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Spinning top!
on 17 Oct 2021
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%Remix from Matworks example on fsurf
x = @(u,v) exp(-abs(u)/10).*sin(5*abs(v));
y = @(u,v) exp(-abs(u)/10).*cos(5*abs(v));
z = @(u,v) u;
fs = fsurf(x,y,z);
fs.URange = [-30 30];
fs.FaceAlpha = .7;
fs. LineStyle='none';
colormap cool
axis off;
material shiny;
lighting gouraud;
camlight;