generalised FFTLog
Project description
fftl — generalised FFTLog for Python
The fftl package for Python contains a routine to calculate integral
transforms of the type ã(k) = ∫ a(r) T(kr) dr for arbitrary kernels T. It
uses a modified FFTLog[^2] method of Hamilton[^1] to efficiently compute the
transform on logarithmic input and output grids.
The package only requires numpy. To install with pip:
pip install fftl
[^1]: Hamilton A. J. S., 2000, MNRAS, 312, 257 (astro-ph/9905191) [^2]: Talman J. D., 1978, J. Comp. Phys., 29, 35
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