numo-gnuplot sample
ウィンドウで表示する場合。Linux Mint 20.3。
require "numo/gnuplot" Numo.gnuplot do set terminal: "wxt font 'Noto Sans CJK JP,12'" set title: "グラフのタイトル" set xrange: 0..6 set yrange: 0..60 set xlabel: "x軸のラベル" set ylabel: "y軸のラベル" x = [1, 2, 3] y1 = [11, 25, 32] y2 = [21, 35, 42] y3 = [31, 45, 52] plot x, y1, {title: "系列1"}, x, y2, {w: :lines, title: "系列2(線のみ)"}, x, y3, {w: :linespoints, title: "系3(点と線)"}, "x * 10", {title: "y = x * 10"} end sleep