![]() ![]() ![]() If X is a multidimensional array, fft operates on the first nonsingleton dimension. If X is a matrix, fft returns the Fourier transform of each column of the matrix. Returns the discrete Fourier transform (DFT) of vector X, computed with a fast Fourier transform (FFT) algorithm. The functions X = fft(x) and x = ifft(X) implement the transform and inverse transform pair given for vectors of length by: Fft (MATLAB Functions) MATLAB Function Reference
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