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Items for "unequally spaced Fourier transforms"

Fast Gauss transforms with complex parameters using NFFTs

We construct a fast algorithm for the computation of discrete Gauss transforms with complex parameters, capable of dealing with non equispaced points...

Keywords: Gauss transform, unequally spaced Fourier transforms, fast algorithms, chirped Gaussian, NFFT

12/2006 | Journal of Numerical Mathematics, Walter de Gruyter