Fast C routines to compute the Non-equispaced Discrete Fourier Transform
NFFT3 is a C library for computing nonequispaced fast Fourier transforms (NFFT) and generalisations: to arbitrary knots in time and frequency (NNFFT), to the sphere S^2 (NFSFT), to the hyperbolic cross (NSFFT), to real-valued data (NFCT, NFST) and to the rotation group (NFSOFT), together with iterative inverse solvers.
NFFT3 is a C library for computing nonequispaced fast Fourier transforms (NFFT) and generalisations: to arbitrary knots in time and frequency (NNFFT), to the sphere S^2 (NFSFT), to the hyperbolic cross (NSFFT), to real-valued data (NFCT, NFST) and to the rotation group (NFSOFT), together with iterative inverse solvers.
To install nfft-3, run the following command in macOS terminal (Applications->Utilities->Terminal)
sudo port install nfft-3
To see what files were installed by nfft-3, run:
port contents nfft-3
To later upgrade nfft-3, run:
sudo port selfupdate && sudo port upgrade nfft-3
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