{"id":5241,"date":"2023-03-18T12:00:03","date_gmt":"2023-03-18T03:00:03","guid":{"rendered":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/?p=5241"},"modified":"2023-03-18T13:05:35","modified_gmt":"2023-03-18T04:05:35","slug":"%e3%82%b0%e3%83%a9%e3%83%95%e3%81%ae%e4%b8%8a%e4%b8%8b%e5%b7%a6%e5%8f%b3%e8%bb%b8%e3%81%ab%e5%a4%a7%e7%9b%ae%e7%9b%9b%ef%bc%8c%e5%b0%8f%e7%9b%ae%e7%9b%9b%e3%82%92%e3%81%a4%e3%81%91%e3%82%8b","status":"publish","type":"post","link":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/5241\/","title":{"rendered":"\u30b0\u30e9\u30d5\u306e\u4e0a\u4e0b\u5de6\u53f3\u8ef8\u306b\u4e3b\u76ee\u76db\u30fb\u526f\u76ee\u76db\u3092\u3064\u3051\u308b"},"content":{"rendered":"

20\u4e16\u7d00\u306e\u5927\u6614\uff0c\u30b5\u30a4\u30a8\u30f3\u30c6\u30a3\u30d5\u30a3\u30c3\u30af\u306a\u30b0\u30e9\u30d5\u3068\u3044\u3046\u3082\u306e\u306f\u4e0a\u4e0b\u5de6\u53f3\u8ef8\u306b\u76ee\u76db\u3092\u3064\u3051\u308b\u3082\u306e\u3060\u3068\u5049\u3044\u5148\u751f\u306b\u6559\u3048\u3089\u308c\u305f\u3053\u3068\u304c\u3042\u308b\u3002\u305d\u306e\u7406\u7531\u306f\uff0c\u5b9a\u898f\u3092\u6c34\u5e73\u307e\u305f\u306f\u5782\u76f4\u306b\u5f53\u3066\u3066\u30b0\u30e9\u30d5\u306e\u66f2\u7dda\u304b\u3089\u6570\u5024\u3092\u8aad\u307f\u53d6\u308b\u305f\u3081\u3060\u3068\u8a00\u308f\u308c\u3066\uff0c\u5999\u306b\u611f\u5fc3\u3057\u305f\u3053\u3068\u3092\u899a\u3048\u3066\u3044\u308b\u3002\u3068\u3044\u3046\u308f\u3051\u3067\uff0c\u4e0a\u4e0b\u5de6\u53f3\u8ef8\u306b\u76ee\u76db\u3092\u3064\u3051\u305f\uff0c\u30b5\u30a4\u30a8\u30f3\u30c6\u30a3\u30d5\u30a3\u30c3\u30af\u306a\u30b0\u30e9\u30d5\u3092\u63cf\u304f\u4f8b\u3002<\/p>\n

SymPy + SymPy Plotting Backends (SPB) \u3092\u8ffd\u52a0\u30022023.3.18
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gnuplot<\/h3>\n

gnuplot \u3067\u306f\u6a19\u6e96\u3067\u4e0a\u4e0b\u5de6\u53f3\u306b\uff08\u4e3b\uff09\u76ee\u76db\u304c\u3064\u304f<\/h4>\n<\/div>\n<\/div>\n<\/div>\n
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$y = \\sin x$ \u306e\u30b0\u30e9\u30d5\u3092 $-5 \\leq x \\leq 5$ \u306e\u7bc4\u56f2\u3067\u63cf\u304f\u4f8b\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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plot<\/span> [<\/span>-5<\/span>:<\/span>5<\/span>]<\/span> sin<\/span>(<\/span>x<\/span>)<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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gnuplot \u3067\u4e3b\u76ee\u76db\u30fb\u526f\u76ee\u76db\u306e\u8a2d\u5b9a<\/h4>\n<\/div>\n<\/div>\n<\/div>\n
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# x \u8ef8\u306e\u4e3b\u76ee\u76db\u3092 1 \u3054\u3068\u306b\uff1b \u526f\u76ee\u76db\u306f\u4e3b\u76ee\u76db\u30925\u7b49\u5206\u306b<\/span>\r\nset<\/span> xtics<\/span> 1<\/span>;<\/span> set<\/span> mxtics<\/span> 5<\/span>\r\n# y \u8ef8\u306e\u4e3b\u76ee\u76db\u3092 0.5 \u3054\u3068\u306b\uff1b \u526f\u76ee\u76db\u306f\u4e3b\u76ee\u76db\u30925\u7b49\u5206\u306b<\/span>\r\nset<\/span> ytics<\/span> 0.5<\/span>;<\/span> set<\/span> mytics<\/span> 5<\/span>\r\n\r\nplot<\/span> [<\/span>-5<\/span>:<\/span>5<\/span>]<\/span> sin<\/span>(<\/span>x<\/span>)<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\u305d\u306e\u4ed6\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3082\u3064\u3051\u3066…<\/h4>\n<\/div>\n<\/div>\n<\/div>\n
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# \u4e3b\u76ee\u76db\u30fb\u526f\u76ee\u76db\u306e\u8a2d\u5b9a<\/span>\r\nset<\/span> xtics<\/span> 1<\/span>;<\/span> set<\/span> mxtics<\/span> 5<\/span>\r\nset<\/span> ytics<\/span> 0.5<\/span>;<\/span> set<\/span> mytics<\/span> 5<\/span>\r\n\r\n# x \u8ef8 y \u8ef8\u3092\u63cf\u304f<\/span>\r\nset<\/span> zeroaxis<\/span>\r\n\r\n# \u30b0\u30ea\u30c3\u30c9\uff08\u683c\u5b50\u7dda\uff09\u3092\u63cf\u304f<\/span>\r\nset<\/span> grid<\/span>\r\n\r\n# x \u8ef8\u306e\u30e9\u30d9\u30eb<\/span>\r\nset<\/span> xlabel<\/span> \"x\"<\/span>\r\n# y \u8ef8\u306e\u30e9\u30d9\u30eb<\/span>\r\nset<\/span> ylabel<\/span> \"sin(x)\"<\/span>\r\n\r\n# y \u8ef8\u306e\u8868\u793a\u7bc4\u56f2\u306e\u8a2d\u5b9a<\/span>\r\nset<\/span> yrange<\/span> [<\/span>-1<\/span>.1<\/span>:<\/span>1.1<\/span>]<\/span> \r\n\r\n# notitle \u3067\u51e1\u4f8b\u975e\u8868\u793a\uff0c\u7dda\u306e\u592a\u3055 line width (lw) \u3092 2 \u306b<\/span>\r\nplot<\/span> [<\/span>-5<\/span>:<\/span>5<\/span>]<\/span> sin<\/span>(<\/span>x<\/span>)<\/span> notitle<\/span> lw<\/span> 2<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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Maxima \u306e plot2d()<\/code><\/h3>\n<\/div>\n<\/div>\n<\/div>\n
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plot2d()<\/code> \u3067\u306f\u6a19\u6e96\u3067\u306f\u4e0a\u4e0b\u5de6\u53f3\u306b\uff08\u4e3b\uff09\u76ee\u76db\u304c\u3064\u304f<\/h4>\n
$y = \\sin x$ \u306e\u30b0\u30e9\u30d5\u3092 $-5 \\leq x \\leq 5$ \u306e\u7bc4\u56f2\u3067\u63cf\u304f\u4f8b\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n
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In\u00a0[1]:<\/div>\n
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plot2d<\/span>(<\/span>\r\n  sin<\/span>(<\/span>x<\/span>)<\/span>, [<\/span>x<\/span>, -<\/span>5<\/span>, 5]<\/span>\r\n)<\/span>$\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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plot2d()<\/code> \u3067\u4e3b\u76ee\u76db\u30fb\u526f\u76ee\u76db\u306e\u8a2d\u5b9a<\/h4>\n
plot2d()<\/code> \u306e\u30aa\u30d7\u30b7\u30e7\u30f3 [xtics, ...]<\/code> \u3084 [ytics, ...]<\/code> \u3067\u5927\u76ee\u76db\u306e\u8a2d\u5b9a\u306f\u53ef\u80fd\u3067\u3059\u304c\uff0c \uff08\u5f18\u5927 JupyterHub \u306e\uff09Maxima \u306f gnuplot \u3092\u4f7f\u3063\u3066\u30b0\u30e9\u30d5\u3092\u63cf\u3044\u3066\u3044\u308b\u306e\u3067\uff0cgnuplot \u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u76f4\u63a5\u8a2d\u5b9a\u3057\u3066\u3084\u308b\u3053\u3068\u3067\u8a73\u7d30\u306a\u8a2d\u5b9a\u304c\u53ef\u80fd\u3002\u66f8\u5f0f\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n
