Study in Chemnitz. To know what is good.






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Links

Special contributions

For Matlab

For a quick start try the MATLAB files nfft.m, ndft.m, show_nfft.m.
Use nfft-3.1.*.tar.gz and the mex interface (see ./configure --help).
A collection of m-files can be found at NUFFT - nonuniform FFT toolbox for Matlab by J.A. Fessler and B.P. Sutton.

For Mathematica

A Mathematica implementation for performing the NFFT as well as a Mathematica notebook demonstrating the use of the package written by Sseziwa Mukasa (mukasa(AT)jeol.com) can be downloaded.

For Windows & Visual C

The NFFT2.0 is also available for Windows as Visual C project by Eskofier Bjoern (bjoern.eskofier(AT)gmx.de).
Using the NFFT3.0 for Windows see the FAQ.

Links

Methods, similar to the NFFT, are known as

  • unequally-spaced fast Fourier transform (USFFT by G. Beylkin).
  • generalized fast Fourier transform (GFFT by A. Dutt and V. Rokhlin),
  • non uniform fast Fourier transform (NUFFT by J.A. Fessler and B.P. Sutton),
  • non equispaced fast Fourier transform NFFT by K. Fourmount),
  • irregularly spaced data analysis (ISDA by J. Pelt)