PCDeflationSetProjectionNullSpaceMat#
Set the projection null space matrix (W’*A).
Synopsis#
#include "petscksp.h"
PetscErrorCode PCDeflationSetProjectionNullSpaceMat(PC pc, Mat mat)
Collective
Input Parameters#
pc - preconditioner context
mat - projection null space matrix
See Also#
KSP: Linear System Solvers, PCDEFLATION
, PCDeflationSetSpace()
Level#
developer
Location#
Implementations#
PCDeflationSetProjectionNullSpaceMat_Deflation() in src/ksp/pc/impls/deflation/deflation.c
Index of all PC routines
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Index of all manual pages