4\u56f2\u3067 $y=\\cos x$<\/li>\n<li><code>[0:pi]<\/code> \u306e\u7bc4\u56f2\u3067 $y=\\sin x$<\/li>\n<\/ul>\n<p>\u3092 plot \u3057\u307e\u3059\u3002<code>sample<\/code> \u3068\u3059\u308b\u306e\u304c\u30ad\u30e2\u3067\u3059\u3002<\/p>\n<p><code>help plot sample<\/code> \u304b\u3089\u306e\u5f15\u7528\uff1a<\/p>\n<blockquote><p>\u4f8b:<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u306b\u306f\u3042\u3044\u307e\u3044\u3055\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u5148\u982d\u306e\u7bc4\u56f2\u306f\u3001\u591a\u5206\u6700\u521d\u306e\u95a2\u6570\u306e\u6a19\u672c\u5316\u306e\u307f\u306b\u5411\u3051\u305f\u306e\u3060\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306f\u305d\u3046\u3067\u306f\u306a\u304f\u3001\u3059\u3079\u3066\u306e\u63cf\u753b\u8981\u7d20\u306b\u9069\u7528\u3059\u308b\u3088\u3046\u306b\u89e3\u91c8\u3055\u308c\u307e\u3059:<\/p>\n<pre><code>    plot [0:10] f(x), [10:20] g(x), [20:30] h(x)<\/code><\/pre>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001\u4e0a\u306e\u4f8b\u306e\u3042\u3044\u307e\u3044\u3055\u3092\u9664\u304f\u305f\u3081\u306b\u30ad\u30fc\u30ef\u30fc\u30c9 <code>sample<\/code> \u3092\u8ffd\u52a0\u3057\u305f\u3082\u306e\u3067\u3001\u305d\u306e\u7bc4\u56f2\u6307\u5b9a\u3092 plot \u5168\u4f53\u306b\u9069\u7528\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059:<\/p>\n<pre><code>    plot sample [0:10] f(x), [10:20] g(x), [20:30] h(x)<\/code><\/pre>\n<\/blockquote>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[2]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-0<\/span><span class=\"mf\">.2<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">+<\/span><span class=\"mf\">0.2<\/span><span class=\"p\">]<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-0<\/span><span class=\"mf\">.1<\/span><span class=\"o\">:<\/span><span class=\"mf\">1.1<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5427\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri02.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"\u66f2\u7dda\u3068\u6a2a\u8ef8\u306b\u5e73\u884c\u306a\u76f4\u7dda\u306e\u9593\u3092\u5857\u308a\u3064\u3076\u3059\">\u66f2\u7dda\u3068\u6a2a\u8ef8\u306b\u5e73\u884c\u306a\u76f4\u7dda\u306e\u9593\u3092\u5857\u308a\u3064\u3076\u3059<\/h3>\n<p>$0 \\leq x \\leq \\frac{\\pi}{4}$ \u3064\u307e\u308a <code>[0:pi\/4]<\/code> \u306e\u7bc4\u56f2\u3067 $y=\\cos x$ \u3068 $y=\\sin x$ \u306b\u56f2\u307e\u308c\u305f\u9818\u57df\u3092\u5857\u308a\u3064\u3076\u3057\u3066\u307f\u307e\u3059\u3002\u4e21\u65b9\u304c\u66f2\u7dda\u306e\u3068\u304d\u306f\u3061\u3087\u3063\u3068\u66f8\u5f0f\u304c\u8907\u96d1\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\uff0c\u7247\u65b9\u304c $x$ \u8ef8\u306b\u5e73\u884c\u306a\u76f4\u7dda\uff0c\u305f\u3068\u3048\u3070\u9818\u57df\u304c<\/p>\n<ul>\n<li>\u66f2\u7dda $y=\\cos x$ \u3068<\/li>\n<li>$x$ \u8ef8\u306b\u5e73\u884c\u306a\u76f4\u7dda $y=\\cos\\frac{\\pi}{4}$<\/li>\n<\/ul>\n<p>\u3067\u56f2\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u306f\uff0c<\/p>\n<ul>\n<li><code>[0:pi\/4] cos(x)<\/code> \u306b<\/li>\n<li><code>with filledc (filledcurves) y=cos(pi\/4)<\/code><\/li>\n<\/ul>\n<p>\u3092\u3064\u3051\u3066 plot \u3057\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[3]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-0<\/span><span class=\"mf\">.2<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">+<\/span><span class=\"mf\">0.2<\/span><span class=\"p\">]<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-0<\/span><span class=\"mf\">.1<\/span><span class=\"o\">:<\/span><span class=\"mf\">1.1<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">y<\/span><span class=\"o\">=<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5428\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri03.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p>\u540c\u69d8\u306b\u3057\u3066 $0 \\leq x \\leq \\frac{\\pi}{4}$ \u3064\u307e\u308a <code>[0:pi\/4]<\/code> \u306e\u7bc4\u56f2\u3067\u66f2\u7dda $y=\\sin x$ \u3068\u76f4\u7dda $y=\\cos\\frac{\\pi}{4}$ \u3067\u56f2\u307e\u308c\u305f\u9818\u57df\u306e\u5834\u5408\u306f\uff0c<code>[0:pi\/4] sin(x)<\/code> \u306b<\/p>\n<ul>\n<li><code>with filledc (filledcurves) y=cos(pi\/4)<\/code><\/li>\n<\/ul>\n<p>\u3092\u3064\u3051\u3066 plot \u3057\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[4]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-0<\/span><span class=\"mf\">.2<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">+<\/span><span class=\"mf\">0.2<\/span><span class=\"p\">]<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-0<\/span><span class=\"mf\">.1<\/span><span class=\"o\">:<\/span><span class=\"mf\">1.1<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">y<\/span><span class=\"o\">=<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">y<\/span><span class=\"o\">=<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5423\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri04a.