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In\u00a0[2]:<\/div>\n
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plot2d<\/span>(<\/span>\r\n  sin<\/span>(<\/span>x<\/span>)<\/span>, [<\/span>x<\/span>, -<\/span>5<\/span>, 5]<\/span>, \r\n\r\n  \/* x \u8ef8\u306e\u4e3b\u76ee\u76db\u3092 1 \u3054\u3068\u306b\uff1b \u526f\u76ee\u76db\u306f\u4e3b\u76ee\u76db\u30925\u7b49\u5206\u306b *\/<\/span>\r\n  \/* y \u8ef8\u306e\u4e3b\u76ee\u76db\u3092 0.5 \u3054\u3068\u306b\uff1b \u526f\u76ee\u76db\u306f\u4e3b\u76ee\u76db\u30925\u7b49\u5206\u306b *\/<\/span>\r\n  [<\/span>gnuplot_preamble<\/span>, \"set xtics 1; set mxtics 5;<\/span>\r\n                      set ytics 0.5; set mytics 5;\"<\/span>]<\/span>\r\n)<\/span>$\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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grid2d<\/code> \u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3082\u3064\u3051\u3066…<\/h4>\n<\/div>\n<\/div>\n<\/div>\n
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In\u00a0[3]:<\/div>\n
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plot2d<\/span>(<\/span>\r\n  sin<\/span>(<\/span>x<\/span>)<\/span>, [<\/span>x<\/span>, -<\/span>5<\/span>, 5]<\/span>, \r\n\r\n  \/* \u30b0\u30ea\u30c3\u30c9\uff08\u683c\u5b50\u7dda\uff09\u3092\u63cf\u304f *\/<\/span>\r\n  grid2d<\/span>,\r\n\r\n  \/* x \u8ef8\u306e\u4e3b\u76ee\u76db\u3092 1 \u3054\u3068\u306b\uff1b \u526f\u76ee\u76db\u306f\u4e3b\u76ee\u76db\u30925\u7b49\u5206\u306b *\/<\/span>\r\n  \/* y \u8ef8\u306e\u4e3b\u76ee\u76db\u3092 0.5 \u3054\u3068\u306b\uff1b \u526f\u76ee\u76db\u306f\u4e3b\u76ee\u76db\u30925\u7b49\u5206\u306b *\/<\/span>\r\n  [<\/span>gnuplot_preamble<\/span>, \"set xtics 1; set mxtics 5;<\/span>\r\n                      set ytics 0.5; set mytics 5;\"<\/span>]<\/span>\r\n)<\/span>$\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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Maxima \u306e draw2d()<\/code><\/h3>\n<\/div>\n<\/div>\n<\/div>\n
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draw2d()<\/code> \u306e\u6a19\u6e96\u3067\u306f\u4e0b\u3068\u5de6\u306b\u3057\u304b\u76ee\u76db\u304c\u3064\u304b\u306a\u3044<\/h4>\n
\u967d\u95a2\u6570 $y = \\sin x$ \u306e\u30b0\u30e9\u30d5\u3092 $-5 \\leq x \\leq 5$ \u306e\u7bc4\u56f2\u3067\u63cf\u304f\u5834\u5408\u306f explicit(sin(x), ...)<\/code> \u306e\u3088\u3046\u306b\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n
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In\u00a0[4]:<\/div>\n
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draw2d<\/span>(<\/span>\r\n  explicit<\/span>(<\/span>sin<\/span>(<\/span>x<\/span>)<\/span>, x<\/span>, -<\/span>5<\/span>, 5<\/span>)<\/span>\r\n)<\/span>$\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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draw2d()<\/code> \u3067\u4e0a\u4e0b\u5de6\u53f3\u306b\u76ee\u76db\u3092\u3064\u3051\u308b<\/h4>\n
\uff08\u5f18\u5927 JupyterHub \u306e\uff09Maxima \u306f gnuplot \u3092\u4f7f\u3063\u3066\u30b0\u30e9\u30d5\u3092\u63cf\u3044\u3066\u3044\u308b\u306e\u3067\uff0cgnuplot \u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u8a2d\u5b9a\u3057\u3066\u3084\u308b\u3002\u66f8\u5f0f\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b user_preamble = \"set ...;\"<\/code> \u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n
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draw2d<\/span>(<\/span>\r\n  \/* \u4e0a\u4e0b\u5de6\u53f3\u306b\u76ee\u76db\u3092\u3064\u3051\u308b *\/<\/span>\r\n  user_preamble<\/span> =<\/span> \"set xtics mirror; set ytics mirror;\"<\/span>,\r\n\r\n  explicit<\/span>(<\/span>sin<\/span>(<\/span>x<\/span>)<\/span>, x<\/span>, -<\/span>5<\/span>, 5<\/span>)<\/span>\r\n)<\/span>$\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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draw2d()<\/code> \u3067\u4e3b\u76ee\u76db\u30fb\u76ee\u76db\u5c0f\u76ee\u76db\u306e\u8a2d\u5b9a<\/h4>\n<\/div>\n<\/div>\n<\/div>\n
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draw2d<\/span>(<\/span>\r\n  \/* \u4e0a\u4e0b\u5de6\u53f3\u306b\u76ee\u76db\u3092\u3064\u3051\u308b *\/<\/span>\r\n  \/* x \u8ef8\u306e\u4e3b\u76ee\u76db\u3092 1 \u3054\u3068\u306b\uff1b \u526f\u76ee\u76db\u306f\u4e3b\u76ee\u76db\u30925\u7b49\u5206\u306b *\/<\/span>\r\n  \/* y \u8ef8\u306e\u4e3b\u76ee\u76db\u3092 0.5 \u3054\u3068\u306b\uff1b \u526f\u76ee\u76db\u306f\u4e3b\u76ee\u76db\u30925\u7b49\u5206\u306b *\/<\/span>\r\n  user_preamble<\/span> =<\/span> \"set xtics mirror; set ytics mirror;<\/span>\r\n                   set xtics 1; set mxtics 5; <\/span>\r\n                   set ytics 0.5; set mytics 5;\"<\/span>,\r\n\r\n  explicit<\/span>(<\/span>sin<\/span>(<\/span>x<\/span>)<\/span>, x<\/span>, -<\/span>5<\/span>, 5<\/span>)<\/span>\r\n)<\/span>$\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\u305d\u306e\u4ed6\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3082\u3064\u3051\u3066…<\/h4>\n<\/div>\n<\/div>\n<\/div>\n
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In\u00a0[7]:<\/div>\n
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draw2d<\/span>(<\/span>\r\n  \/* \u4e0a\u4e0b\u5de6\u53f3\u306b\u76ee\u76db\u3092\u3064\u3051\u308b *\/<\/span>\r\n  \/* x \u8ef8\u306e\u4e3b\u76ee\u76db\u3092 1 \u3054\u3068\u306b\uff1b \u526f\u76ee\u76db\u306f\u4e3b\u76ee\u76db\u30925\u7b49\u5206\u306b *\/<\/span>\r\n  \/* y \u8ef8\u306e\u4e3b\u76ee\u76db\u3092 0.5 \u3054\u3068\u306b\uff1b \u526f\u76ee\u76db\u306f\u4e3b\u76ee\u76db\u30925\u7b49\u5206\u306b *\/<\/span>\r\n  \/* \u30b0\u30ea\u30c3\u30c9\uff08\u683c\u5b50\u7dda\uff09\u3092\u63cf\u304f *\/<\/span>\r\n  user_preamble<\/span> =<\/span> \"set xtics mirror; set ytics mirror;<\/span>\r\n                   set xtics 1; set mxtics 5; <\/span>\r\n                   set ytics 0.5; set mytics 5;<\/span>\r\n                   set grid;\"<\/span>,\r\n\r\n  \/* \u30b0\u30ea\u30c3\u30c9\uff08\u683c\u5b50\u7dda\uff09\u306f grid = true, \u3067\u3082\u3067\u304d\u308b\u304c\u7d50\u679c\u304c\u7570\u306a\u308b <\/span>\r\n  grid = true, *\/<\/span>\r\n\r\n  \/* y \u8ef8\u306e\u8868\u793a\u7bc4\u56f2\u306e\u8a2d\u5b9a *\/<\/span>\r\n  yrange<\/span> =<\/span> [<\/span>-<\/span>1.1<\/span>, 1.