petsc-3.10.5 2019-03-28

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PCGalerkinSetRestriction

Sets the restriction operator for the "Galerkin-type" preconditioner

Synopsis

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

Logically Collective on PC

Input Parameter

	pc	- the preconditioner context
	R	- the restriction operator

Notes

Either this or PCGalerkinSetInterpolation() or both must be called

Keywords

PC, set, Galerkin preconditioner

See Also

PCCreate(), PCSetType(), PCType (for list of available types), 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
Table of Contents for all manual pages
Index of all manual pages