{"id":5963,"date":"2023-03-30T11:02:04","date_gmt":"2023-03-30T02:02:04","guid":{"rendered":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/?p=5963"},"modified":"2023-03-30T11:02:26","modified_gmt":"2023-03-30T02:02:26","slug":"gnuplot-%e3%81%a7%e9%9b%bb%e5%a0%b4%e3%81%ae%e6%96%b9%e5%90%91%e5%a0%b4%e3%82%92%e6%8f%8f%e3%81%8f","status":"publish","type":"post","link":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/5963\/","title":{"rendered":"gnuplot \u3067\u96fb\u5834\u30d9\u30af\u30c8\u30eb\u306e\u65b9\u5411\u5834\u3092\u63cf\u304f"},"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>\u6b63\u8ca0\u306e\u70b9\u96fb\u8377\u304c\u3064\u304f\u308b\u96fb\u5834\u306e\u5411\u304d\u3092\u8868\u3059\u65b9\u5411\u5834\u3092 gnuplot \u3067\u63cf\u304f\u3002\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u306e\u629c\u7c8b\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/3619\/\">palette \u3067\u30d9\u30af\u30c8\u30eb\u306e\u8272\u3092\u5909\u3048\u3066 gnuplot \u3067\u96fb\u5834\u30fb\u78c1\u5834\u3092\u63cf\u304f<\/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=\"\u6b63\u8ca0\u306e\u70b9\u96fb\u8377\u304c\u3064\u304f\u308b\u96fb\u5834\">\u6b63\u8ca0\u306e\u70b9\u96fb\u8377\u304c\u3064\u304f\u308b\u96fb\u5834<\/h3>\n<p>$\\boldsymbol{r}_1$ \u306b\u3042\u308b\u6b63\u96fb\u8377 $q\\ (&gt;0)$ \u3068\uff0c$\\boldsymbol{r}_2$ \u306b\u3042\u308b\u8ca0\u96fb\u8377 $-q$ \u304c\u3064\u304f\u308b\u96fb\u5834\u30d9\u30af\u30c8\u30eb $\\boldsymbol{E}$ \u306f<\/p>\n<p>\\begin{eqnarray}<br \/>\n\\boldsymbol{E}<br \/>\n&amp;=&amp; \\frac{q}{4\\pi \\varepsilon_0} \\frac{\\boldsymbol{r} &#8211; \\boldsymbol{r}_1}{|\\boldsymbol{r} &#8211; \\boldsymbol{r}_1|^3}<br \/>\n&#8211; \\frac{q}{4\\pi \\varepsilon_0} \\frac{\\boldsymbol{r} &#8211; \\boldsymbol{r}_2}{|\\boldsymbol{r} &#8211; \\boldsymbol{r}_2|^3}<br \/>\n\\end{eqnarray}<\/p>\n<p>$z=0$ \u306e $xy$ \u5e73\u9762\u30672\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u5834\u3092\u63cf\u304f\u3002\u9069\u5b9c\u7121\u6b21\u5143\u5316\u3092\u884c\u3044\uff0c<br \/>\n$\\displaystyle \\frac{q}{4\\pi \\varepsilon_0}\\rightarrow 1$ \u3068\u3059\u308b\u3002\u307e\u305f\uff0c<\/p>\n<p>$$\\boldsymbol{r} = (x, y, 0), \\quad \\boldsymbol{r}_1 = (0, 1, 0),<br \/>\n\\quad \\boldsymbol{r}_2 = (0, -1, 0)$$<\/p>\n<p>\u3068\u3059\u308b\u3068\uff0c<\/p>\n<p>$$E_x = \\frac{x}{\\left(x^2 + (y-1)^2\\right)^{3\/2}}-\\frac{x}{\\left(x^2 + (y+1)^2\\right)^{3\/2}}$$$$E_y = \\frac{y-1}{\\left(x^2 + (y-1)^2\\right)^{3\/2}}-<br \/>\n\\frac{y+1}{\\left(x^2 + (y+1)^2\\right)^{3\/2}}$$<\/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<h3 id=\"$\\boldsymbol{E}$-\u306e\u5411\u304d\u3092\u8868\u3059\u65b9\u5411\u5834\uff08\u5358\u4f4d\u30d9\u30af\u30c8\u30eb\u5834\uff09\">$\\boldsymbol{E}$ \u306e\u5411\u304d\u3092\u8868\u3059\u65b9\u5411\u5834\uff08\u5358\u4f4d\u30d9\u30af\u30c8\u30eb\u5834\uff09<\/h3>\n<p>\u4e00\u822c\u306b\u30d9\u30af\u30c8\u30eb\u306f\u5927\u304d\u3055\u3068\u5411\u304d\u3092\u8868\u3059\u3002\u96fb\u5834 $\\boldsymbol{E}$ \u306e\u5927\u304d\u3055\u306f\u96fb\u8377\u304b\u3089\u306e\u8ddd\u96e2\u306e2\u4e57\u306b\u53cd\u6bd4\u4f8b\u3059\u308b\u306e\u3067\uff0c]\u30d9\u30af\u30c8\u30eb\u306e\u9577\u3055\u304c\u5927\u304d\u304f\u5909\u5316\u3059\u308b\u3002\u898b\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306b\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b $\\boldsymbol{E}$ \u306e\u5411\u304d\u3092\u8868\u3059\u65b9\u5411\u5834\uff0c\u3059\u306a\u308f\u3061\u5927\u304d\u3055\u304c $1$ \u306e\u5358\u4f4d\u30d9\u30af\u30c8\u30eb\u5834\u3092\u5b9a\u7fa9\u3057\u3066\uff0c\u30d9\u30af\u30c8\u30eb\u306e\u5411\u304d\u306e\u307f\u3092\u6b63\u3057\u304f\u63cf\u753b\u3059\u308b\u3002<\/p>\n<p>$$\\hat{\\boldsymbol{E}} \\equiv \\frac{\\boldsymbol{E}}{\\sqrt{\\boldsymbol{E}\\cdot\\boldsymbol{E}}}$$$$\\hat{E}_x = \\frac{E_x}{\\sqrt{E_x^2 + E_y^2}}$$$$\\hat{E}_y = \\frac{E_y}{\\sqrt{E_x^2 + E_y^2}}$$<\/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<h3 id=\"\u6b63\u8ca0\u306e\u70b9\u96fb\u8377\u304c\u3064\u304f\u308b\u96fb\u5834\u306e\u65b9\u5411\u5834\u3092\u63cf\u304f\">\u6b63\u8ca0\u306e\u70b9\u96fb\u8377\u304c\u3064\u304f\u308b\u96fb\u5834\u306e\u65b9\u5411\u5834\u3092\u63cf\u304f<\/h3>\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=\"\u30b0\u30e9\u30d5\u306e\u30b5\u30a4\u30ba\u7b49\u306e\u8a2d\u5b9a\">\u30b0\u30e9\u30d5\u306e\u30b5\u30a4\u30ba\u7b49\u306e\u8a2d\u5b9a<\/h4>\n<p>\u30b0\u30e9\u30d5\u306e\u30b5\u30a4\u30ba\u3092\u8a2d\u5b9a\u3002\u5f18\u5927 JupyterHub \u306e <a href=\"https:\/\/github.com\/has2k1\/gnuplot_kernel\">gnuplot_kernel<\/a> \u3067\u306f\u30a4\u30f3\u30e9\u30a4\u30f3 SVG\u3002<code>size<\/code> \u3068 <code>font<\/code> \u306e\u8a2d\u5b9a\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-gnuplot\">\n<pre><span class=\"err\">%gnu<\/span><span class=\"k\">plot<\/span> <span class=\"n\">inline<\/span> <span class=\"n\">svg<\/span> <span class=\"n\">size<\/span> <span class=\"mi\">640<\/span><span class=\"o\">,<\/span><span class=\"mi\">640<\/span> <span class=\"n\">fixed<\/span> <span class=\"n\">enhanced<\/span> <span class=\"n\">font<\/span> <span class=\"s\">'Noto Sans CJK JP,16'<\/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<h4 id=\"\u96fb\u5834\u30d9\u30af\u30c8\u30eb\u306e\u5b9a\u7fa9\">\u96fb\u5834\u30d9\u30af\u30c8\u30eb\u306e\u5b9a\u7fa9<\/h4>\n<p>\u96fb\u5834\u30d9\u30af\u30c8\u30eb\u3092 <code>x, y<\/code> \u306e2\u5909\u6570\u95a2\u6570\u3068\u3057\u3066\u5b9a\u7fa9\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-gnuplot\">\n<pre><span class=\"c\"># \u96fb\u5834 E<\/span>\r\n<span class=\"nf\">Ex<\/span>(x, y) <span class=\"o\">=<\/span> <span class=\"n\">x<\/span><span class=\"o\">\/<\/span><span class=\"nf\">sqrt<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">**<\/span><span class=\"mi\">2<\/span> <span class=\"o\">+<\/span> <span class=\"n\">y<\/span><span class=\"o\">**<\/span><span class=\"mi\">2<\/span><span class=\"p\">)<\/span><span class=\"o\">**<\/span><span class=\"mi\">3<\/span>\r\n<span class=\"nf\">Ey<\/span>(x, y) <span class=\"o\">=<\/span> <span class=\"n\">y<\/span><span class=\"o\">\/<\/span><span class=\"nf\">sqrt<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">**<\/span><span class=\"mi\">2<\/span> <span class=\"o\">+<\/span> <span class=\"n\">y<\/span><span class=\"o\">**<\/span><span class=\"mi\">2<\/span><span class=\"p\">)<\/span><span class=\"o\">**<\/span><span class=\"mi\">3<\/span>\r\n\r\n<span class=\"c\"># \u6b63\u8ca0\u306e\u70b9\u96fb\u8377\u304c\u3064\u304f\u308b\u96fb\u5834<\/span>\r\n<span class=\"nf\">E2x<\/span>(x, y) <span class=\"o\">=<\/span> <span class=\"nf\">Ex<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"n\">y<\/span><span class=\"mi\">-1<\/span><span class=\"p\">)<\/span> <span class=\"o\">-<\/span> <span class=\"nf\">Ex<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"n\">y<\/span><span class=\"o\">+<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nf\">E2y<\/span>(x, y) <span class=\"o\">=<\/span> <span class=\"nf\">Ey<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"n\">y<\/span><span class=\"mi\">-1<\/span><span class=\"p\">)<\/span> <span class=\"o\">-<\/span> <span class=\"nf\">Ey<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"n\">y<\/span><span class=\"o\">+<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c\"># \u96fb\u5834\u306e\u5927\u304d\u3055<\/span>\r\n<span class=\"nf\">E<\/span>(x, y) <span class=\"o\">=<\/span> <span class=\"nf\">sqrt<\/span><span class=\"p\">(<\/span><span class=\"nf\">E2x<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"n\">y<\/span><span class=\"p\">)<\/span><span class=\"o\">**<\/span><span class=\"mi\">2<\/span> <span class=\"o\">+<\/span> <span class=\"nf\">E2y<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"n\">y<\/span><span class=\"p\">)<\/span><span