integrate a matrix which is a function of two variables

theta1=-180:180;
phi1=-90:90;
theta3dB=40;
[theta phi ]=meshgrid(theta1,phi1);
B=-min(12.*(theta./theta3dB).^2,Am);

how to integrate B, from theta 0 to 180?

Answer 1

[Athul Prakash]

Not sure what you meant by integrate...

But I think you might be looking for something like cumsum, have a look at this:

https://www.mathworks.com/help/matlab/ref/cumsum.html

Since you have discrete values of theta, a cummulative sum would approximate the integration over this range.

Hope it helps!