<\/span>1]<\/span>, \r\n\r\n  \/* x \u8ef8 y \u8ef8\u3092\u63cf\u304f *\/<\/span>\r\n  xaxis<\/span> =<\/span>true<\/span>, yaxis<\/span> =<\/span>true<\/span>, \r\n\r\n  \/* x \u8ef8\u306e\u30e9\u30d9\u30eb\uff0cy \u8ef8\u306e\u30e9\u30d9\u30eb *\/<\/span>\r\n  xlabel<\/span> =<\/span> \"x\"<\/span>, ylabel<\/span> =<\/span> \"sin(x)\"<\/span>, \r\n\r\n  \/* \u7dda\u306e\u592a\u3055 line_width \u3092 2 \u306b *\/<\/span>\r\n  line_width<\/span> =<\/span> 2<\/span>, \r\n  explicit<\/span>(<\/span>sin<\/span>(<\/span>x<\/span>)<\/span>, x<\/span>, -<\/span>5<\/span>, 5<\/span>)<\/span>\r\n)<\/span>$\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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user_preamble = \"...\"<\/code> \u3067\u526f\u76ee\u76db\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\uff0cuser_preamble = \"set grid;\"<\/code> \u3067\u30b0\u30ea\u30c3\u30c9\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u3068\uff0cuser_preamble<\/code> \u3067\u306f\u306a\u304f\uff0cgrid = true,<\/code> \u3067\u6307\u5b9a\u3057\u305f\u5834\u5408\u3067\u306f\u7d50\u679c\u304c\u7570\u306a\u308b\u3002<\/p>\n
\u4ee5\u4e0b\u306e\u3088\u3046\u306b\uff0cgrid = true,<\/code> \u3067\u6307\u5b9a\u3057\u305f\u5834\u5408\u306f\uff0c\u4e3b\u30fb\u526f\u76ee\u76db\u5168\u3066\u306b\u30b0\u30ea\u30c3\u30c9\u3092\u63cf\u3044\u3066\u3057\u307e\u3046\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n
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In\u00a0[8]:<\/div>\n
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draw2d<\/span>(<\/span>\r\n  \/* \u4e0a\u4e0b\u5de6\u53f3\u306b\u76ee\u76db\u3092\u3064\u3051\u308b *\/<\/span>\r\n  \/* x \u8ef8\u306e\u4e3b\u76ee\u76db\u3092 1 \u3054\u3068\u306b\uff1b \u526f\u76ee\u76db\u306f\u4e3b\u76ee\u76db\u30925\u7b49\u5206\u306b *\/<\/span>\r\n  \/* y \u8ef8\u306e\u4e3b\u76ee\u76db\u3092 0.5 \u3054\u3068\u306b\uff1b \u526f\u76ee\u76db\u306f\u4e3b\u76ee\u76db\u30925\u7b49\u5206\u306b *\/<\/span>\r\n  user_preamble<\/span> =<\/span> \"set xtics mirror; set ytics mirror;<\/span>\r\n                   set xtics 1; set mxtics 5; <\/span>\r\n                   set ytics 0.5; set mytics 5;<\/span>\r\n                   \"<\/span>,\r\n  \/* \u30b0\u30ea\u30c3\u30c9\uff08\u683c\u5b50\u7dda\uff09\u306f grid = true, \u3067\u3082\u3067\u304d\u308b\u304c\u7d50\u679c\u304c\u7570\u306a\u308b *\/<\/span>\r\n  grid<\/span> =<\/span> true<\/span>, \r\n  \/* \u4e3b\u30fb\u526f\u76ee\u76db\u5168\u3066\u306b\u30b0\u30ea\u30c3\u30c9\u3092\u63cf\u3044\u3066\u3057\u307e\u3046 *\/<\/span>\r\n\r\n  \/* y \u8ef8\u306e\u8868\u793a\u7bc4\u56f2\u306e\u8a2d\u5b9a *\/<\/span>\r\n  yrange<\/span> =<\/span> [<\/span>-<\/span>1.1<\/span>, 1.