{"id":7540,"date":"2024-02-04T17:58:03","date_gmt":"2024-02-04T08:58:03","guid":{"rendered":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/?p=7540"},"modified":"2024-02-12T11:56:44","modified_gmt":"2024-02-12T02:56:44","slug":"spb-%e3%81%a7%e5%b0%91%e3%81%97%e8%be%bc%e3%81%bf%e5%85%a5%e3%81%a3%e3%81%9f%e9%96%a2%e6%95%b0%e3%82%92plot%e3%81%99%e3%82%8b%e3%81%a8%e3%81%8d%e3%81%ae%e3%82%a8%e3%83%a9%e3%83%bc%e5%af%be%e5%bf%9c","status":"publish","type":"post","link":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/7540\/","title":{"rendered":"SymPy Plotting Backends \u3067\u5c11\u3057\u8fbc\u307f\u5165\u3063\u305f\u95a2\u6570\u3092plot\u3059\u308b\u3068\u304d\u306e\u30a8\u30e9\u30fc\u5bfe\u5fdc"},"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>SymPy Plotting Backends \u3067&#8221;\u5c11\u3057\u8fbc\u307f\u5165\u3063\u305f\u95a2\u6570&#8221;\u3092 <code>plot()<\/code> \u3059\u308b\u3068\u304d\uff0c\u601d\u3044\u3082\u304b\u3051\u305a\u306b\u30a8\u30e9\u30fc\u3068\u306a\u3063\u305f\u5834\u5408\u306e\u5bfe\u5fdc\u3002<br \/>\n\u4ee5\u4e0b\u306e Issue \u3067\u56de\u7b54\u304c\u3042\u3063\u305f\u4ef6\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/github.com\/Davide-sd\/sympy-plot-backends\/issues\/36\">plot of &#8220;slightly complicated&#8221; functions \u00b7 Issue #36 \u00b7 Davide-sd\/sympy-plot-backends \u00b7 GitHub<\/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=\"\u5fc5\u8981\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u306e-import\">\u5fc5\u8981\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u306e import<\/h3>\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-ipython3\">\n<pre><span class=\"kn\">from<\/span> <span class=\"nn\">sympy<\/span> <span class=\"kn\">import<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">sympy.abc<\/span> <span class=\"kn\">import<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">spb<\/span> <span class=\"kn\">import<\/span> <span class=\"o\">*<\/span>\r\n\r\n<span class=\"c1\"># \u30b0\u30e9\u30d5\u3092 SVG \u3067 Notebook \u306b\u30a4\u30f3\u30e9\u30a4\u30f3\u8868\u793a<\/span>\r\n<span class=\"o\">%<\/span><span class=\"k\">config<\/span> InlineBackend.figure_formats = ['svg']\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=\"\u95a2\u6570\u306e\u5b9a\u7fa9\u306e\u4e2d\u306b-if-\u6587\u304c\u3042\u308b\u4f8b\">\u95a2\u6570\u306e\u5b9a\u7fa9\u306e\u4e2d\u306b <code>if<\/code> \u6587\u304c\u3042\u308b\u4f8b<\/h3>\n<p>\u5b9f\u969b\u306b\u300c<a href=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/%e4%b8%80%e8%88%ac%e7%9b%b8%e5%af%be%e8%ab%96%e7%9a%84%e5%ae%87%e5%ae%99%e8%ab%96\/%e5%ae%87%e5%ae%99%e8%ab%96%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e3%81%a8%e5%ae%87%e5%ae%99%e5%b9%b4%e9%bd%a2\/%e8%a3%9c%e8%b6%b3%ef%bc%9asympy-%e3%81%a8-spb-%e3%81%a7%e5%ae%87%e5%ae%99%e5%b9%b4%e9%bd%a2%e3%81%ae%e3%82%b0%e3%83%a9%e3%83%95%e3%82%92%e6%8f%8f%e3%81%8f\/\">\u88dc\u8db3\uff1aSymPy \u3068 SPB \u3067\u5b87\u5b99\u5e74\u9f62\u306e\u30b0\u30e9\u30d5\u3092\u63cf\u304f<\/a>\u300d\u306e\u30da\u30fc\u30b8\u3067\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u56f0\u3063\u305f\u3002\u5b87\u5b99\u5e74\u9f62\u306f\u5bc6\u5ea6\u30d1\u30e9\u30e1\u30fc\u30bf $\\Omega_{\\rm m}$ \u306e\u95a2\u6570\u3067\u3042\u308b\u304c\uff0c\u66f2\u7387\u5b9a\u6570 $k$ \u306e\u7b26\u53f7\u306b\u3088\u3063\u3066\u95a2\u6570\u5f62\u304c\u5909\u308f\u308b\u3002\u305d\u306e\u305f\u3081\uff0c1\u500b\u306e\u95a2\u6570\u3067\u5168\u3066\u306e $k$ \u306e\u5834\u5408\u306e\u5b87\u5b99\u5e74\u9f62\u3092 $\\Omega_{\\rm m}$ \u306e\u95a2\u6570\u3068\u3057\u3066\u3042\u3089\u308f\u305d\u3046\u3068\u3059\u308b\u3068\uff0c<code>if<\/code> \u6587\u304c\u5fc5\u8981\u306b\u306a\u308a\uff0c\u6700\u521d\u306a\u305c\u30a8\u30e9\u30fc\u306b\u306a\u308b\u306e\u304b\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\uff0c\u5099\u5fd8\u9332\u3068\u3057\u3066\u30e1\u30e2\u3002<\/p>\n<p>\u4f8b\u3048\u3070\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\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[2]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-ipython3\">\n<pre><span class=\"k\">def<\/span> <span class=\"nf\">f<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">x<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">0<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"o\">-<\/span><span class=\"n\">x<\/span>\r\n    <span class=\"k\">else<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">x<\/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<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b <code>plot()<\/code> \u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308b\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-ipython3\">\n<pre><span class=\"n\">plot<\/span><span class=\"p\">(<\/span><span class=\"n\">f<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">),<\/span> <span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">));<\/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_subarea output_text output_error\">\n<pre><span class=\"ansi-red-fg\">---------------------------------------------------------------------------<\/span>\r\n<span class=\"ansi-red-fg\">TypeError<\/span>                                 Traceback (most recent call last)\r\n<span class=\"ansi-green-fg\">&lt;ipython-input-3-2ab6b255ae28&gt;<\/span> in <span class=\"ansi-cyan-fg\">&lt;module&gt;<\/span>\r\n<span class=\"ansi-green-fg\">----&gt; 1<\/span> plot<span class=\"ansi-blue-fg\">(<\/span>f<span class=\"ansi-blue-fg\">(<\/span>x<span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">,<\/span> <span class=\"ansi-blue-fg\">(<\/span>x<span class=\"ansi-blue-fg\">,<\/span> <span class=\"ansi-blue-fg\">-<\/span><span class=\"ansi-cyan-fg\">2<\/span><span class=\"ansi-blue-fg\">,<\/span> <span class=\"ansi-cyan-fg\">2<\/span><span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">;<\/span>\r\n\r\n<span class=\"ansi-green-fg\">&lt;ipython-input-2-c220f646b8f3&gt;<\/span> in <span class=\"ansi-cyan-fg\">f<\/span><span class=\"ansi-blue-fg\">(x)<\/span>\r\n<span class=\"ansi-green-intense-fg ansi-bold\">      1<\/span> <span class=\"ansi-green-fg\">def<\/span> f<span class=\"ansi-blue-fg\">(<\/span>x<span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">:<\/span>\r\n<span class=\"ansi-green-fg\">----&gt; 2<\/span>     <span class=\"ansi-green-fg\">if<\/span> x <span class=\"ansi-blue-fg\">&lt;<\/span> <span class=\"ansi-cyan-fg\">0<\/span><span class=\"ansi-blue-fg\">:<\/span>\r\n<span class=\"ansi-green-intense-fg ansi-bold\">      3<\/span>         <span class=\"ansi-green-fg\">return<\/span> <span class=\"ansi-blue-fg\">-<\/span>x\r\n<span class=\"ansi-green-intense-fg ansi-bold\">      4<\/span>     <span class=\"ansi-green-fg\">else<\/span><span class=\"ansi-blue-fg\">:<\/span>\r\n<span class=\"ansi-green-intense-fg