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"\u5857\u308a\u3064\u3076\u3057\u8272\u306e\u8a2d\u5b9a\">\u5857\u308a\u3064\u3076\u3057\u8272\u306e\u8a2d\u5b9a<\/h3>\n<p><code>fc (fillcolor)<\/code> \u3067\u540c\u3058\u8272\u306b\u8a2d\u5b9a\u3059\u308c\u3070\uff0c\u3042\u305f\u304b\u30821\u56de\u3067\u61f8\u6848\u306e\u9818\u57df\u3092\u5857\u308a\u3064\u3076\u3057\u305f\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[5]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-0<\/span><span class=\"mf\">.2<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">+<\/span><span class=\"mf\">0.2<\/span><span class=\"p\">]<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-0<\/span><span class=\"mf\">.1<\/span><span class=\"o\">:<\/span><span class=\"mf\">1.1<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">y<\/span><span class=\"o\">=<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span> <span class=\"n\">fc<\/span> <span class=\"s\">'yellow'<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">y<\/span><span class=\"o\">=<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span> <span class=\"n\">fc<\/span> <span class=\"s\">'yellow'<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5429\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri04-1.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"\u967d\u95a2\u6570\u3067\u8868\u3055\u308c\u305f2\u66f2\u7dda\u306e\u9593\u3092\u5857\u308a\u3064\u3076\u3059\">\u967d\u95a2\u6570\u3067\u8868\u3055\u308c\u305f2\u66f2\u7dda\u306e\u9593\u3092\u5857\u308a\u3064\u3076\u3059<\/h3>\n<p>$x_1 \\leq x \\leq x_2$ \u3064\u307e\u308a <code>[x1:x2]<\/code> \u306e\u7bc4\u56f2\u30672\u66f2\u7dda $y=f(x)$\uff0c$y=g(x)$ \u3067\u56f2\u307e\u308c\u305f\u9818\u57df\u30921\u56de\u3067\u5857\u308a\u3064\u3076\u3059\u306b\u306f\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u66f8\u5f0f\u306f<\/p>\n<ul>\n<li><code>plot [x1:x2] '+' using 1:(f($1)):(g($1)) with filledc<\/code><\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u3067\u306f <code>[0:pi\/4]<\/code> \u306e\u7bc4\u56f2\u3067 $y=\\cos x$ \u3068 $y=\\sin x$ \u3067\u56f2\u307e\u308c\u305f\u9818\u57df\u3092 <code>'yellow'<\/code> \u3067\u5857\u308a\u3064\u3076\u3057\u307e\u3059\u3002<\/p>\n<p>\u5857\u308a\u3064\u3076\u3057\u5f8c\uff0c\u304f\u3063\u304d\u308a\u7e01\u53d6\u308a\u3092\u3059\u308b\u305f\u3081\u306b\uff0c<code>lw (linewidth) 2<\/code> \u3067 <code>lc (linecolor)<\/code> \u3092\u5909\u3048\u3066 <code>[0:pi\/4] cos(x)<\/code> \u304a\u3088\u3073 <code>[0:pi] sin(x)<\/code> \u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[6]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">reset<\/span>\r\n\r\n<span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-0<\/span><span class=\"mf\">.2<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">+<\/span><span class=\"mf\">0.2<\/span><span class=\"p\">]<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-0<\/span><span class=\"mf\">.1<\/span><span class=\"o\">:<\/span><span class=\"mf\">1.1<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"s\">'+'<\/span> <span class=\"nb\">using<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span> \\\r\n               <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">fc<\/span> <span class=\"s\">'yellow'<\/span> <span class=\"nb\">notitle<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'black'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'cos x'<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span>   <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'red'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'sin x'<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5430\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri05-1.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"\u6a2a\u8ef8\u306e\u76ee\u76db\u4f4d\u7f6e\u3068\u76ee\u76db\u30e9\u30d9\u30eb\u306e\u8a2d\u5b9a\">\u6a2a\u8ef8\u306e\u76ee\u76db\u4f4d\u7f6e\u3068\u76ee\u76db\u30e9\u30d9\u30eb\u306e\u8a2d\u5b9a<\/h3>\n<p>\u4eca\u5ea6\u306f\uff0c\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u306b\u3042\u308b\u4f8b\uff1a<br \/>\n$\\displaystyle \\frac{\\pi}{4} \\leq x \\leq \\frac{5\\pi}{4}$ \u306e\u7bc4\u56f2\u3067 $y=\\sin x$ \u3068 $y=\\cos x$ \u3067\u56f2\u307e\u308c\u305f\u90e8\u5206\u3092\u5857\u308a\u3064\u3076\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u53c2\u8003\uff1a<a href=\"https:\/\/home.hirosaki-u.ac.jp\/heroic-2020\/1801\/\">Maxima \u306e draw2d \u30672\u66f2\u7dda\u9593\u306e\u9818\u57df\u3092\u5857\u308a\u3064\u3076\u3057\u3068\u30b0\u30e9\u30d5\u306e\u66f8\u304d\u51fa\u3057<\/a><\/li>\n<\/ul>\n<p>\u6a2a\u8ef8\u306e\u76ee\u76db\u3092 $\\frac{\\pi}{4}$ \u3054\u3068\u306b\u3064\u3051\u308b\u8a2d\u5b9a\u3092\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u300c\u7406\u5de5\u7cfb\u306e\u6570\u5b66B\u300d\u306e\u7a4d\u5206\u306e\u7df4\u7fd2\u554f\u984c\u3067\uff0c\u300c\u56f3\u306e\u5857\u308a\u3064\u3076\u3057\u305f\u90e8\u5206\u306e\u9762\u7a4d\u3092\u6c42\u3081\u3088\u3002\u300d\u306a\u3093\u3066\u3044\u3046\u3068\u304d\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[7]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">reset<\/span>\r\n\r\n<span class=\"c\"># \u6a2a\u8ef8 \u03c0\/4 \u3054\u3068\u306b\u76ee\u76db<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">xtics<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span>\r\n<span class=\"c\"># \u76ee\u76db\u30e9\u30d9\u30eb\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u8a2d\u5b9a<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">format<\/span> <span class=\"n\">x<\/span> <span class=\"s\">'%4.2P \u03c0'<\/span>\r\n\r\n<span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-1<\/span><span class=\"mf\">.1<\/span><span class=\"o\">:<\/span><span class=\"mf\">1.3<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">:<\/span><span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"s\">'+'<\/span> <span class=\"nb\">using<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span> \\\r\n                    <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">fc<\/span> <span class=\"s\">'yellow'<\/span> <span class=\"nb\">notitle<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'blue'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'cos x'<\/span><span class=\"o\">,<\/span> \\\r\n           <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'red'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'sin x'<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5440\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri06.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p>\u6a2a\u8ef8\u306e\u76ee\u76db\u306e\u4f4d\u7f6e\u3068\u30e9\u30d9\u30eb\u3092\u624b\u52d5\u3067\u8a2d\u5b9a\u3059\u308b\u4f8b\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[8]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">reset<\/span>\r\n<span class=\"c\"># \u76ee\u76db\u3068\u30e9\u30d9\u30eb\u3092\u624b\u52d5\u3067\u8a2d\u5b9a\u3059\u308b\u4f8b<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">xtics<\/span> <span class=\"p\">(<\/span><span class=\"s\">\"0\"<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\/4\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\/2\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span><span class=\"s\">\"3\u03c0\/4\"<\/span> <span class=\"mi\">3<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">,<\/span>\\\r\n           <span class=\"s\">\"5\u03c0\/4\"<\/span> <span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"3\u03c0\/2\"<\/span> <span class=\"mi\">3<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span><span class=\"s\">\"7\u03c0\/4\"<\/span> <span class=\"mi\">7<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"2\u03c0\"<\/span> <span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-1<\/span><span class=\"mf\">.1<\/span><span class=\"o\">:<\/span><span class=\"mf\">1.3<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">:<\/span><span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"s\">'+'<\/span> <span class=\"nb\">using<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span> \\\r\n                    <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">fc<\/span> <span class=\"s\">'yellow'<\/span> <span class=\"nb\">notitle<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'blue'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'cos x'<\/span><span class=\"o\">,<\/span> \\\r\n           <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'red'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'sin x'<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5441\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri07.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"\u30b0\u30ea\u30c3\u30c9\uff08\u683c\u5b50\u7dda\uff09\u306e\u8a2d\u5b9a\uff08\u5857\u308a\u3064\u3076\u3057\u90e8\u5206\u3082\u898b\u3048\u308b\u3088\u3046\u306b\uff09\">\u30b0\u30ea\u30c3\u30c9\uff08\u683c\u5b50\u7dda\uff09\u306e\u8a2d\u5b9a\uff08\u5857\u308a\u3064\u3076\u3057\u90e8\u5206\u3082\u898b\u3048\u308b\u3088\u3046\u306b\uff09<\/h3>\n<p><code>set grid<\/code> \u3067\u683c\u5b50\u7dda\u3092\u63cf\u304d\u307e\u3059\u304c\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5857\u308a\u3064\u3076\u3057\u305f\u90e8\u5206\u306e\u683c\u5b50\u304c\u898b\u3048\u306a\u304f\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[9]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">set<\/span> <span class=\"nb\">grid<\/span>\r\n\r\n<span class=\"c\"># \u76ee\u76db\u3068\u30e9\u30d9\u30eb\u3092\u624b\u52d5\u3067\u8a2d\u5b9a\u3059\u308b\u4f8b<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">xtics<\/span> <span class=\"p\">(<\/span><span class=\"s\">\"0\"<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\/4\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\/2\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span><span class=\"s\">\"3\u03c0\/4\"<\/span> <span class=\"mi\">3<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">,<\/span>\\\r\n           <span class=\"s\">\"5\u03c0\/4\"<\/span> <span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"3\u03c0\/2\"<\/span> <span class=\"mi\">3<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span><span class=\"s\">\"7\u03c0\/4\"<\/span> <span class=\"mi\">7<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"2\u03c0\"<\/span> <span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-1<\/span><span