MATLAB: Change of spherical coordinates to rectangular

3d plots

I want to plot the following function: R = Seno(θ)*Cos(Φ) ;;; θ rotates with respect to the Y axis from 0 ° to 180 ° and Φ rotates with respect to X from 0 ° to 360 °

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doc sph2cart

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MATLAB: Rectangular mesh using coordinates

B =5;
x1 = linspace(0,5/10,10);
y1 = linspace((B-B/12),B,10);
[X,Y] = meshgrid(x1,y1);
plot(X,Y,'r',X',Y','r')

MATLAB: Plotting antenna field patterns in spherical coordinates

Why do you think your array needs to be square? Mesh, surf, etc. will accept any gridded data. Assuming your A values represent the radius at any given theta and phi:

 theta = linspace(0, pi, 90);
 phi = linspace(0, 2*pi, 46);
 [theta, phi] = meshgrid(theta, phi);
 A = ones(size(theta));
 [x,y,z] = sph2cart(theta, phi, A);
 mesh(x,y,z)

Is this what you're after?

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Related Solutions

MATLAB: Rectangular mesh using coordinates

MATLAB: Plotting antenna field patterns in spherical coordinates

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