KrySBAS is a free and open-source MATLAB toolbox containing a collection of adaptive solvers based on Krylov subspaces.
The toolbox is developed by the Scientific Computing and Applied Mathematics group at the NIDTEC research center of the Polytechnic Faculty, National University of Asunción, Paraguay.
To install KrySBAS, simply clone this repository and add it to your MATLAB path.
PD-GMRES(m) (Núñez & Schaerer & Bhaya, 2018)
Variant of the restarted GMRES that employs a Proportional-Derivative (PD) controller for the automatic selection of the restart parameter m.
[x, flag, relresvec, mvec, time] = pd_gmres(A, b, mInitial, mMinMax, mStep, tol, maxit, xInitial, alphaPD)If you wish to contribute to KrySBAS, please read the developer guide before opening a pull request.
For future requests and bug reports, please create an issue. In the latter case, we kindly ask you to provide a MWE that reproduces the error.