class=\"mf\">.1<\/span><span class=\"o\">:<\/span><span class=\"mf\">1.3<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">:<\/span><span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"s\">'+'<\/span> <span class=\"nb\">using<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span> \\\r\n                    <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">fc<\/span> <span class=\"s\">'yellow'<\/span> <span class=\"nb\">notitle<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'blue'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'cos x'<\/span><span class=\"o\">,<\/span> \\\r\n           <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'red'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'sin x'<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5442\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri08.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p>\u305d\u3093\u306a\u3068\u304d\u306f <code>set grid front<\/code> \u3068\u3059\u308b\u3053\u3068\u3067\uff0c\u5857\u308a\u3064\u3076\u3057\u305f\u90e8\u5206\u306e\u4e0a\uff08\u30d5\u30ed\u30f3\u30c8\uff09\u306b\u30b0\u30ea\u30c3\u30c9\u304c\u63cf\u304b\u308c\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[10]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">set<\/span> <span class=\"nb\">grid<\/span> <span class=\"n\">front<\/span>\r\n\r\n<span class=\"c\"># \u76ee\u76db\u3068\u30e9\u30d9\u30eb\u3092\u624b\u52d5\u3067\u8a2d\u5b9a\u3059\u308b\u4f8b<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">xtics<\/span> <span class=\"p\">(<\/span><span class=\"s\">\"0\"<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\/4\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\/2\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span><span class=\"s\">\"3\u03c0\/4\"<\/span> <span class=\"mi\">3<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">,<\/span>\\\r\n           <span class=\"s\">\"5\u03c0\/4\"<\/span> <span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"3\u03c0\/2\"<\/span> <span class=\"mi\">3<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span><span class=\"s\">\"7\u03c0\/4\"<\/span> <span class=\"mi\">7<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"2\u03c0\"<\/span> <span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-1<\/span><span class=\"mf\">.1<\/span><span class=\"o\">:<\/span><span class=\"mf\">1.3<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">:<\/span><span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"s\">'+'<\/span> <span class=\"nb\">using<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span> \\\r\n                    <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">fc<\/span> <span class=\"s\">'yellow'<\/span> <span class=\"nb\">notitle<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'blue'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'cos x'<\/span><span class=\"o\">,<\/span> \\\r\n           <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'red'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'sin x'<\/span>\r\n\r\n<span class=\"k\">set<\/span> <span class=\"nb\">output<\/span> <span class=\"s\">\".\/gnuri09.svg\"<\/span>\r\n<span class=\"k\">replot<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">output<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5443\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri09.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"\u7e26\u7dda\u3092\u5f15\u304f\">\u7e26\u7dda\u3092\u5f15\u304f<\/h3>\n<p>\u5a92\u4ecb\u5909\u6570\u8868\u793a\u306b\u3057\u306a\u3044\u3067\u7e26\u7dda\u3092\u5f15\u304f\u4f8b\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\uff0c2\u66f2\u7dda\u306e\u4ea4\u70b9\u306e\u5ea7\u6a19\u304c\u66f8\u304b\u308c\u305f\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\uff0c\u305d\u308c\u3092\u8aad\u307f\u8fbc\u3093\u3067 <code>with impulse<\/code> \u3067 plot \u3059\u308b\u3053\u3068\u3067\uff0c\u4ea4\u70b9\u304b\u3089 $x$ \u8ef8\u307e\u3067\u306e\u7e26\u7dda\u3092\u63cf\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[11]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"c\"># 2\u66f2\u7dda\u306e\u4ea4\u70b9\u306e\u5ea7\u6a19\u304c\u66f8\u304b\u308c\u305f\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">print<\/span> <span class=\"s\">\"temp01.txt\"<\/span>\r\n  <span class=\"k\">print<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"  \"<\/span><span class=\"o\">,<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">print<\/span> <span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"  \"<\/span><span class=\"o\">,<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">print<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[12]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">set<\/span> <span class=\"nb\">grid<\/span> <span class=\"n\">front<\/span>\r\n<span class=\"c\"># \u5ea7\u6a19\u8ef8\u306e\u8868\u793a<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">zeroaxis<\/span>\r\n\r\n<span class=\"c\"># \u76ee\u76db\u3068\u30e9\u30d9\u30eb\u3092\u624b\u52d5\u3067\u8a2d\u5b9a\u3059\u308b\u4f8b<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">xtics<\/span> <span