ansi-bold\">      5<\/span>         <span class=\"ansi-green-fg\">return<\/span> x\r\n\r\n<span class=\"ansi-green-fg\">\/usr\/local\/lib\/python3.8\/dist-packages\/sympy\/core\/relational.py<\/span> in <span class=\"ansi-cyan-fg\">__bool__<\/span><span class=\"ansi-blue-fg\">(self)<\/span>\r\n<span class=\"ansi-green-intense-fg ansi-bold\">    508<\/span> \r\n<span class=\"ansi-green-intense-fg ansi-bold\">    509<\/span>     <span class=\"ansi-green-fg\">def<\/span> __bool__<span class=\"ansi-blue-fg\">(<\/span>self<span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">:<\/span>\r\n<span class=\"ansi-green-fg\">--&gt; 510<\/span>         <span class=\"ansi-green-fg\">raise<\/span> TypeError<span class=\"ansi-blue-fg\">(<\/span><span class=\"ansi-blue-fg\">\"cannot determine truth value of Relational\"<\/span><span class=\"ansi-blue-fg\">)<\/span>\r\n<span class=\"ansi-green-intense-fg ansi-bold\">    511<\/span> \r\n<span class=\"ansi-green-intense-fg ansi-bold\">    512<\/span>     <span class=\"ansi-green-fg\">def<\/span> _eval_as_set<span class=\"ansi-blue-fg\">(<\/span>self<span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">:<\/span>\r\n\r\n<span class=\"ansi-red-fg\">TypeError<\/span>: cannot determine truth value of Relational<\/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<h4 id=\"\u50be\u5411\u3068\u5bfe\u7b56\">\u50be\u5411\u3068\u5bfe\u7b56<\/h4>\n<p>\u901a\u5e38\u306a\u3089\u3070<\/p>\n<div class=\"highlight\">\n<pre><span class=\"n\">plot<\/span><span class=\"p\">(<\/span><span class=\"n\">f<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">),<\/span> <span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">))<\/span>\r\n<\/pre>\n<\/div>\n<p>\u3068\u3059\u308b\u3068\u3053\u308d\u3060\u304c\uff0c\u95a2\u6570 <code>f(x)<\/code> \u306e\u5b9a\u7fa9\u304c\u5c11\u3057\u8fbc\u307f\u5165\u3063\u3066\u3044\u3066 <code>if<\/code> \u6587\u304c\u3042\u308b\u5834\u5408\uff0c\u3053\u308c\u3060\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3002<\/p>\n<p>\u5bfe\u7b56\u306f\uff0c<\/p>\n<ul>\n<li>\u95a2\u6570\u540d\u306e\u307f\u306b\u3059\u308b\uff08\u304b\u3063\u3053\u3084\u5f15\u6570\u306f\u7701\u7565\u3059\u308b\uff09<\/li>\n<li><code>force_real_eval=True<\/code> \u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u3064\u3051\u308b<\/li>\n<\/ul>\n<p>\u3064\u307e\u308a\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u3088\u3044\u3002<\/p>\n<div class=\"highlight\">\n<pre><span class=\"n\">plot<\/span><span class=\"p\">(<\/span><span class=\"n\">f<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">),<\/span> <span class=\"n\">force_real_eval<\/span><span class=\"o\">=<\/span><span class=\"kc\">True<\/span><span class=\"p\">)<\/span>\r\n<\/pre>\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[4]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-ipython3\">\n<pre><span class=\"c1\"># plot(f(x), (x, -2, 2)) \u3067\u306f\u306a\u304f\u3066...<\/span>\r\n\r\n<span class=\"n\">plot<\/span><span class=\"p\">(<\/span><span class=\"n\">f<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">2<\/span><span class=\"p\">),<\/span> <span class=\"n\">force_real_eval<\/span><span class=\"o\">=<\/span><span class=\"kc\">True<\/span><span class=\"p\">)<\/span><span class=\"p\">;<\/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><!--?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?