class=\"o\">**<\/span><span class=\"mi\">2<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"c\"># \u96fb\u5834\u306e\u65b9\u5411\u5834\u3002\u898f\u683c\u5316\u3055\u308c\u305f hat E<\/span>\r\n<span class=\"nf\">hE2x<\/span>(x, y) <span class=\"o\">=<\/span> <span class=\"n\">scaling<\/span> <span class=\"o\">*<\/span> <span class=\"nf\">E2x<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"n\">y<\/span><span class=\"p\">)<\/span><span class=\"o\">\/<\/span><span class=\"nf\">E<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"n\">y<\/span><span class=\"p\">)<\/span>\r\n<span class=\"nf\">hE2y<\/span>(x, y) <span class=\"o\">=<\/span> <span class=\"n\">scaling<\/span> <span class=\"o\">*<\/span> <span class=\"nf\">E2y<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"n\">y<\/span><span class=\"p\">)<\/span><span class=\"o\">\/<\/span><span class=\"nf\">E<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">,<\/span> <span class=\"n\">y<\/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<h4 id=\"\u30d9\u30af\u30c8\u30eb\u5834\u3092\u63cf\u304f\">\u30d9\u30af\u30c8\u30eb\u5834\u3092\u63cf\u304f<\/h4>\n<p>gnuplot \u3067\u30d9\u30af\u30c8\u30eb\u3092\u63cf\u304f\u57fa\u672c\u306f <a href=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/5846\/#i-4\">\u3053\u3053<\/a> \u3092\u53c2\u7167\u3002<\/p>\n<p>\u70b9\u96fb\u8377\u304c $y$ \u8ef8\u4e0a\u306b\u3042\u308b\u306e\u3067\uff0c\u30d9\u30af\u30c8\u30eb\u306e\u59cb\u70b9\u304c $y$ \u8ef8\u306b\u6765\u306a\u3044\u3088\u3046\u306b <code>urange<\/code>, <code>vrange<\/code>, <code>samples<\/code>, <code>isosamples<\/code> \u3092\u8a2d\u5b9a\u3057\u3066\u304a\u304f\u3002\uff08\u70b9\u96fb\u8377\u4e0a\u3067\u306f\u96fb\u5834\u306e\u5206\u6bcd\u304c\u30bc\u30ed\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u304b\u3089\u3002\uff09<br \/>\n\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\uff0c<code>set urange [-5.5:5.5]<\/code>, <code>set samples 12<\/code> \u306a\u306e\u3067\uff0c\u30d9\u30af\u30c8\u30eb\u306e\u59cb\u70b9\u306e $x$ \u5ea7\u6a19\u306f<\/p>\n<p>$$-5.5, -4.5, \\cdots, -0.5, 0.5, \\cdots, 5.5$$<\/p>\n<p>\u3068\u306a\u308a\uff0c$y$ \u8ef8\u4e0a ($x = 0$) \u306b\u59cb\u70b9\u304c\u3053\u306a\u3044\u3002<\/p>\n<p>special filename &#8220;++&#8221; \u3092\u4f7f\u3063\u3066\u30d9\u30af\u30c8\u30eb\u3092\u30d7\u30ed\u30c3\u30c8\u3059\u308b\u969b\u306e\u66f8\u5f0f\u306f&#8230;<\/p>\n<div class=\"highlight\">\n<pre><span class=\"k\">plot<\/span> <span class=\"s\">\"++\"<\/span> <span class=\"nb\">using<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">Vx<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">Vy<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span> <span class=\"nb\">with<\/span> <span class=\"n\">vectors<\/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[3]:<\/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\"># special filename \"++\" \u306e\u3068\u304d\u306f<\/span>\r\n<span class=\"c\"># urange, vrange \u3067\u63cf\u753b\u7bc4\u56f2\u306e\u8a2d\u5b9a<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">urange<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-5<\/span><span class=\"mf\">.5<\/span><span class=\"o\">:<\/span><span class=\"mf\">5.5<\/span><span class=\"p\">]<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">vrange<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-5<\/span><span class=\"mf\">.5<\/span><span class=\"o\">:<\/span><span class=\"mf\">5.5<\/span><span class=\"p\">]<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">size<\/span> <span class=\"n\">ratio<\/span> <span class=\"mi\">1<\/span>\r\n\r\n<span class=\"c\"># x \u8ef8\u65b9\u5411\u306e\u30b5\u30f3\u30d7\u30eb\u6570<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">samples<\/span> <span class=\"mi\">12<\/span>\r\n<span class=\"c\"># y \u8ef8\u65b9\u5411\u306e\u30b5\u30f3\u30d7\u30eb\u6570<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">isosamples<\/span> <span