petsc-3.14.6 2021-03-30

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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

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
Table of Contents for all manual pages
Index of all manual pages