Changelog#

Version 0.11.1#

Released on: 25/11/2025

Released on: 24/11/2025

Added pyproximal.optimization.primal.DouglasRachfordSplitting solver
Added pyproximal.projection.GenericIntersectionProj and pyproximal.GenericIntersectionProx operators
Added pyproximal.projection.HalfSpaceProj and pyproximal.HalfSpace operators
Added pyproximal.L10Ball operator (as renaming of pyproximal.L01Ball)
Added pyproximal.projection.HalfSpaceProj and pyproximal.HalfSpace operators
Added input parameters to allow a user to provide an initial guess for the auxiliary variables in all solvers
Added gfirst to pyproximal.optimization.primal.ADMML2
Homogenize error/warning/info messages across the library by switching to logging/warning
Fixed backtracking of y in pyproximal.optimization.palm.iPALM
Fixed implementation in __call__ method of pyproximal.L0
Fixed pyproximal.ProxOperator._PrecompositionOperator to be able to handle CuPy arrays

Released on: 11/12/2024

Added pyproximal.optimization.primal.AndersonProximalGradient solver
Added pyproximal.proximal.HuberCircular operator
Added fungrad method to pyproximal.proximal.Nonlinear
Modified pyproximal.proximal.Huber operator as previously erroneously implemented using the definition of Circular Huber norm

Released on: 16/08/2024

Added pyproximal.optimization.palm.iPALM solver
Added pyproximal.optimization.palm._backtracking method to be used when gammaf=None and/or gammag=None
Added pyproximal.utils.gradtest.gradtest_proximal and pyproximal.utils.gradtest.gradtest_bilinear methods
Added tol to pyproximal.optimization.primal.ProximalPoint and pyproximal.optimization.primal.ProximalGradient solvers
Modified pyproximal.ProxOperator.precomposition to allow b being also a vector

Released on: 11/03/2024

Added pyproximal.projection.L01BallProj and pyproximal.proximal.L01Ball operators
Added eta to pyproximal.optimization.primal.ProximalGradient
Added eta and weights to pyproximal.optimization.primal.GeneralizedProximalGradient
Allow eta to pyproximal.optimization.primal.ProximalGradient to have iteration-dependent epsg
Switched from lsqr to cg in pyproximal.projection.AffineSetProj

Released on: 10/11/2023

Added pyproximal.proximal.RelaxedMumfordShah operator
Added cuda version to the proximal operator of pyproximal.proximal.Simplex
Added bilinear update to pyproximal.optimization.primal.ProximalGradient
Modified pyproximal.optimization.pnp.PlugAndPlay function signature to allow using any proximal solver of choice
Fixed print in pyproximal.optimization.primaldual.PrimalDual when using cupy arrays
Fixed pyproximal.utils.bilinear.LowRankFactorizedMatrix when n=m

Released on: 18/03/2023

🚦 🚦 This is the first release supporting PyLops v2. 🚦 🚦

Added grad method to pyproximal.utils.bilinear.LowRankFactorizedMatrix operator
Allow passing optional arguments to solvers in pyproximal.proximal.L2
Modified codebase to integrate with pylops’s cupy backend.
Modified codebase to integrate with pylops v2.

Released on: 20/08/2022

🚦 🚦 This is the latest release supporting PyLops v1. 🚦 🚦

Added pyproximal.proximal.Log1 operator
Allow radius parameter of pyproximal.proximal.L0 to be a function
Allow tau parameter of pyproximal.optimization.primal.HQS to be a vector and change over iterations
Added z0 to pyproximal.optimization.primal.HQS
Added factorize option to densesolver of pyproximal.proximal.L2

Released on: 05/06/2022

Added pyproximal.optimization.primal.ADMML2, pyproximal.optimization.primal.HQS, and pyproximal.optimization.pnp.PlugAndPlay solvers
Added pyproximal.proximal.ETP, pyproximal.proximal.Geman, pyproximal.proximal.L0, pyproximal.proximal.Log, pyproximal.proximal.QuadraticEnvelopeCard, pyproximal.proximal.SCAD operators.
Allow tau parameter of proximal operators to be a vector to handle problems with multiple right-hand sides.

Released on: 23/03/2022

Released on: 11/12/2021

Added pyproximal.proximal.L0Ball, pyproximal.proximal.L1Ball, pyproximal.proximal.L21_plus_L1, pyproximal.proximal.Nuclear, pyproximal.proximal.NuclearBall, and pyproximal.proximal.Nonlinear operators
Added pyproximal.proximal.Nuclear, and pyproximal.proximal.NuclearBall operators
Added pyproximal.optimization.primal.TwIST solver
Added acceleration in pyproximal.optimization.primal.AcceleratedProximalGradient solver
Added classes standard deviation in pyproximal.optimization.segmentation.Segment solver
Added chain method pyproximal.ProxOperator
Fix pyproximal.proximal.Orthogonal by introducing alpha in the proximal evaluation

Released on: 24/04/2021

Released on: 17/01/2021