class=\"mi\">12<\/span>\r\n\r\n<span class=\"c\"># \u8868\u793a\u7bc4\u56f2\u306e\u8a2d\u5b9a<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">xrange<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-6<\/span><span class=\"mf\">.5<\/span><span class=\"o\">:<\/span><span class=\"mf\">6.5<\/span><span class=\"p\">]<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">yrange<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-6<\/span><span class=\"mf\">.5<\/span><span class=\"o\">:<\/span><span class=\"mf\">6.5<\/span><span class=\"p\">]<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">xtics<\/span> <span class=\"mi\">1<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">ytics<\/span> <span class=\"mi\">1<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">grid<\/span>\r\n\r\n<span class=\"c\"># \u30d9\u30af\u30c8\u30eb\u306e\u9577\u3055\u8abf\u6574\u7528<\/span>\r\n<span class=\"nv\">scaling<\/span> <span class=\"o\">=<\/span> <span class=\"mf\">0.7<\/span>\r\n\r\n<span class=\"k\">plot<\/span> <span class=\"s\">\"++\"<\/span> <span class=\"nb\">using<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">hE2x<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">hE2y<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span> \\\r\n     <span class=\"nb\">with<\/span> <span class=\"n\">vectors<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">2<\/span> <span class=\"n\">filled<\/span> <span class=\"n\">head<\/span> <span class=\"nb\">notitle<\/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-large wp-image-5987\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gvecfig01a.svg\" alt=\"\" width=\"640\" height=\"640\" \/><\/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=\"\u70b9\u96fb\u8377\u306e\u4f4d\u7f6e\u306b\u30e9\u30d9\u30eb\">\u70b9\u96fb\u8377\u306e\u4f4d\u7f6e\u306b\u30e9\u30d9\u30eb<\/h4>\n<p>\u6b63\u96fb\u8377\uff0c\u8ca0\u96fb\u8377\u306e\u4f4d\u7f6e\u306b\u30e9\u30d9\u30eb\u3092\u3064\u3051\u3066\u307f\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[4]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"c\"># \u6b63\u96fb\u8377\u306e\u4f4d\u7f6e\u306b\u9752\u4e38\u3068 +<\/span>\r\n<span class=\"c\"># <\/span>\r\n<span class=\"c\"># set label 1 point pt 7 ps 2 lc \"white\" at 0, 1 front<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">label<\/span> <span class=\"mi\">2<\/span> <span class=\"n\">point<\/span> <span class=\"n\">pt<\/span> <span class=\"mi\">6<\/span> <span class=\"n\">ps<\/span> <span class=\"mi\">2<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">\"blue\"<\/span> <span class=\"n\">at<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span> <span class=\"mi\">1<\/span> <span class=\"n\">front<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">label<\/span> <span class=\"mi\">3<\/span> <span class=\"n\">center<\/span> <span class=\"n\">at<\/span> <span class=\"n\">first<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span> <span class=\"mi\">1<\/span> <span class=\"s\">\"\uff0b\"<\/span> <span class=\"n\">tc<\/span> <span class=\"s\">\"blue\"<\/span> <span class=\"n\">front<\/span>\r\n\r\n<span class=\"c\"># \u8ca0\u96fb\u8377\u306e\u4f4d\u7f6e\u306b\u8d64\u4e38\u3068 -<\/span>\r\n<span class=\"c\"># \u4e00\u65e6\u767d\u304f\u5857\u308a\u3064\u3076\u3059<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">label<\/span> <span class=\"mi\">11<\/span> <span class=\"n\">point<\/span> <span class=\"n\">pt<\/span> <span class=\"mi\">7<\/span> <span class=\"n\">ps<\/span> <span class=\"mi\">2<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">\"white\"<\/span> <span class=\"n\">at<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span> <span class=\"mi\">-1<\/span> <span class=\"n\">front<\/span>\r\n<span class=\"c\"># \u3042\u3089\u305f\u3081\u3066\u8d64\u4e38\u3092\u63cf\u304f<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">label<\/span> <span