MatGetNullSpaces#
gets the null spaces, transpose null spaces, and near null spaces from an array of matrices
Synopsis#
#include "petscmat.h" 
PetscErrorCode MatGetNullSpaces(PetscInt n, Mat mat[], MatNullSpace *nullsp[])
Logically Collective
Input Parameters#
- n - the number of matrices 
- mat - the array of matrices 
Output Parameters#
- nullsp - an array of null spaces, - NULLfor each matrix that does not have a null space, length 3 *- n
Note#
Call MatRestoreNullspaces() to provide these to another array of matrices
See Also#
Matrices, Mat, MatCreate(), MatNullSpaceCreate(), MatSetNearNullSpace(), MatGetNullSpace(), MatSetTransposeNullSpace(), MatGetTransposeNullSpace(),
MatNullSpaceRemove(), MatRestoreNullSpaces()
Level#
developer
Location#
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages