CR-Sparse v0.3.2

Documentation

Added

Dictionaries

• Grassmannian frames

Linear operators

• windowed_op

Sparse Recovery algorithms

• FOCUSS
• SPGL1 (Spectral Projected Gradient L1)

Optimization : Smooth functions

• smooth_quad_error

Optimization algorithms

• Spectral projected gradient

Test Problems

• New test problems module introduced
• heavi-sine:fourier:heavi-side
• blocks:haar
• cosine-spikes:dirac-dct
• complex:sinusoid-spikes:dirac-fourier
• cosine-spikes:dirac-dct:gaussian
• piecewise-cubic-poly:daubechies:gaussian
• signed-spikes:dirac:gaussian
• complex:signed-spikes:dirac:gaussian
• blocks:heavi-side
• blocks:normalized-heavi-side
• gaussian-spikes:dirac:gaussian
• src-sep-1

Examples

• Matching pursuit demo
• Grassmannian frames demo
• Several examples based on the test problems

Documentation

• Thinking in JAX tutorial added
• Quick start expanded
• Test problems documentation linked with examples

Changed

• Matching pursuit implementation revamped

Fixed

• Handling of complex signals in Subspace Pursuit
• Handling of complex signals in Compressive Sampling Matching Pursuit

Improved

• Support change condition added in convergence criteria for Subspace Pursuit
• order attribute in reshape linear operator

Removed

• cr.sparse.io moved to cr-nimble project