Adds l1norm from Ajani, Starck, Pettorino 2021

LSSTDESC / DifferentiableHOS

Project to study higher order weak lensing statistics using differentiable simulations.

MIT License

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Adds l1norm from Ajani, Starck, Pettorino 2021 #2

Closed EiffL closed 3 years ago

EiffL commented 3 years ago

This PR adds some basic structure to the package, and adds wavelet transforms and computation of the l1norm statistic defined in https://arxiv.org/pdf/2101.01542.pdf

To use the tools defined in this PR, checkout the README, the package can be easily installed with pip.

I've also added tests for the wavelet transform, and double checked a few things for the l1norm but I don't have any implementation I can compare against.

EiffL commented 3 years ago

Thanks for the review @dlanzieri :-) hehehe, let me return you the question, how can you derivate the power spectrum with respect to some cosmological parameters?