class=\"mi\">12<\/span> <span class=\"n\">point<\/span> <span class=\"n\">pt<\/span> <span class=\"mi\">6<\/span> <span class=\"n\">ps<\/span> <span class=\"mi\">2<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">\"red\"<\/span> <span class=\"n\">at<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span> <span class=\"mi\">-1<\/span> <span class=\"n\">front<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">label<\/span> <span class=\"mi\">13<\/span> <span class=\"n\">center<\/span> <span class=\"n\">at<\/span> <span class=\"n\">first<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span> <span class=\"mi\">-1<\/span> <span class=\"s\">\"\u30fc\"<\/span> <span class=\"n\">tc<\/span> <span class=\"s\">\"red\"<\/span> <span class=\"n\">front<\/span>\r\n\r\n<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-large wp-image-5988\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gvecfig02a.svg\" alt=\"\" width=\"640\" height=\"640\" \/><\/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=\"linecolor-palette\">linecolor palette<\/h4>\n<p><code>lc palette (linecolor palette)<\/code> \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3059\u308b\u3068\uff0c<code>using<\/code> \u306e5\u3064\u76ee\u306e\u5024\uff08\u4ee5\u4e0b\u3067\u306f\u96fb\u5834\u30d9\u30af\u30c8\u30eb $\\boldsymbol{E}$ \u306e\u5927\u304d\u3055 <code>(E($1,$2))<\/code>\uff09\u306b\u5bfe\u5fdc\u3059\u308b <code>line color<\/code> \u3092\u3064\u3051\u3066\u304f\u308c\u308b\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[5]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">plot<\/span> <span class=\"s\">\"++\"<\/span> <span class=\"nb\">u<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">hE2x<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">hE2y<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">E<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span> \\\r\n     <span class=\"nb\">w<\/span> <span class=\"n\">vec<\/span> <span class=\"n\">lc<\/span> <span class=\"n\">palette<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">4<\/span> <span class=\"n\">filled<\/span> <span class=\"n\">head<\/span> <span class=\"nb\">notitle<\/span>\r\n<\/pre>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"output_wrapper\">\n<div class=\"output\">\n<div class=\"output_area\">\n<div class=\"prompt\"><\/div>\n<div class=\"output_svg output_subarea \">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-5989\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gvecfig03a.svg\" alt=\"\" width=\"640\" height=\"640\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing text_cell rendered\">\n<div class=\"prompt input_prompt\"><\/div>\n<div class=\"inner_cell\">\n<div class=\"text_cell_render border-box-sizing rendered_html\">\n<h4 id=\"palette-\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a\u4e8b\u9805\">palette \u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a\u4e8b\u9805<\/h4>\n<p><code>set palette cubehelix start 0 cycles 0 saturation 3 negative<\/code> \u3068\u3057\u3066\uff0c\u96fb\u5834\u304c\u5f31\u3044\uff08$E$ \u3059\u306a\u308f\u3061 <code>(E($1,$2))<\/code> \u304c\u5c0f\u3055\u3044\uff09\u3068\u3053\u308d\u306f\u8584\u3044\u8272\u306b\u306a\u308b\u3088\u3046\u306b <code>palette<\/code> \u3092\u8a2d\u5b9a\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<ul>\n<li><code>start<\/code> 0:\u9752\uff0c1:\u8d64\uff0c2:\u7dd1<\/li>\n<li><code>cycles<\/code> 0:\u6fc3\u3055\u3060\u3051\u304c\u5909\u5316<\/li>\n<li><code>saturation<\/code> \u5f69\u5ea6\u3002\u5c0f\u3055\u3044\u5024\u307b\u3069\u6de1\u3044\u3002\u7279\u306b 0 \u306f\u30e2\u30ce\u30af\u30ed\u3002<\/li>\n<li><code>negative<\/code> \u5c0f\u3055\u3044\u5024\u307b\u3069\u8584\u304f\u3002<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"cell border-box-sizing code_cell rendered\">\n<div class=\"input\">\n<div class=\"prompt