receive argument: Gnuplot.new(gnuplot_command). Numo.gnuplot returns default instance. new command: pause,load,raise,lower. new non-gnuplot command: var. define without define_method: clear,exit,quit,refresh. add comments.
receive argument: Gnuplot.new(gnuplot_command).
Numo.gnuplot returns default instance.
new command: pause,load,raise,lower.
new non-gnuplot command: var.
define without define_method: clear,exit,quit,refresh.
add comments.

ruby-numo/gnuplot