PCGAMGSetEigenvalues#
Set WHAT eigenvalues WHY?
Synopsis#
#include "petscpc.h" 
#include "petscksp.h" 
PetscErrorCode PCGAMGSetEigenvalues(PC pc, PetscReal emax, PetscReal emin)
Collective
Input Parameters#
- pc - the preconditioner context 
- emax - max eigenvalue 
- emin - min eigenvalue 
Options Database Key#
- -pc_gamg_eigenvalues <emin,emax> - estimates of the eigenvalues 
See Also#
the Users Manual section on PCGAMG, the Users Manual section on PCMG, KSP: Linear System Solvers, PCGAMG, PCGAMGSetUseSAEstEig()
Level#
intermediate
Location#
Implementations#
PCGAMGSetEigenvalues_GAMG() in src/ksp/pc/impls/gamg/gamg.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages