Discrete Fourier Transform using MATLAB?
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Sufiyan
2023-3-2
Hello,
You can refer to the below code.
% Define the input sequence x[n]
x = [1 2 3 4];
% Compute the DFT coefficients X[k]
X = zeros(1, 4);
for k = 1:4
for n = 1:4
X(k) = X(k) + x(n) * exp(-2*pi*1i*(n-1)*(k-1)/4);
end
end
disp(X);
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