.gem/ruby/2.7.0/gems/numo-gnuplot-0.2.4/lib/numo/gnuplot.rb:307:in `run': (Numo::GnuplotError)
line 0: Gridding of the color column is not implemented
2d example
how produce 2d image from array[][]
x = 3
y = 4
tab = Array.new(x) { Array.new(y,(rand(5)+1).to_s)}
.gem/ruby/2.7.0/gems/numo-gnuplot-0.2.4/lib/numo/gnuplot.rb:307:in `run': (Numo::GnuplotError)
line 0: Gridding of the color column is not implemented
2d example
how produce 2d image from array[][]
x = 3
y = 4
tab = Array.new(x) { Array.new(y,(rand(5)+1).to_s)}