using PyPlot
clf()
n = 100
x = range(-pi/2,stop=pi/2,length=n)
xgrid = repeat(x,n,1)
ygrid = repeat(x,1,n)
z = cos(xgrid).*cos(ygrid)
fig = figure("An example", figsize=(10,5))
ax = fig[:add_subplot](1,1,1, projection = "3d")
ax[:plot_surface](xg...
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16.12.2018 / 05:15