A superfast direct inversion method for the nonuniform discrete Fourier transform
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Publication:6531370
arXiv2404.13223MaRDI QIDQ6531370
Ethan N. Epperly, Heather Wilber, Alex H. Barnett
Has companion code repository: https://github.com/heatherw3521/nudft
Numerical solutions to overdetermined systems, pseudoinverses (65F20) Numerical methods for discrete and fast Fourier transforms (65T50) Numerical methods for low-rank matrix approximation; matrix compression (65F55)
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