imagesc
Plot an image.
n = 300 x = linspace(10., -10., n) t = linspace(-1., 1., n) z = (3. .+ 4*cosh.(2x' .- 8t) .+ cosh.(4x' .- 64t)) ./ (3*cosh.(x' .- 28t) .+ cosh.(3x' .- 36t)) .^ 2 imagesc(z, (minimum(z),0.6maximum(z)))