class=\"p\">(<\/span><span class=\"s\">\"0\"<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\/4\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\/2\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span><span class=\"s\">\"3\u03c0\/4\"<\/span> <span class=\"mi\">3<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">,<\/span>\\\r\n           <span class=\"s\">\"5\u03c0\/4\"<\/span> <span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"3\u03c0\/2\"<\/span> <span class=\"mi\">3<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span><span class=\"s\">\"7\u03c0\/4\"<\/span> <span class=\"mi\">7<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"2\u03c0\"<\/span> <span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-1<\/span><span class=\"mf\">.1<\/span><span class=\"o\">:<\/span><span class=\"mf\">1.3<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">:<\/span><span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"s\">'+'<\/span> <span class=\"nb\">using<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span> \\\r\n                    <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">fc<\/span> <span class=\"s\">'yellow'<\/span> <span class=\"nb\">notitle<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'blue'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'cos x'<\/span><span class=\"o\">,<\/span> \\\r\n           <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'red'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'sin x'<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"s\">\"temp01.txt\"<\/span> <span class=\"nb\">with<\/span> <span class=\"n\">impulse<\/span> <span class=\"n\">lw<\/span> <span class=\"mf\">1.5<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">\"black\"<\/span> <span class=\"nb\">notitle<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5444\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri10.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p><code>with impulse<\/code> \u3067\u306f\u59cb\u70b9\u304c $x$ \u8ef8\u4e0a\u306b\u9650\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u59cb\u70b9\u3068\u7d42\u70b9\u3092\u8a2d\u5b9a\u3057\u305f\u7e26\u7dda\u3092\u63cf\u304f\u4f8b\u3002<\/p>\n<p>\u7e26\u7dda\u306e\u59cb\u70b9\u3068\u7d42\u70b9\u306e\u5ea7\u6a19\u304c\u66f8\u304b\u308c\u305f\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\uff0c\u305d\u308c\u3092\u8aad\u307f\u8fbc\u3093\u3067 plot \u3057\u307e\u3059\u3002<br \/>\n<code>with lines (w l)<\/code> \u3067\u70b9\u3092\u76f4\u7dda\u3067\u3064\u306a\u304e\u307e\u3059\u304c\uff0c\u30d5\u30a1\u30a4\u30eb\u306b\u7a7a\u884c\u304c\u3042\u308b\u3068\uff0c\u305d\u3053\u306f\u7dda\u3067\u3064\u306a\u3052\u306a\u3044\u305f\u3081\uff0c\u8907\u6570\u306e\u76f4\u7dda\u3092\u63cf\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[13]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"c\"># \u7e26\u7dda\u306e\u59cb\u70b9\u3068\u7d42\u70b9\u306e\u5ea7\u6a19\u304c\u66f8\u304b\u308c\u305f\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">print<\/span> <span class=\"s\">\"temp02.txt\"<\/span>\r\n  <span class=\"c\"># 1\u672c\u76ee\u306e\u59cb\u70b9<\/span>\r\n  <span class=\"k\">print<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span> <span class=\"mi\">-1<\/span><span class=\"mf\">.1<\/span>\r\n  <span class=\"c\"># 1\u672c\u76ee\u306e\u7d42\u70b9<\/span>\r\n  <span class=\"k\">print<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"  \"<\/span><span class=\"o\">,<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"c\"># 2\u672c\u76ee\u3068\u3064\u306a\u3052\u306a\u3044\u3088\u3046\u306b\u7a7a\u884c<\/span>\r\n  <span class=\"k\">print<\/span> <span class=\"s\">\"\"<\/span>\r\n  <span class=\"c\"># 2\u672c\u76ee\u306e\u59cb\u70b9<\/span>\r\n  <span class=\"k\">print<\/span> <span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span> <span class=\"mi\">-1<\/span><span class=\"mf\">.1<\/span>\r\n  <span class=\"c\"># 2\u672c\u76ee\u306e\u7d42\u70b9<\/span>\r\n  <span class=\"k\">print<\/span> <span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"  \"<\/span><span class=\"o\">,<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">print<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[14]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">set<\/span> <span class=\"nb\">grid<\/span> <span class=\"n\">front<\/span>\r\n<span class=\"c\"># \u5ea7\u6a19\u8ef8\u306e\u8868\u793a<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">zeroaxis<\/span>\r\n\r\n<span class=\"c\"># \u76ee\u76db\u3068\u30e9\u30d9\u30eb\u3092\u624b\u52d5\u3067\u8a2d\u5b9a\u3059\u308b\u4f8b<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">xtics<\/span> <span class=\"p\">(<\/span><span class=\"s\">\"0\"<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\/4\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\/2\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span><span class=\"s\">\"3\u03c0\/4\"<\/span> <span class=\"mi\">3<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"\u03c0\"<\/span> <span