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Plotting Implicit Function in Polar Coordinate

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I can plot this equation - cos(x) + cos(y) + cos(z) = 0
with cartician coordinate using this code.
syms x y z
f = @(x,y,z) cos(x) + cos(y) + cos(z);
a = 0:0.1:2*pi;
b = 0:0.1:2*pi;
c = 0:0.1:2*pi;
[X,Y,Z] = meshgrid(a,b,c);
data = f(X,Y,Z);
p = patch(isosurface(a,b,c,data,0));
cdata = smooth3(rand(size(data)),'box',7);
p.FaceColor = 'interp';
p.EdgeColor = 'none';
daspect([1 1 1])
axis tight
lighting gouraud
But now I would like to plot in r, theta, z coordinate like a coin shape fill with this surface how can I do that ?

Answers (1)

Divija Aleti
Divija Aleti on 5 Feb 2021
Hi Teerapong,
Have a look at the following links:
Additionally, you can download 3D Polar plot from file exchange, which may help:


Find more on Polar Plots in Help Center and File Exchange

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