--><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7541\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/spbtaisaku01.svg\" alt=\"\" width=\"640\" height=\"427\" \/><\/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=\"\u95a2\u6570\u306e\u5b9a\u7fa9\u306e\u4e2d\u306b-nsolve()-\u304c\u3042\u308b\u4f8b\">\u95a2\u6570\u306e\u5b9a\u7fa9\u306e\u4e2d\u306b\u6570\u5024\u89e3\u6cd5\u306e <code>nsolve()<\/code> \u304c\u3042\u308b\u4f8b<\/h3>\n<p>\u4f8b\u3048\u3070\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\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[5]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-ipython3\">\n<pre><span class=\"k\">def<\/span> <span class=\"nf\">g<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">nsolve<\/span><span class=\"p\">(<\/span><span class=\"n\">sin<\/span><span class=\"p\">(<\/span><span class=\"n\">t<\/span><span class=\"p\">)<\/span><span class=\"o\">-<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"n\">t<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/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<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b plot() \u3057\u3088\u3046\u3068\u3059\u308b\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308b\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-ipython3\">\n<pre><span class=\"n\">plot<\/span><span class=\"p\">(<\/span><span class=\"n\">g<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">),<\/span> <span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">));<\/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_subarea output_text output_error\">\n<pre><span class=\"ansi-red-fg\">---------------------------------------------------------------------------<\/span>\r\n<span class=\"ansi-red-fg\">ValueError<\/span>                                Traceback (most recent call last)\r\n<span class=\"ansi-green-fg\">&lt;ipython-input-6-060c36080d54&gt;<\/span> in <span class=\"ansi-cyan-fg\">&lt;module&gt;<\/span>\r\n<span class=\"ansi-green-fg\">----&gt; 1<\/span> plot<span class=\"ansi-blue-fg\">(<\/span>g<span class=\"ansi-blue-fg\">(<\/span>x<span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">,<\/span> <span class=\"ansi-blue-fg\">(<\/span>x<span class=\"ansi-blue-fg\">,<\/span> <span class=\"ansi-blue-fg\">-<\/span><span class=\"ansi-cyan-fg\">1<\/span><span class=\"ansi-blue-fg\">,<\/span> <span class=\"ansi-cyan-fg\">1<\/span><span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">;<\/span>\r\n\r\n<span class=\"ansi-green-fg\">&lt;ipython-input-5-28e344be0bf6&gt;<\/span> in <span class=\"ansi-cyan-fg\">g<\/span><span class=\"ansi-blue-fg\">(x)<\/span>\r\n<span class=\"ansi-green-intense-fg ansi-bold\">      1<\/span> <span class=\"ansi-green-fg\">def<\/span> g<span class=\"ansi-blue-fg\">(<\/span>x<span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">:<\/span>\r\n<span class=\"ansi-green-fg\">----&gt; 2<\/span>     <span class=\"ansi-green-fg\">return<\/span> nsolve<span class=\"ansi-blue-fg\">(<\/span>sin<span class=\"ansi-blue-fg\">(<\/span>t<span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">-<\/span>x<span class=\"ansi-blue-fg\">,<\/span> t<span class=\"ansi-blue-fg\">,<\/span> <span class=\"ansi-cyan-fg\">0<\/span><span class=\"ansi-blue-fg\">)<\/span>\r\n\r\n<span class=\"ansi-green-fg\">\/usr\/local\/lib\/python3.8\/dist-packages\/sympy\/utilities\/decorator.py<\/span> in <span class=\"ansi-cyan-fg\">func_wrapper<\/span><span class=\"ansi-blue-fg\">(*args, **kwargs)<\/span>\r\n<span class=\"ansi-green-intense-fg ansi-bold\">     85<\/span>         dps <span class=\"ansi-blue-fg\">=<\/span> mpmath<span class=\"ansi-blue-fg\">.