How to do polar plot correctly?
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The task is to plot each group in different symbol and color and show them at their "angle" location in polar plot. This script was used:
factor = 1.2 * 1e-3;
n = 7;
f = [400 200 -10 -200 -300];
symb = ['ro' 'bd' 'gs' 'm^' 'cv' 'r+' 'bx'];
t = (nn-1)*factor;
A = exp(-1i*2*pi*t*f);
[THETA,RHO] = cart2pol(real(A), imag(A));
However this was what it output. Obviously this is not correct, no polar graph and no color symbol. Something must be wrong.
Above, if no color used by using the script below, it plot as the second graph below:
symb = ['o' 'd' 's' '^' 'v' '+' 'x'];
Thank you for pointing out the mistake.