Fast and direct inversion methods for the multivariate nonequispaced fast Fourier transform

The well-known discrete Fourier transform (DFT) can easily be generalized to arbitrary nodes in the spatial domain. The fast procedure for this generalization is referred to as nonequispaced fast Fourier transform (NFFT). Various applications such as MRI and solution of PDEs are interested in the in...

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Үндсэн зохиолчид:	Melanie Kircheis, Daniel Potts
Формат:	Artigo
Хэл сонгох:	Inglês
Хэвлэсэн:	Frontiers Media S.A. 2023-06-01
Цуврал:	Frontiers in Applied Mathematics and Statistics
Нөхцлүүд:	inverse nonequispaced fast Fourier transform nonuniform fast Fourier transform direct inversion iNFFT NFFT
Онлайн хандалт:	https://www.frontiersin.org/articles/10.3389/fams.2023.1155484/full
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