Summation with Nested For Loop

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Umer Khalid
Umer Khalid 2022-4-27
评论： Umer Khalid 2022-4-27
Hi,
I am trying to perform summation using for loop, where I have to change two different variables, theta and theta_m. Thetha_m has to run for 5 iterations (values given) and Theta has to run for 19 iterations. However, at the end I am getting same numbers in whole array. I think I am doing something wrong at the end. Can someone please look at the equation and the code and point out what I am doing wrong?
I have to store these 19 values somewhere for further operation on another formula.
Any help or assistance will be highly appreciated.
Thank you.
theta_doa = 0:20:360;
theta_m = [0 60 144 216 288];
k=1:19;
for i=1:19
j=0;
c_square = 0;
for j=1:5
c_eqn = cosd(theta_doa(i)-theta_m(j)).^2 % internal equation for c_square
c_square = c_square + c_eqn
end
c_square(k)=c_square;
end

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采纳的回答

Torsten
Torsten 2022-4-27
编辑：Torsten 2022-4-27
theta_doa = 0:20:360;
theta_m = [0 60 144 216 288];
c_square = zeros(1,numel(theta_doa));
for i = 1:numel(theta_doa)
for j = 1:numel(theta_m)
c_square(i) = c_square(i) + (cosd(theta_doa(i)-theta_m(j)))^2 ;
end
end

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