<\/span>mp<span class=\"ansi-blue-fg\">.<\/span>dps\r\n<span class=\"ansi-green-intense-fg ansi-bold\">     86<\/span>         <span class=\"ansi-green-fg\">try<\/span><span class=\"ansi-blue-fg\">:<\/span>\r\n<span class=\"ansi-green-fg\">---&gt; 87<\/span>             <span class=\"ansi-green-fg\">return<\/span> func<span class=\"ansi-blue-fg\">(<\/span><span class=\"ansi-blue-fg\">*<\/span>args<span class=\"ansi-blue-fg\">,<\/span> <span class=\"ansi-blue-fg\">**<\/span>kwargs<span class=\"ansi-blue-fg\">)<\/span>\r\n<span class=\"ansi-green-intense-fg ansi-bold\">     88<\/span>         <span class=\"ansi-green-fg\">finally<\/span><span class=\"ansi-blue-fg\">:<\/span>\r\n<span class=\"ansi-green-intense-fg ansi-bold\">     89<\/span>             mpmath<span class=\"ansi-blue-fg\">.<\/span>mp<span class=\"ansi-blue-fg\">.<\/span>dps <span class=\"ansi-blue-fg\">=<\/span> dps\r\n\r\n<span class=\"ansi-green-fg\">\/usr\/local\/lib\/python3.8\/dist-packages\/sympy\/solvers\/solvers.py<\/span> in <span class=\"ansi-cyan-fg\">nsolve<\/span><span class=\"ansi-blue-fg\">(dict, *args, **kwargs)<\/span>\r\n<span class=\"ansi-green-intense-fg ansi-bold\">   3033<\/span>             fargs <span class=\"ansi-blue-fg\">=<\/span> syms<span class=\"ansi-blue-fg\">.<\/span>copy<span class=\"ansi-blue-fg\">(<\/span><span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">.<\/span>pop<span class=\"ansi-blue-fg\">(<\/span><span class=\"ansi-blue-fg\">)<\/span>\r\n<span class=\"ansi-green-intense-fg ansi-bold\">   3034<\/span>         <span class=\"ansi-green-fg\">if<\/span> <span class=\"ansi-green-fg\">not<\/span> <span class=\"ansi-blue-fg\">(<\/span>len<span class=\"ansi-blue-fg\">(<\/span>syms<span class=\"ansi-blue-fg\">)<\/span> <span class=\"ansi-blue-fg\">==<\/span> <span class=\"ansi-cyan-fg\">1<\/span> <span class=\"ansi-green-fg\">and<\/span> <span class=\"ansi-blue-fg\">(<\/span>fargs <span class=\"ansi-green-fg\">in<\/span> syms <span class=\"ansi-green-fg\">or<\/span> fargs<span class=\"ansi-blue-fg\">[<\/span><span class=\"ansi-cyan-fg\">0<\/span><span class=\"ansi-blue-fg\">]<\/span> <span class=\"ansi-green-fg\">in<\/span> syms<span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">)<\/span><span class=\"ansi-blue-fg\">:<\/span>\r\n<span class=\"ansi-green-fg\">-&gt; 3035<\/span><span class=\"ansi-red-fg\">             raise ValueError(filldedent('''\r\n<\/span><span class=\"ansi-green-intense-fg ansi-bold\">   3036<\/span>                 expected a one-dimensional and numerical function'''))\r\n<span class=\"ansi-green-intense-fg ansi-bold\">   3037<\/span> \r\n\r\n<span class=\"ansi-red-fg\">ValueError<\/span>: \r\nexpected a one-dimensional and numerical function<\/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<h4 id=\"\u50be\u5411\u3068\u5bfe\u7b56\">\u50be\u5411\u3068\u5bfe\u7b56<\/h4>\n<p>\u901a\u5e38\u306a\u3089\u3070<\/p>\n<div class=\"highlight\">\n<pre><span class=\"n\">plot<\/span><span class=\"p\">(<\/span><span class=\"n\">g<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">),<\/span> <span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">))<\/span>\r\n<\/pre>\n<\/div>\n<p>\u3068\u3059\u308b\u3068\u3053\u308d\u3060\u304c\uff0c\u95a2\u6570 <code>g(x)<\/code> \u306e\u5b9a\u7fa9\u304c\u5c11\u3057\u8fbc\u307f\u5165\u3063\u3066\u3044\u3066 <code>nsolve()<\/code> \u6587\u304c\u3042\u308b\u5834\u5408\uff0c\u3053\u308c\u3060\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308b\u3002<\/p>\n<p>\u5bfe\u7b56\u306f\uff0c<\/p>\n<ul>\n<li>\u95a2\u6570\u540d\u306e\u307f\u306b\u3059\u308b\uff08\u304b\u3063\u3053\u3084\u5f15\u6570\u306f\u7701\u7565\u3059\u308b\uff09<\/li>\n<\/ul>\n<p>\u3064\u307e\u308a\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u3088\u3044\u3002<\/p>\n<div class=\"highlight\">\n<pre><span class=\"n\">plot<\/span><span class=\"p\">(<\/span><span class=\"n\">g<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">))<\/span>\r\n<\/pre>\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[7]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-ipython3\">\n<pre><span class=\"c1\"># plot(g(x), (x, -1, 1)) \u3067\u306f\u306a\u304f\u3066...<\/span>\r\n\r\n<span class=\"n\">plot<\/span><span class=\"p\">(<\/span><span class=\"n\">g<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">))<\/span><span class=\"p\">;<\/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><!--?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?--><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7542\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/spbtaisaku02.svg\" alt=\"\" width=\"640\" height=\"427\" \/><\/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\uff1aMaxima-\u3067\u5c11\u3057\u8fbc\u307f\u5165\u3063\u305f\u95a2\u6570\u3092\u30b0\u30e9\u30d5\u306b\u3059\u308b\">\u53c2\u8003\uff1aMaxima \u3067\u5c11\u3057\u8fbc\u307f\u5165\u3063\u305f\u95a2\u6570\u3092\u30b0\u30e9\u30d5\u306b\u3059\u308b<\/h3>\n<p>SymPy &amp; SymPy Plotting Backends \u3067 <code>plot()<\/code> \u3059\u308b\u969b\u306b\uff0c\u601d\u3044\u3082\u304b\u3051\u305a\u306b\u30a8\u30e9\u30fc\u3068\u306a\u3063\u305f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u95a2\u6570\u3092 Maxima \u3067\u30b0\u30e9\u30d5\u306b\u3057\u305f\u3089\u3069\u3046\u306a\u308b\u304b\uff0c\u3068\u3044\u3046\u6bd4\u8f03\u53c2\u8003\u3002<\/p>\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=\"\u95a2\u6570\u306e\u5b9a\u7fa9\u306e\u4e2d\u306b-if-\u6587\u304c\u3042\u308b\u4f8b\">\u95a2\u6570\u306e\u5b9a\u7fa9\u306e\u4e2d\u306b <code>if<\/code> \u6587\u304c\u3042\u308b\u4f8b<\/h4>\n<p>\u4f8b\u3048\u3070\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\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[1]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-maxima\">\n<pre><span class=\"nf\">f<\/span><span class=\"p\">(<\/span><span class=\"nv\">x<\/span><span class=\"p\">)<\/span><span class=\"o\">:=<\/span> <span class=\"k\">if<\/span> <span class=\"nv\">x<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">0<\/span> <span class=\"k\">then<\/span> <span class=\"o\">-<\/span><span class=\"nv\">x<\/span> <span class=\"k\">else<\/span> <span class=\"nv\">x<\/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[1]:<\/div>\n<div class=\"output_latex output_subarea output_execute_result\">\\[\\tag{${\\it \\%o}_{1}$}f\\left(x\\right):=\\mathbf{if}\\;x&lt;0\\;\\mathbf{then}\\;-x\\;\\mathbf{else}\\;x\\]<\/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<h5 id=\"plot2d()\"><code>plot2d()<\/code><\/h5>\n<p><code>plot2d()<\/code> \u3067\u306f\u7279\u306b\u554f\u984c\u306a\u304f\u30b0\u30e9\u30d5\u304c\u4f5c\u6210\u3055\u308c\u308b\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[2]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-maxima\">\n<pre><span