class=\"n\">pi<\/span><span class=\"o\">,<\/span>\\\r\n           <span class=\"s\">\"5\u03c0\/4\"<\/span> <span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"3\u03c0\/2\"<\/span> <span class=\"mi\">3<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span><span class=\"s\">\"7\u03c0\/4\"<\/span> <span class=\"mi\">7<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">,<\/span><span class=\"s\">\"2\u03c0\"<\/span> <span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-1<\/span><span class=\"mf\">.1<\/span><span class=\"o\">:<\/span><span class=\"mf\">1.3<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"o\">:<\/span><span class=\"mi\">5<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"s\">'+'<\/span> <span class=\"nb\">using<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"p\">))<\/span> \\\r\n                    <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">fc<\/span> <span class=\"s\">'yellow'<\/span> <span class=\"nb\">notitle<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">*<\/span><span class=\"n\">pi<\/span><span class=\"p\">]<\/span> <span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'blue'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'cos x'<\/span><span class=\"o\">,<\/span> \\\r\n           <span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'red'<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">'sin x'<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"s\">\"temp02.txt\"<\/span> <span class=\"nb\">w<\/span> <span class=\"n\">l<\/span> <span class=\"n\">lw<\/span> <span class=\"mf\">1.5<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">\"black\"<\/span> <span class=\"nb\">notitle<\/span>\r\n\r\n<span class=\"k\">set<\/span> <span class=\"nb\">output<\/span> <span class=\"s\">\".\/gnuri11.svg\"<\/span>\r\n<span class=\"k\">replot<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">output<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5445\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri11.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p>\u3044\u3089\u306a\u304f\u306a\u3063\u305f\u30c7\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u306f\u524a\u9664\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[15]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">system<\/span><span class=\"p\">(<\/span><span class=\"s\">\"rm temp??.txt\"<\/span><span class=\"p\">)<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"\u7570\u306a\u308b\u7bc4\u56f2\u3067\u306e\u5857\u308a\u3064\u3076\u3057\u306e\u4f8b\">\u7570\u306a\u308b\u7bc4\u56f2\u3067\u306e\u5857\u308a\u3064\u3076\u3057\u306e\u4f8b<\/h3>\n<p>\u3082\u3046\u4e00\u3064\u306e\u4f8b\u3002$y=f(x)$ \u3068 $x$ \u8ef8\u306e\u9593\u3092\uff0c$0.5 \\leq x \\leq 2$ \u307e\u3067\u306f\u9ec4\u8272\u3067\uff0c$2 \\leq x \\leq 2.5$ \u307e\u3067\u306f\u7070\u8272\u3067\u5857\u308a\u3064\u3076\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[16]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">reset<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">key<\/span> <span class=\"n\">off<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">grid<\/span> <span class=\"n\">front<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">zeroaxis<\/span>\r\n\r\n<span class=\"k\">f<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span><span class=\"o\">=<\/span> <span class=\"mf\">0.6<\/span><span class=\"o\">*<\/span><span class=\"n\">x<\/span> <span class=\"o\">+<\/span> <span class=\"mf\">0.4<\/span><span class=\"o\">*<\/span><span class=\"nf\">cos<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-0<\/span><span class=\"mf\">.2<\/span><span class=\"o\">:<\/span><span class=\"mf\">3.5<\/span><span class=\"p\">][<\/span><span class=\"mi\">-0<\/span><span class=\"mf\">.2<\/span><span class=\"o\">:<\/span><span class=\"mf\">1.5<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mf\">0.5<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"p\">]<\/span> <span class=\"nf\">f<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">y<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span> <span class=\"n\">fc<\/span> <span class=\"s\">'yellow'<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mi\">2<\/span><span class=\"o\">:<\/span><span class=\"mf\">2.5<\/span><span class=\"p\">]<\/span> <span class=\"nf\">f<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">y<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span> <span class=\"n\">fc<\/span> <span class=\"s\">'gray'<\/span><span class=\"o\">,<\/span> \\\r\n  <span class=\"p\">[<\/span><span class=\"mf\">0.2<\/span><span class=\"o\">:<\/span><span class=\"mf\">2.8<\/span><span class=\"p\">]<\/span> <span class=\"nf\">f<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">'blue'<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5446\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri12.