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