PCHPDDMSetDeflationMat#

Sets the deflation space used to assemble a coarser operator.

Synopsis#

#include "petscpc.h" 
PetscErrorCode PCHPDDMSetDeflationMat(PC pc, IS is, Mat U)

Input Parameters#

pc - preconditioner context
is - index set of the local deflation matrix
U - deflation sequential matrix stored as a MATSEQDENSE

See Also#

PCHPDDM, PCDeflationSetSpace(), PCMGSetRestriction()

Level#

advanced

Location#

src/ksp/pc/impls/hpddm/pchpddm.cxx

Implementations#

PCHPDDMSetDeflationMat_HPDDM in src/ksp/pc/impls/hpddm/pchpddm.cxx

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