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"\u30b0\u30e9\u30d5\u3092-pdf-\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\">\u30b0\u30e9\u30d5\u3092 pdf \u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58<\/h3>\n<p>\u76f4\u524d\u306e\u30b0\u30e9\u30d5\u3092 pdf \u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3059\u308b\u4f8b\u3002\u306a\u308b\u3079\u304f\u898b\u305f\u76ee\u3092\u305d\u306e\u307e\u307e pdf \u306b\u4fdd\u5b58\u3057\u305f\u3044\u306e\u3067\uff0c\u4e88\u3081 <code>show term<\/code> \u3067\u8a2d\u5b9a\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\uff0c\u305d\u308c\u3089\u3057\u304f <code>set term pdf<\/code> \u3057\u3088\u3046\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[17]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">show<\/span> <span class=\"nb\">term<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt output_prompt\">Out[17]:<\/div>\n<div class=\"output_text output_subarea output_execute_result\">\n<pre>   terminal type is svg size 600,450 fixed enhanced font 'Noto Sans CJK JP,14' butt dashlength 1.0 \r\n\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[18]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">set<\/span> <span class=\"nb\">term<\/span> <span class=\"n\">pdf<\/span> <span class=\"n\">size<\/span> <span class=\"mi\">6<\/span><span class=\"o\">,<\/span> <span class=\"mf\">4.5<\/span> <span class=\"n\">font<\/span> <span class=\"s\">'Noto Sans CJK JP,14'<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">output<\/span> <span class=\"s\">\"mygraph.pdf\"<\/span>\r\n<span class=\"k\">replot<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">output<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt output_prompt\">Out[18]:<\/div>\n<div class=\"output_text output_subarea output_execute_result\">\n<pre>Terminal type is now 'pdfcairo'\r\nOptions are ' transparent enhanced font \"Noto Sans CJK JP,14\" fontscale 0.5 size 6.00in, 4.50in '\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<p>\u3075\u305f\u305f\u3073 Jupyter Notebook \u306e\u30a4\u30f3\u30e9\u30a4\u30f3\u3067\u8868\u793a\u3055\u305b\u305f\u3044\u5834\u5408\u306f\uff0c<code>set term ...<\/code> \u3067\uff0c\u4e88\u3081 <code>show term<\/code> \u3067\u78ba\u8a8d\u3057\u3066\u304a\u3044\u305f\u72b6\u6cc1\u306b\u623b\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[19]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">set<\/span> <span class=\"nb\">term<\/span> <span class=\"n\">svg<\/span> <span class=\"n\">size<\/span> <span class=\"mi\">600<\/span><span class=\"o\">,<\/span><span class=\"mi\">450<\/span> <span class=\"n\">fixed<\/span> <span class=\"n\">enhanced<\/span> <span class=\"n\">font<\/span> <span class=\"s\">'Noto Sans CJK JP,14'<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt output_prompt\">Out[19]:<\/div>\n<div class=\"output_text output_subarea output_execute_result\">\n<pre>Terminal type is now 'svg'\r\nOptions are 'size 600,450 fixed enhanced font 'Noto Sans CJK JP,14' butt dashlength 1.0 '\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[20]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">replot<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5446\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri12.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h3 id=\"\u53c2\u8003\uff1agnuplot\u3067\u30b0\u30e9\u30d5\u3092\u66f8\u3044\u3066\u3001\u305d\u306e\u4e2d\u8eab\u3092\u5857\u308a\u3064\u3076\u3057\u305f\u3044\u306e\u3067\u3059\u304c\u3069\u306e\u3088\u3046\u306b\u3057\u305f\u3089\u3044\u3044\u3067\u3059\u304b\uff1f---Yahoo!\u77e5\u6075\u888b\">\u53c2\u8003\uff1agnuplot\u3067\u30b0\u30e9\u30d5\u3092\u66f8\u3044\u3066\u3001\u305d\u306e\u4e2d\u8eab\u3092\u5857\u308a\u3064\u3076\u3057\u305f\u3044\u306e\u3067\u3059\u304c\u3069\u306e\u3088\u3046\u306b\u3057\u305f\u3089\u3044\u3044\u3067\u3059\u304b\uff1f &#8211; Yahoo!\u77e5\u6075\u888b<\/h3>\n<ul>\n<li>\u53c2\u8003\uff1a<a href=\"https:\/\/detail.chiebukuro.yahoo.co.jp\/qa\/question_detail\/q14152274629\">gnuplot\u3067\u30b0\u30e9\u30d5\u3092\u66f8\u3044\u3066\u3001\u305d\u306e\u4e2d\u8eab\u3092\u5857\u308a\u3064\u3076\u3057\u305f\u3044\u306e\u3067\u3059\u304c\u3069\u306e\u3088\u3046\u306b\u3057\u305f&#8230; &#8211; Yahoo!\u77e5\u6075\u888b<\/a><\/li>\n<\/ul>\n<p>\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u9818\u57df\u3092\u5857\u308a\u3064\u3076\u3057\u305f\u3044\u3068\u3044\u3046\u8a71\u3002<\/p>\n<p>$$D = \\{(x, y) | 1 \\leq x \\leq 2, \\ \\frac{1}{x} \\leq y \\leq 2 \\}$$<\/p>\n<h4 id=\"\u30d9\u30b9\u30c8\u30a2\u30f3\u30b5\u30fc\">\u30d9\u30b9\u30c8\u30a2\u30f3\u30b5\u30fc<\/h4>\n<p>\u30d9\u30b9\u30c8\u30a2\u30f3\u30b5\u30fc\u306f\uff0cgnuplot \u306e\u4e09\u9805\u6f14\u7b97\u5b50\uff08if then else \u7684\u306a\u6761\u4ef6\u5206\u5c90\uff09\u3092\u5165\u308c\u5b50\u306b\u3057\uff0c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3044\u6570 <code>1\/0<\/code> \uff08\u30d7\u30ed\u30c3\u30c8\u30b3\u30de\u30f3\u30c9\u3067\u306f\u7121\u8996\u3055\u308c\u308b\uff09\u3092\u4f7f\u3063\u305f\u30e6\u30cb\u30fc\u30af\u306a\u4f8b\u3067\u3059\u3002<\/p>\n<p>\u53c2\u8003\u307e\u3067\u306b\uff0c\u4ee5\u4e0b\u306b\u30b3\u30d4\u30da\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[21]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">reset<\/span>\r\n\r\n<span class=\"c\"># 1 &lt;= x &lt;= 2 \u306e\u3068\u304d\u306b\u3060\u3051 1\/x \u3092\u8fd4\u3059\u95a2\u6570<\/span>\r\n<span class=\"c\"># x &lt; 1 \u3084 x &gt; 2 \u306e\u6642\u306f\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3044\u6570 1\/0 \u3092\u8fd4\u3059\u306e\u3067\u30d7\u30ed\u30c3\u30c8\u3055\u308c\u306a\u3044<\/span>\r\n<span class=\"k\">f<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"n\">x<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">1<\/span><span class=\"p\">)<\/span> <span class=\"o\">?