<\/span>1]<\/span>, \r\n  \/* x \u8ef8 y \u8ef8\u3092\u63cf\u304f *\/<\/span>\r\n  xaxis<\/span> =<\/span>true<\/span>, yaxis<\/span> =<\/span>true<\/span>, \r\n  \/* x \u8ef8\u306e\u30e9\u30d9\u30eb\uff0cy \u8ef8\u306e\u30e9\u30d9\u30eb *\/<\/span>\r\n  xlabel<\/span> =<\/span> \"x\"<\/span>, ylabel<\/span> =<\/span> \"sin(x)\"<\/span>, \r\n\r\n  \/* \u7dda\u306e\u592a\u3055 line_width \u3092 2 \u306b *\/<\/span>\r\n  line_width<\/span> =<\/span> 2<\/span>, \r\n  explicit<\/span>(<\/span>sin<\/span>(<\/span>x<\/span>)<\/span>, x<\/span>, -<\/span>5<\/span>, 5<\/span>)<\/span>\r\n)<\/span>$\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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matplotlib.pyplot.plot()<\/code><\/h3>\n<\/div>\n<\/div>\n<\/div>\n
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In\u00a0[1]:<\/div>\n
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# NumPy \u3082\u4f7f\u3044\u307e\u3059<\/span>\r\nimport<\/span> numpy<\/span> as<\/span> np<\/span>\r\n# Matplotlib \u3067\u30b0\u30e9\u30d5\u3092\u63cf\u304d\u307e\u3059<\/span>\r\nimport<\/span> matplotlib.pyplot<\/span> as<\/span> plt<\/span>\r\n\r\n# \u4ee5\u4e0b\u306f\u30b0\u30e9\u30d5\u3092 SVG \u3067 Notebook \u306b\u30a4\u30f3\u30e9\u30a4\u30f3\u8868\u793a\u3055\u305b\u308b\u8a2d\u5b9a<\/span>\r\n%<\/span>config<\/span> InlineBackend.figure_formats = ['svg']<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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plt.plot()<\/code> \u306f\u6a19\u6e96\u3067\u306f\u4e0b\u3068\u5de6\u306b\u3057\u304b\u76ee\u76db\u304c\u3064\u304b\u306a\u3044<\/h4>\n
$y = \\sin x$ \u306e\u30b0\u30e9\u30d5\u3092 $-5 \\leq x \\leq 5$ \u306e\u7bc4\u56f2\u3067\u63cf\u304f\u4f8b\u3002<\/p>\n
\u307e\u305a\uff0c$x$ \u8ef8\u7528\u306b $-5 \\leq x \\leq 5$ \u3092\uff08\u3053\u3053\u3067\u306f\uff09200 \u7b49\u5206\u3057\u305f\u30ea\u30b9\u30c8 x<\/code> \u3092\u4f5c\u308a\uff0c$y$ \u8ef8\u7528\u306b\u306f y = np.sin(x)<\/code> \u3068\u3057\u305f\u30ea\u30b9\u30c8 y<\/code> \u3092\u4f5c\u308a\uff0c plt.plot(x, y)<\/code> \u3067\u30b0\u30e9\u30d5\u3092\u63cf\u304f\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n
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In\u00a0[2]:<\/div>\n
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x<\/span> =<\/span> np<\/span>.<\/span>linspace<\/span>(<\/span>-<\/span>5<\/span>,<\/span> 5<\/span>,<\/span> 201<\/span>)<\/span>\r\ny<\/span> =<\/span> np<\/span>.<\/span>sin<\/span>(<\/span>x<\/span>)<\/span>\r\n\r\nplt<\/span>.<\/span>plot<\/span>(<\/span>x<\/span>,<\/span> y<\/span>);<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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plt.plot()<\/code> \u3067\u4e0a\u4e0b\u5de6\u53f3\u306b\uff08\u5185\u5411\u304d\u306b\uff09\u76ee\u76db\u3092\u3064\u3051\u308b<\/h4>\n<\/div>\n<\/div>\n<\/div>\n
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In\u00a0[3]:<\/div>\n
