fft (MATLAB Functions) - Northwestern University
http://www.ece.northwestern.edu/local-apps/matlabhelp/techdoc/ref/fft.html
WEBfft (MATLAB Functions) fft. Discrete Fourier transform. Syntax. Y = fft (X) Y = fft (X,n) Y = fft (X, [],dim) Y = fft (X,n,dim) Definition. The functions X=fft (x) and x=ifft (X) implement the transform and inverse transform pair given for vectors of …
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