PCGalerkinSetRestriction#

Sets the restriction operator for the PCGALERKIN preconditioner

Synopsis#

#include "petscksp.h" 
PetscErrorCode PCGalerkinSetRestriction(PC pc, Mat R)

Logically Collective

Input Parameters#

  • pc - the preconditioner context

  • R - the restriction operator

Note#

Either this or PCGalerkinSetInterpolation() or both must be called

See Also#

KSP: Linear System Solvers, PC, PCCreate(), PCSetType(), PCType, PCGALERKIN, PCGalerkinSetInterpolation(), PCGalerkinGetKSP()

Level#

intermediate

Location#

src/ksp/pc/impls/galerkin/galerkin.c

Implementations#

PCGalerkinSetRestriction_Galerkin() in src/ksp/pc/impls/galerkin/galerkin.c


Index of all PC routines
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Index of all manual pages