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#
KSP: Linear System Solvers, PCHPDDM, PCDeflationSetSpace(), PCMGSetRestriction()
Level#
advanced
Location#
Implementations#
PCHPDDMSetDeflationMat_HPDDM() in src/ksp/pc/impls/hpddm/pchpddm.cxx
Index of all PC routines
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