petsc-master 2019-07-21
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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

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