petsc-3.3-p7 2013-05-11

MatNullSpaceRemove

Removes all the components of a null space from a vector.

#include "petscmat.h" 
PetscErrorCode  MatNullSpaceRemove(MatNullSpace sp,Vec vec,Vec *out)

Collective on MatNullSpace

	sp	- the null space context
	vec	- the vector from which the null space is to be removed
	out	- if this is requested (not PETSC_NULL) then this is a vector with the null space removed otherwise the removal is done in-place (in vec)

Note: The user is not responsible for the vector returned and should not destroy it.

PC, null space, remove