<\/span> <span class=\"mi\">1<\/span><span class=\"o\">\/<\/span><span class=\"mi\">0<\/span> <span class=\"o\">:<\/span> <span class=\"p\">((<\/span><span class=\"n\">x<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">2<\/span><span class=\"p\">)<\/span> <span class=\"o\">?<\/span> <span class=\"mi\">1<\/span><span class=\"o\">\/<\/span><span class=\"mi\">0<\/span> <span class=\"o\">:<\/span> <span class=\"mi\">1<\/span><span class=\"o\">\/<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">set<\/span> <span class=\"nb\">xrange<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">yrange<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span>\r\n<span class=\"k\">plot<\/span> <span class=\"nf\">f<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span> <span class=\"nb\">with<\/span> <span class=\"n\">filledcurve<\/span> <span class=\"n\">y2<\/span><span class=\"o\">=<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span> <span class=\"mi\">1<\/span><span class=\"o\">\/<\/span><span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"mi\">2<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5464\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri13.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h4 id=\"\u5857\u308a\u3064\u3076\u3057\u7bc4\u56f2\u3092\u500b\u5225\u306b\u6307\u5b9a\u3057\u305f\u5225\u89e3\">\u5857\u308a\u3064\u3076\u3057\u7bc4\u56f2\u3092\u500b\u5225\u306b\u6307\u5b9a\u3057\u305f\u5225\u89e3<\/h4>\n<p>\u5857\u308a\u3064\u3076\u3057\u306e\u7bc4\u56f2\u3068\u30b0\u30e9\u30d5\u306e\u63cf\u753b\u7bc4\u56f2\u3092\u500b\u5225\u306b\u8a2d\u5b9a\u3057\u3066\u63cf\u304f\u4f8b\u3002<code>sample<\/code> \u3068\u5ba3\u8a00\u3059\u308b\u306e\u304c\u30ad\u30e2\u3067\u3057\u305f\u3002\u3053\u306e\u5834\u5408\u306f\u4e09\u9805\u6f14\u7b97\u5b50\u3092\u99c6\u4f7f\u3057\u305f\u95a2\u6570\u5b9a\u7fa9\u3092\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[22]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">reset<\/span>\r\n\r\n<span class=\"k\">plot<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">4<\/span><span class=\"p\">][<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"n\">sample<\/span> <span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"p\">]<\/span> <span class=\"mi\">1<\/span><span class=\"o\">\/<\/span><span class=\"n\">x<\/span> <span class=\"nb\">with<\/span> <span class=\"n\">filledc<\/span> <span class=\"n\">y<\/span><span class=\"o\">=<\/span><span class=\"mi\">2<\/span><span class=\"o\">,<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">4<\/span><span class=\"p\">]<\/span> <span class=\"mi\">1<\/span><span class=\"o\">\/<\/span><span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"mi\">2<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5465\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gnuri14.svg\" alt=\"\" width=\"600\" height=\"450\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u4e0b\u306e\u5225\u30da\u30fc\u30b8\u3067\u30e1\u30e2\u3057\u3066\u304a\u3044\u305f\u5185\u5bb9\u3092\u3082\u3046\u5c11\u3057\u304b\u307f\u304f\u3060\u3044\u3066\u3002<\/p><p><a class=\"more-link btn\" href=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/5405\/\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n<ul>\n<li>\u53c2\u8003\uff1agnuplot \u306e plot \u3067\u500b\u5225\u7bc4\u56f2\u6307\u5b9a\u3068\uff12\u66f2\u7dda\u9593\u306e\u9818\u57df\u3092\u5857\u308a\u3064\u3076\u3057<\/li>\n<li>\u53c2\u8003\uff1aMaxima \u306e draw2d \u30672\u66f2\u7dda\u9593\u306e\u9818\u57df\u3092\u5857\u308a\u3064\u3076\u3057\u3068\u30b0\u30e9\u30d5\u306e\u66f8\u304d\u51fa\u3057<\/li>\n<\/ul>\n","protected":false},"author":33,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[15],"tags":[],"class_list":["post-5405","post","type-post","status-publish","format-standard","hentry","category-gnuplot","nodate","item-wrap"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/posts\/5405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/users\/33"}],"replies":[{"embeddable":true,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/comments?post=5405"}],"version-history":[{"count":14,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/posts\/5405\/revisions"}],"predecessor-version":[{"id":5528,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/posts\/5405\/revisions\/5528"}],"wp:attachment":[{"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/media?parent=5405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/categories?post=5405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/tags?post=5405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}