Topics
Here is a list of all topics with brief descriptions:

FPT - Fast polynomial transform | This module implements fast polynomial transforms
MRI - Transforms in magnetic resonance imaging |
NFCT - Nonequispaced fast cosine transform | Direct and fast computation of the discrete nonequispaced cosine transform
NFFT - Nonequispaced fast Fourier transform | Direct and fast computation of the nonequispaced discrete Fourier transform
NFSFT - Nonequispaced fast spherical Fourier transform | This module implements nonuniform fast spherical Fourier transforms
NFSOFT - Nonequispaced fast SO(3) Fourier transform | This module implements nonuniform fast SO(3) Fourier transforms
NFST - Nonequispaced fast sine transform | Direct and fast computation of the discrete nonequispaced sine transform
NNFFT - Nonequispaced in time and frequency FFT | Direct and fast computation of the discrete nonequispaced in time and frequency Fourier transform
NSFFT - Nonequispaced sparse FFT | Direct and fast computation of the nonequispaced FFT on the hyperbolic cross
Solver - Inverse transforms |
Util - Auxiliary functions | This module implements frequently used utility functions
Examples |
Solver component |
Applications |
Fast summation | Direct and fast summation (convolution)
fastsum_matlab |
fastsum_test |
Fast summation of radial functions on the sphere |
fastsumS2_matlab |
Iterative reconstruction on the sphere S2 |
iterS2_matlab |
Transforms in magnetic resonance imaging |
2D transforms |
construct_data_2d |
construct_data__inh_2d1d |
construct_data_inh_3d |
reconstruct_data_2d |
construct_data_gridding |
reconstruct_data__inh_2d1d |
reconstruct_data_inh_3d |
construct_data_inh_nnfft |
3D transforms |
construct_data_1d2d |
construct_data_3d |
reconstruct_data_1d2d |
reconstruct_data_3d |
reconstruct_data_gridding |
Polar FFT |
Fast evaluation of quadrature formulae on the sphere |
quadratureS2_test |