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#\u30b0\u30e9\u30d5\u306e\u4e0a\u4e0b\u5de6\u53f3\u306b\u76ee\u76db\u3092\u4ed8\u3051\u308b\u3002<\/span>\r\nf<\/span> =<\/span> plt<\/span>.<\/span>figure<\/span>()<\/span>\r\nax<\/span> =<\/span> f<\/span>.<\/span>add_subplot<\/span>(<\/span>111<\/span>)<\/span>\r\nax<\/span>.<\/span>xaxis<\/span>.<\/span>set_ticks_position<\/span>(<\/span>'both'<\/span>)<\/span>\r\nax<\/span>.<\/span>yaxis<\/span>.<\/span>set_ticks_position<\/span>(<\/span>'both'<\/span>)<\/span>\r\n\r\n# tick \u306e\u5411\u304d\u3092\u5185\u5074\u306b<\/span>\r\nplt<\/span>.<\/span>tick_params<\/span>(<\/span>which<\/span> =<\/span>\"both\"<\/span>,<\/span>direction<\/span> =<\/span> 'in'<\/span>)<\/span>\r\n\r\nplt<\/span>.<\/span>plot<\/span>(<\/span>x<\/span>,<\/span> y<\/span>);<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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plt.plot()<\/code> \u3067\u4e3b\u76ee\u76db\u30fb\u526f\u76ee\u76db\u306e\u8a2d\u5b9a<\/h4>\n<\/div>\n<\/div>\n<\/div>\n
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In\u00a0[4]:<\/div>\n
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#\u30b0\u30e9\u30d5\u306e\u4e0a\u4e0b\u5de6\u53f3\u306b\u76ee\u76db\u3092\u4ed8\u3051\u308b\u3002<\/span>\r\nf<\/span> =<\/span> plt<\/span>.<\/span>figure<\/span>()<\/span>\r\nax<\/span> =<\/span> f<\/span>.<\/span>add_subplot<\/span>(<\/span>111<\/span>)<\/span>\r\nax<\/span>.<\/span>xaxis<\/span>.<\/span>set_ticks_position<\/span>(<\/span>'both'<\/span>)<\/span>\r\nax<\/span>.<\/span>yaxis<\/span>.<\/span>set_ticks_position<\/span>(<\/span>'both'<\/span>)<\/span>\r\n\r\n# tick \u306e\u5411\u304d\u3092\u5185\u5074\u306b<\/span>\r\nplt<\/span>.<\/span>tick_params<\/span>(<\/span>which<\/span> =<\/span>\"both\"<\/span>,<\/span>direction<\/span> =<\/span> 'in'<\/span>)<\/span>\r\n\r\n# x \u306e\u4e3b\u76ee\u76db\u3092 1 \u523b\u307f\u306b<\/span>\r\nplt<\/span>.<\/span>xticks<\/span>(<\/span>np<\/span>.<\/span>arange<\/span>(<\/span>-<\/span>5<\/span>,<\/span> 6<\/span>,<\/span> 1<\/span>))<\/span>\r\n# y \u306e\u4e3b\u76ee\u76db\u3092 0.5 \u523b\u307f\u306b<\/span>\r\nplt<\/span>.<\/span>yticks<\/span>(<\/span>np<\/span>.<\/span>arange<\/span>(<\/span>-<\/span>1.<\/span>,<\/span> 1.1<\/span>,<\/span> 0.5<\/span>))<\/span>\r\n# \u526f\u76ee\u76db\u3082\u8868\u793a\uff08\u526f\u76ee\u76db\u306e\u500b\u6570\u3068\u304b\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u8a2d\u5b9a\u306f\uff1f\uff09<\/span>\r\nplt<\/span>.<\/span>minorticks_on<\/span>()<\/span>\r\n\r\nplt<\/span>.<\/span>plot<\/span>(<\/span>x<\/span>,<\/span> y<\/span>);<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\u305d\u306e\u4ed6\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3082\u3064\u3051\u3066…<\/h4>\n<\/div>\n<\/div>\n<\/div>\n
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In\u00a0[5]:<\/div>\n
