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GroupedTransforms.jl

Fast Grouped Transformations as introduced in Bartel, Potts, Schmischke, 2021 .

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GroupedTransforms.jl provides the following fast algorithms:

  • nonequispaced fast transformation with exponential functions for grouped index sets based on the NFFT (non-equispaced fast Fourier transform)
  • nonequispaced fast transformation with cosine functions for grouped index sets based on the NFCT (non-equispaced fast cosine transform)

Getting started

In Julia you can get started by typing

] add GroupedTransforms

then checkout the documentation.