input_prompt\">In\u00a0[6]:<\/div>\n<div class=\"inner_cell\">\n<div class=\"input_area\">\n<div class=\" highlight hl-gnuplot\">\n<pre><span class=\"k\">set<\/span> <span class=\"nb\">palette<\/span> <span class=\"n\">cubehelix<\/span> <span class=\"n\">start<\/span> <span class=\"mi\">0<\/span> <span class=\"n\">cycles<\/span> <span class=\"mi\">0<\/span> <span class=\"n\">saturation<\/span> <span class=\"mi\">3<\/span> <span class=\"n\">negative<\/span>\r\n<span class=\"k\">plot<\/span> <span class=\"s\">\"++\"<\/span> <span class=\"nb\">u<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">hE2x<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">hE2y<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">E<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span> \\\r\n     <span class=\"nb\">w<\/span> <span class=\"n\">vec<\/span> <span class=\"nb\">notitle<\/span> <span class=\"n\">lc<\/span> <span class=\"n\">palette<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">4<\/span> <span class=\"n\">filled<\/span> <span class=\"n\">head<\/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-large wp-image-5990\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gvecfig04a.svg\" alt=\"\" width=\"640\" height=\"640\" \/><\/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>\u96fb\u8377\u306e\u4f4d\u7f6e\u304b\u3089\u96e2\u308c\u308b\u3068\uff0c\u96fb\u5834\u306e\u5927\u304d\u3055\u306f\u6025\u6fc0\u306b\u5c0f\u3055\u304f\u306a\u308b\u306e\u3067\uff0c\u3053\u306e\u307e\u307e\u3067\u306f\u8584\u304f\u3066\u307b\u3068\u3093\u3069\u898b\u3048\u306a\u3044\u30d9\u30af\u30c8\u30eb\u3070\u304b\u308a\u306b\u306a\u308b\u3002\u3053\u308c\u3060\u3068\u5c11\u3057\u5bc2\u3057\u3044\u306e\u3067 <code>saturation<\/code> \u3092\u601d\u3044\u5207\u3063\u3066\u5927\u304d\u306a\u5024\u306b\u3057\u3066\u307f\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[7]:<\/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\">palette<\/span> <span class=\"n\">cubehelix<\/span> <span class=\"n\">start<\/span> <span class=\"mi\">0<\/span> <span class=\"n\">cycles<\/span> <span class=\"mi\">0<\/span> <span class=\"n\">saturation<\/span> <span class=\"mi\">300<\/span> <span class=\"n\">negative<\/span>\r\n<span class=\"k\">plot<\/span> <span class=\"s\">\"++\"<\/span> <span class=\"nb\">u<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">hE2x<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">hE2y<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">E<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span> \\\r\n     <span class=\"nb\">w<\/span> <span class=\"n\">vec<\/span> <span class=\"nb\">notitle<\/span> <span class=\"n\">lc<\/span> <span class=\"n\">palette<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">4<\/span> <span class=\"n\">filled<\/span> <span class=\"n\">head<\/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-large wp-image-5991\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gvecfig05a.svg\" alt=\"\" width=\"640\" height=\"640\" \/><\/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=\"\u4e00\u5fdc\u306e\u5b8c\u6210\u4f5c\">\u4e00\u5fdc\u306e\u5b8c\u6210\u4f5c<\/h4>\n<p>\u4ee5\u4e0a\u306e\u8a2d\u5b9a\u3092\u307e\u3068\u3081\u3066\u307f\u305f\u306e\u304c\u4ee5\u4e0b\u306e\u4f8b\u3002\u30b5\u30f3\u30d7\u30eb\u6570\u3092\u5897\u3084\u3057\uff0c\u5c11\u3057\u77ed\u3081\u306e\u30d9\u30af\u30c8\u30eb\u3092\u305f\u304f\u3055\u3093\u63cf\u3044\u3066\u307f\u305f\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\"># special filename \"++\" \u306e\u3068\u304d\u306f<\/span>\r\n<span class=\"c\"># urange, vrange \u3067\u63cf\u753b\u7bc4\u56f2\u306e\u8a2d\u5b9a<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">urange<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-5<\/span><span class=\"mf\">.25<\/span><span class=\"o\">:<\/span><span class=\"mf\">5.25<\/span><span