petsc-master 2019-10-16
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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

PCDEFLATION

Level

developer

Location

src/ksp/pc/impls/deflation/deflation.c

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