class=\"nf\">plot2d<\/span><span class=\"p\">(<\/span><span class=\"nf\">f<\/span><span class=\"p\">(<\/span><span class=\"nv\">x<\/span><span class=\"p\">)<\/span>, <span class=\"p\">[<\/span><span class=\"nv\">x<\/span>, <span class=\"o\">-<\/span><span class=\"mi\">10<\/span>, 10<span class=\"p\">])<\/span>$\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><!--?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?--><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7545\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/maxkomi01.svg\" alt=\"\" width=\"640\" height=\"481\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h5 id=\"draw2d()\"><code>draw2d()<\/code><\/h5>\n<p><code>draw2d()<\/code> \u3067\u3082\u7279\u306b\u554f\u984c\u306a\u304f\u30b0\u30e9\u30d5\u304c\u4f5c\u6210\u3055\u308c\u308b\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[3]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-maxima\">\n<pre><span class=\"nf\">draw2d<\/span><span class=\"p\">(<\/span><span class=\"nf\">explicit<\/span><span class=\"p\">(<\/span><span class=\"nf\">f<\/span><span class=\"p\">(<\/span><span class=\"nv\">x<\/span><span class=\"p\">)<\/span>, <span class=\"nv\">x<\/span>, <span class=\"o\">-<\/span><span class=\"mi\">10<\/span>, <span class=\"mi\">10<\/span><span class=\"p\">))<\/span>$\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><!--?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?--><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7546\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/maxkomi02.svg\" alt=\"\" width=\"640\" height=\"481\" \/><\/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=\"\u95a2\u6570\u306e\u5b9a\u7fa9\u306e\u4e2d\u306b\u6570\u5024\u89e3\u6cd5\u306e-find_root()-\u304c\u3042\u308b\u5834\u5408\">\u95a2\u6570\u306e\u5b9a\u7fa9\u306e\u4e2d\u306b\u6570\u5024\u89e3\u6cd5\u306e <code>find_root()<\/code> \u304c\u3042\u308b\u5834\u5408<\/h4>\n<p>\u4f8b\u3048\u3070\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\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[4]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-maxima\">\n<pre><span class=\"nf\">g<\/span><span class=\"p\">(<\/span><span class=\"nv\">x<\/span><span class=\"p\">)<\/span><span class=\"o\">:=<\/span> <span class=\"nf\">find_root<\/span><span class=\"p\">(<\/span><span class=\"nf\">sin<\/span><span class=\"p\">(<\/span><span class=\"nv\">t<\/span><span class=\"p\">)<\/span><span class=\"o\">-<\/span><span class=\"nv\">x<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span>, <span class=\"nv\">t<\/span>, <span class=\"o\">-<\/span><span class=\"nv\">%pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span>, <span class=\"nv\">%pi<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"p\">)<\/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[4]:<\/div>\n<div class=\"output_latex output_subarea output_execute_result\">\\[\\tag{${\\it \\%o}_{6}$}g\\left(x\\right):={\\it find\\_root}\\left(\\sin t-x=0 , t , \\frac{-\\pi}{2} , \\frac{\\pi}{2}\\right)\\]<\/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<h5 id=\"plot2d()\"><code>plot2d()<\/code><\/h5>\n<p><code>plot2d()<\/code> \u3067\u306f\uff0c\u306a\u305c\u304b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u30b0\u30e9\u30d5\u304c\u4f5c\u6210\u3055\u308c\u306a\u3044\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-maxima\">\n<pre><span