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#\u30b0\u30e9\u30d5\u306e\u4e0a\u4e0b\u5de6\u53f3\u306b\u76ee\u76db\u3092\u4ed8\u3051\u308b\u3002<\/span>\r\nf<\/span> =<\/span> plt<\/span>.<\/span>figure<\/span>()<\/span>\r\nax<\/span> =<\/span> f<\/span>.<\/span>add_subplot<\/span>(<\/span>111<\/span>)<\/span>\r\nax<\/span>.<\/span>xaxis<\/span>.<\/span>set_ticks_position<\/span>(<\/span>'both'<\/span>)<\/span>\r\nax<\/span>.<\/span>yaxis<\/span>.<\/span>set_ticks_position<\/span>(<\/span>'both'<\/span>)<\/span>\r\n\r\n# tick \u306e\u5411\u304d\u3092\u5185\u5074\u306b<\/span>\r\nplt<\/span>.<\/span>tick_params<\/span>(<\/span>which<\/span> =<\/span>\"both\"<\/span>,<\/span>direction<\/span> =<\/span> 'in'<\/span>)<\/span>\r\n\r\n# x \u306e\u4e3b\u76ee\u76db\u3092 1 \u523b\u307f\u306b<\/span>\r\nplt<\/span>.<\/span>xticks<\/span>(<\/span>np<\/span>.<\/span>arange<\/span>(<\/span>-<\/span>5<\/span>,<\/span> 6<\/span>,<\/span> 1<\/span>))<\/span>\r\n# y \u306e\u4e3b\u76ee\u76db\u3092 0.5 \u523b\u307f\u306b<\/span>\r\nplt<\/span>.<\/span>yticks<\/span>(<\/span>np<\/span>.<\/span>arange<\/span>(<\/span>-<\/span>1.<\/span>,<\/span> 1.1<\/span>,<\/span> 0.5<\/span>))<\/span>\r\n# \u526f\u76ee\u76db\u3082\u8868\u793a\uff08\u526f\u76ee\u76db\u306e\u500b\u6570\u3068\u304b\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u8a2d\u5b9a\u306f\uff1f\uff09<\/span>\r\nplt<\/span>.<\/span>minorticks_on<\/span>()<\/span>\r\n\r\n# \u4e3b\u76ee\u76db\u306b\u30b0\u30ea\u30c3\u30c9\uff08\u683c\u5b50\u7dda\uff09<\/span>\r\nplt<\/span>.<\/span>grid<\/span>(<\/span>which<\/span>=<\/span>\"major\"<\/span>,<\/span> color<\/span>=<\/span>\"lightgray\"<\/span>,<\/span> ls<\/span>=<\/span>\"--\"<\/span>,<\/span> linewidth<\/span>=<\/span>0.5<\/span>)<\/span>\r\n\r\n# x\u8ef8 y\u8ef8<\/span>\r\nplt<\/span>.<\/span>axhline<\/span>(<\/span>0<\/span>,<\/span> color<\/span>=<\/span>'black'<\/span>,<\/span> dashes<\/span>=<\/span>(<\/span>5<\/span>,<\/span> 5<\/span>),<\/span> linewidth<\/span>=<\/span>0.5<\/span>)<\/span>\r\nplt<\/span>.<\/span>axvline<\/span>(<\/span>0<\/span>,<\/span> color<\/span>=<\/span>'black'<\/span>,<\/span> dashes<\/span>=<\/span>(<\/span>5<\/span>,<\/span> 5<\/span>),<\/span> linewidth<\/span>=<\/span>0.5<\/span>)<\/span>\r\n\r\n# x \u8ef8\u306e\u8868\u793a\u7bc4\u56f2<\/span>\r\nplt<\/span>.<\/span>xlim<\/span>([<\/span>-<\/span>5<\/span>,<\/span>5<\/span>])<\/span>\r\n# y \u8ef8\u306e\u8868\u793a\u7bc4\u56f2<\/span>\r\nplt<\/span>.<\/span>ylim<\/span>([<\/span>-<\/span>1.1<\/span>,<\/span> 1.1<\/span>])<\/span>\r\n\r\n# x \u8ef8\u306e\u30e9\u30d9\u30eb<\/span>\r\nplt<\/span>.<\/span>xlabel<\/span>(<\/span>\"x\"<\/span>)<\/span>\r\n# y \u8ef8\u306e\u30e9\u30d9\u30eb<\/span>\r\nplt<\/span>.<\/span>ylabel<\/span>(<\/span>\"sin(x)\"<\/span>)<\/span>\r\n\r\n# \u7dda\u306e\u592a\u3055 linewidth \u3092 2.5 \u306b<\/span>\r\nplt<\/span>.<\/span>plot<\/span>(<\/span>x<\/span>,<\/span> y<\/span>,<\/span> linewidth<\/span> =<\/span> 2.5<\/span>);<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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SymPy + SymPy Plotting Backends (SPB)<\/h3>\n