MatNullSpaceTest#
Tests if the claimed null space is really a null space of a matrix
Synopsis#
#include "petscmat.h"
PetscErrorCode MatNullSpaceTest(MatNullSpace sp, Mat mat, PetscBool *isNull)
Collective
Input Parameters#
sp - the null space context
mat - the matrix
Output Parameter#
isNull -
PETSC_TRUEif the nullspace is valid for this matrix
See Also#
Matrices, Mat, MatNullSpace, MatNullSpaceCreate(), MatNullSpaceDestroy(), MatNullSpaceSetFunction()
Level#
advanced
Location#
Examples#
src/snes/tutorials/ex63.c
src/ts/tutorials/ex50.c
src/tao/unconstrained/tutorials/burgers_spectral.c
src/tao/unconstrained/tutorials/spectraladjointassimilation.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages