$ cat /etc/os-release NAME="Ubuntu" VERSION="16.10 (Yakkety Yak)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 16.10" VERSION_ID="16.10" HOME_URL="http://www.ubuntu.com/" SUPPORT_URL="http://help.ubuntu.com/" BUG_REPORT_URL="http://bugs.la…

陰関数の表示。 require 'bundler/setup' require 'numo/gnuplot' Numo.gnuplot do set term: {png: {size: [600, 600]}} set output: "output.png" set "multiplot" set xrange: -10..10 set yrange: -10..10 set "contour" set "cntrparam levels discrete…