FFTW
Fastest Fourier Transform in the West
- FFTW License — About FFTW license.
- FFTWwrapper — load/free FFTW library dynamically.
- fft — Fast Fourier transform.
- fft2 — 2-D fast Fourier transform.
- fftn — N-Dimensions fast Fourier transform.
- fftshift — Shift the zero-frequency component to the center of the spectrum.
- fftw — function for determining FFT algorithm.
- ifft — Inverse Fast Fourier transform.
- ifftn — Inverse multidimensional fast Fourier transform.
- ifftshift — inverse of fftshift