petsc-master 2020-11-24
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PCGAMGSetEigenvalues

Set eigenvalues

Synopsis

#include "petscpc.h" 
#include "petscksp.h" 
PetscErrorCode PCGAMGSetEigenvalues(PC pc, PetscReal emax,PetscReal emin)
Collective on PC

Input Parameters

pc - the preconditioner context
emax - max eigenvalue
emin - min eigenvalue

Options Database Key

-pc_gamg_eigenvalues

See Also

PCGAMGSetEstEigKSPMaxIt(), PCGAMGSetUseSAEstEig(), PCGAMGSetEstEigKSPType()

Level

intermediate

Location

src/ksp/pc/impls/gamg/gamg.c

Implementations

PCGAMGSetEigenvalues_GAMG in src/ksp/pc/impls/gamg/gamg.c

Index of all PC routines
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Index of all manual pages