class=\"p\">]<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">vrange<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-5<\/span><span class=\"mf\">.25<\/span><span class=\"o\">:<\/span><span class=\"mf\">5.25<\/span><span class=\"p\">]<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">size<\/span> <span class=\"n\">ratio<\/span> <span class=\"mi\">1<\/span>\r\n\r\n<span class=\"c\"># x \u8ef8\u65b9\u5411\u306e\u30b5\u30f3\u30d7\u30eb\u6570<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">samples<\/span> <span class=\"mi\">22<\/span>\r\n<span class=\"c\"># y \u8ef8\u65b9\u5411\u306e\u30b5\u30f3\u30d7\u30eb\u6570<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">isosamples<\/span> <span class=\"mi\">22<\/span>\r\n\r\n<span class=\"c\"># \u8868\u793a\u7bc4\u56f2\u306e\u8a2d\u5b9a<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">xrange<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-6<\/span><span class=\"o\">:<\/span><span class=\"mi\">6<\/span><span class=\"p\">]<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">yrange<\/span> <span class=\"p\">[<\/span><span class=\"mi\">-6<\/span><span class=\"o\">:<\/span><span class=\"mi\">6<\/span><span class=\"p\">]<\/span>\r\n\r\n<span class=\"c\"># \u76ee\u76db\u3068\u5916\u67a0\u306e\u975e\u8868\u793a<\/span>\r\n<span class=\"k\">unset<\/span> <span class=\"nb\">xtics<\/span>\r\n<span class=\"k\">unset<\/span> <span class=\"nb\">ytics<\/span>\r\n<span class=\"k\">unset<\/span> <span class=\"nb\">border<\/span>\r\n\r\n<span class=\"c\"># \u6b63\u96fb\u8377\u306e\u4f4d\u7f6e\u306b\u9752\u4e38\u3068 +<\/span>\r\n<span class=\"c\"># set label 1 point pt 7 ps 2 lc \"white\" at 0, 1 front<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">label<\/span> <span class=\"mi\">2<\/span> <span class=\"n\">point<\/span> <span class=\"n\">pt<\/span> <span class=\"mi\">6<\/span> <span class=\"n\">ps<\/span> <span class=\"mi\">2<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">\"blue\"<\/span> <span class=\"n\">at<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span> <span class=\"mi\">1<\/span> <span class=\"n\">front<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">label<\/span> <span class=\"mi\">3<\/span> <span class=\"n\">center<\/span> <span class=\"n\">at<\/span> <span class=\"n\">first<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span> <span class=\"mi\">1<\/span> <span class=\"s\">\"\uff0b\"<\/span> <span class=\"n\">tc<\/span> <span class=\"s\">\"blue\"<\/span> <span class=\"n\">front<\/span>\r\n\r\n<span class=\"c\"># \u8ca0\u96fb\u8377\u306e\u4f4d\u7f6e\u306b\u8d64\u4e38\u3068 -<\/span>\r\n<span class=\"c\"># \u4e00\u65e6\u767d\u304f\u5857\u308a\u3064\u3076\u3059<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">label<\/span> <span class=\"mi\">11<\/span> <span class=\"n\">point<\/span> <span class=\"n\">pt<\/span> <span class=\"mi\">7<\/span> <span class=\"n\">ps<\/span> <span class=\"mi\">2<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">\"white\"<\/span> <span class=\"n\">at<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span> <span class=\"mi\">-1<\/span> <span class=\"n\">front<\/span>\r\n<span class=\"c\"># \u3042\u3089\u305f\u3081\u3066\u8d64\u3044\u8f2a\u3092\u63cf\u304f<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">label<\/span> <span class=\"mi\">12<\/span> <span class=\"n\">point<\/span> <span class=\"n\">pt<\/span> <span class=\"mi\">6<\/span> <span class=\"n\">ps<\/span> <span class=\"mi\">2<\/span> <span class=\"n\">lc<\/span> <span class=\"s\">\"red\"<\/span> <span class=\"n\">at<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span> <span class=\"mi\">-1<\/span> <span class=\"n\">front<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">label<\/span> <span class=\"mi\">13<\/span> <span class=\"n\">center<\/span> <span class=\"n\">at<\/span> <span class=\"n\">first<\/span> <span class=\"mi\">0<\/span><span class=\"o\">,<\/span> <span class=\"mi\">-1<\/span> <span class=\"s\">\"\u30fc\"<\/span> <span class=\"n\">tc<\/span> <span class=\"s\">\"red\"<\/span> <span class=\"n\">front<\/span>\r\n\r\n<span class=\"k\">set<\/span> <span class=\"nb\">title<\/span> <span class=\"s\">\"\u6b63\u8ca0\u306e\u70b9\u96fb\u8377\u304c\u3064\u304f\u308b\u96fb\u5834\u306e\u5411\u304d\"<\/span>\r\n\r\n<span class=\"c\"># \u30b0\u30e9\u30d5\u53f3\u306e\u30ab\u30e9\u30fc\u30dc\u30c3\u30af\u30b9\u975e\u8868\u793a<\/span>\r\n<span class=\"k\">unset<\/span> <span class=\"nb\">colorbox<\/span>\r\n\r\n<span class=\"c\"># \u30d9\u30af\u30c8\u30eb\u306e\u9577\u3055\u8abf\u6574\u7528<\/span>\r\n<span class=\"nv\">scaling<\/span> <span class=\"o\">=<\/span> <span class=\"mf\">0.3<\/span>\r\n<span class=\"c\"># colorbox \u306e\u7bc4\u56f2 show cbrange \u3067\u78ba\u8a8d\u53ef\u80fd<\/span>\r\n<span class=\"k\">set<\/span> <span class=\"nb\">cbrange<\/span> <span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"o\">:<\/span><span class=\"mi\">11<\/span><span class=\"p\">]<\/span>\r\n\r\n<span class=\"k\">set<\/span> <span class=\"nb\">palette<\/span> <span class=\"n\">cubehelix<\/span> <span class=\"n\">start<\/span> <span class=\"mi\">0<\/span> <span class=\"n\">cycles<\/span> <span class=\"mi\">0<\/span> <span class=\"n\">saturation<\/span> <span class=\"mi\">500<\/span> <span class=\"n\">negative<\/span>\r\n<span class=\"k\">plot<\/span> <span class=\"s\">\"++\"<\/span> <span class=\"nb\">u<\/span> <span class=\"mi\">1<\/span><span class=\"o\">:<\/span><span class=\"mi\">2<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">hE2x<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">hE2y<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span><span class=\"o\">:<\/span><span class=\"p\">(<\/span><span class=\"nf\">E<\/span><span class=\"p\">(<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">,<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"p\">))<\/span> \\\r\n     <span class=\"nb\">w<\/span> <span class=\"n\">vec<\/span> <span class=\"nb\">notitle<\/span> <span class=\"n\">lc<\/span> <span class=\"n\">palette<\/span> <span class=\"n\">lw<\/span> <span class=\"mi\">4<\/span> <span class=\"n\">filled<\/span> <span class=\"n\">head<\/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-large wp-image-5992\" src=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-content\/uploads\/sites\/76\/gvecfig06a.svg\" alt=\"\" width=\"640\" height=\"640\" \/><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6b63\u8ca0\u306e\u70b9\u96fb\u8377\u304c\u3064\u304f\u308b\u96fb\u5834\u306e\u5411\u304d\u3092\u8868\u3059\u65b9\u5411\u5834\u3092 gnuplot \u3067\u63cf\u304f\u3002\u4ee5\u4e0b\u306e\u30da\u30fc\u30b8\u306e\u629c\u7c8b\u3002<\/p><p><a class=\"more-link btn\" href=\"https:\/\/home.hirosaki-u.ac.jp\/relativity\/5963\/\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n<ul>\n<li>palette \u3067\u30d9\u30af\u30c8\u30eb\u306e\u8272\u3092\u5909\u3048\u3066 gnuplot \u3067\u96fb\u5834\u30fb\u78c1\u5834\u3092\u63cf\u304f<\/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":[15,19],"tags":[],"class_list":["post-5963","post","type-post","status-publish","format-standard","hentry","category-gnuplot","category-19","nodate","item-wrap"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/posts\/5963","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=5963"}],"version-history":[{"count":4,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/posts\/5963\/revisions"}],"predecessor-version":[{"id":5993,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/posts\/5963\/revisions\/5993"}],"wp:attachment":[{"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/media?parent=5963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/categories?post=5963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/home.hirosaki-u.ac.jp\/relativity\/wp-json\/wp\/v2\/tags?post=5963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}