KSPChebychevSetEigenvalues

 Sets estimates for the extreme eigenvalues of the preconditioned problem.

Synopsis

#include "petscksp.h" 
PetscErrorCode PETSCKSP_DLLEXPORT KSPChebychevSetEigenvalues(KSP ksp,PetscReal emax,PetscReal emin)
Collective on KSP

Input Parameters

ksp - the Krylov space context
emax, emin - the eigenvalue estimates

Options Database

-ksp_chebychev_eigenvalues emin,emax -

Keywords

KSP, Chebyshev, set, eigenvalues

Level:intermediate
Location:src/ksp/ksp/impls/cheby/cheby.c
Index of all KSP routines
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Index of all manual pages