pyGroupedTransforms

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

pyGroupedTransforms 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

The pyGroupedTransforms package can be installed via pip:

pip install pyGroupedTransforms

Read the documentation for specific usage information.

Requirements

  • Python 3.8 or greater
  • pyNFFT3 0.2.2 or greater
  • NumPy 2.0.0 or greater
  • SciPy 1.16.0 or greater

Project links

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Credits

Author: Felix Wirth

Maintainer: Pascal Schröter

GitHub Statistics

Data verified by PyPI on Feb 24, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

Requires

Python >=3.9

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