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Creating Polar mesh in matlab

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I want to plot a surface z = f(x,y) and it is desired to plot it on a circle surface. Is it possible in matlab or can create polar mesh on matlab?

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Accepted Answer

David Goodmanson
David Goodmanson on 13 Jan 2021
Edited: Cris LaPierre on 13 Jan 2021
Hi Reza,
% make a rectangular grid of r and theta,
% then define x and y in the usual way
rr = 0:1:20;
thth = (0:.05:1)*2*pi;
[r th] = meshgrid(rr,thth);
x = r.*cos(th);
y = r.*sin(th);
z = 1 + x.^2 - y.^2;
surf(x,y,z)

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Reza Lashani
Reza Lashani on 13 Jan 2021
Thanks david. It helped me so much.

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More Answers (1)

Cris LaPierre
Cris LaPierre on 13 Jan 2021
See this answer on how to do this using a rectangular matrix
See this blog post for how to do this with polar coordinates.

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Reza Lashani
Reza Lashani on 13 Jan 2021
Thank you cris. These articles was very useful to me.

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