Pytorch implementation of preconditioned stochastic gradient descent (Kron and affine preconditioner, low-rank approximation preconditioner and more)

Structured Matrix Package (LBNL)

Linear Operators for Julia

AAAI & CVPR 2016: Preconditioned Stochastic Gradient Langevin Dynamics (pSGLD)

Tensorflow implementation of preconditioned stochastic gradient descent

A Julia implementation of incomplete LU factorization with zero level of fill in.

Design preconditioners with a CNN to accelerate the conjugate gradient method.

A set of useful algebraic preconditioners for iterative numerical linear-algebraic methods.

R package for solving system of linear equations using (preconditioned) conjugate gradient algorithm, with improved efficiency using C++ Armadillo linear algebra library, and flexibility for user-specified preconditioning method.

Hybrid-Incomplete-Factorization preconditioners with Iterative Refinements for KSP solvers.

ITerative SOLvers package

Tutorial material for Trilinos-based preconditioning in 4C

Project that explores parallel preconditioned conjugate gradient method

geneo4PETSc - implementation of the GenEO preconditioner with PETSc and SLEPc.

Direct optimisation of BPX preconditioners

MATLAB/Octave interface for HIFIR (https://github.com/hifirworks/hifir)

Geometric preconditioner for indirect shooting

Test for the Polynomial Smoothers in AMG4PSBLAS

Python interface for HIFIR (https://github.com/hifirproject/hifir)

Multiple MATLAB implementations for 1D and 2D acoustic wave propagation with random parameters.