class=\"nf\">plot2d<\/span><span class=\"p\">(<\/span><span class=\"nf\">g<\/span><span class=\"p\">(<\/span><span class=\"nv\">x<\/span><span class=\"p\">)<\/span>, <span class=\"p\">[<\/span><span class=\"nv\">x<\/span>, <span class=\"o\">-<\/span><span class=\"mi\">1<\/span>, 1<span class=\"p\">])<\/span>$\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_subarea output_stream output_stdout output_text\">\n<pre>plot2d: expression find_root(sin(t)-x = 0,t,-1.570796326794897,\r\n                             1.570796326794897)\r\n\r\n    should  depend only on x, or be an expression of 2 variables\r\n    equal another expression of the same variables.\r\n\r\n\r\n -- an error. To debug this try: debugmode(true);\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h5 id=\"draw2d()\"><code>draw2d()<\/code><\/h5>\n<p><code>draw2d()<\/code> \u3067\u306f\u7279\u306b\u554f\u984c\u306a\u304f\u30b0\u30e9\u30d5\u304c\u4f5c\u6210\u3055\u308c\u308b\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[6]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-maxima\">\n<pre><span class=\"nf\">draw2d<\/span><span class=\"p\">(<\/span><span class=\"nf\">explicit<\/span><span class=\"p\">(<\/span><span class=\"nf\">g<\/span><span class=\"p\">(<\/span><span class=\"nv\">x<\/span><span class=\"p\">)<\/span>, <span class=\"nv\">x<\/span>, <span class=\"o\">-<\/span><span class=\"mi\">1<\/span>, <span class=\"mi\">1<\/span><span class=\"p\">))<\/span>$\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><!--?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?--><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7547\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/maxkomi03.svg\" alt=\"\" width=\"640\" height=\"481\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>SymPy Plotting Backends \u3067&#8221;\u5c11\u3057\u8fbc\u307f\u5165\u3063\u305f\u95a2\u6570&#8221;\u3092 plot() \u3059\u308b\u3068\u304d\uff0c\u601d\u3044\u3082\u304b\u3051\u305a\u306b\u30a8\u30e9\u30fc\u3068\u306a\u3063\u305f\u5834\u5408\u306e\u5bfe\u5fdc\u3002 \u4ee5\u4e0b\u306e Issue \u3067\u56de\u7b54\u304c\u3042\u3063\u305f\u4ef6\uff1a<\/p><p><a class=\"more-link btn\" href=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/7540\/\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n<ul>\n<li>plot of &#8220;slightly complicated&#8221; functions \u00b7 Issue #36 \u00b7 Davide-sd\/sympy-plot-backends \u00b7 GitHub<\/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":[14,12],"tags":[],"class_list":["post-7540","post","type-post","status-publish","format-standard","hentry","category-maxima","category-sympy","nodate","item-wrap"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/posts\/7540","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=7540"}],"version-history":[{"count":8,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/posts\/7540\/revisions"}],"predecessor-version":[{"id":7584,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/posts\/7540\/revisions\/7584"}],"wp:attachment":[{"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/media?parent=7540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/categories?post=7540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/tags?post=7540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}