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Bi
on 6 Oct 2021
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figure('Color','white')
[x,y] = meshgrid(-2:.01:2,-2:.01:2);
z = -x.^2 .* exp(-x.^2 - y.^2); %Function
[px,py] = gradient(z,.2,.2);
surf(x,y,z,"EdgeColor","interp", "FaceColor","interp" )
colormap("jet")
hold
axis off
view(0 ,90)