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//Caption: Circular Convolution between two 2D matrices
//Example3.12
//page 122
clc;
x = [1,2;3,4];
h = [5,6;7,8];
X = fft2d(x); //2D FFT of x matrix
H = fft2d(h); //2D FFT of h matrix
Y = X.*H; //Element by Element multiplication
y = ifft2d(Y);
disp(y,'Circular Convolution Result y =')
//Result
//Circular Convolution Result y =
//
// 70. 68.
// 62. 60.
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