petsc-3.14.6 2021-03-30
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MatGetNearNullSpace

 Get null space attached with MatSetNearNullSpace()

Synopsis

#include "petscmat.h" 
PetscErrorCode MatGetNearNullSpace(Mat mat,MatNullSpace *nullsp)
Not Collective

Input Parameter

mat - the matrix

Output Parameter

nullsp - the null space object, NULL if not set

See Also

MatSetNearNullSpace(), MatGetNullSpace(), MatNullSpaceCreate()

Level

developer

Location

src/mat/interface/matrix.c

Examples

src/ksp/ksp/tutorials/ex49.c.html

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