petsc-3.14.6 2021-03-30
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MatGetNullSpace

retrieves the null space of a matrix.

Synopsis

#include "petscmat.h" 
PetscErrorCode MatGetNullSpace(Mat mat, MatNullSpace *nullsp)
Logically Collective on Mat

Input Parameters

mat - the matrix
nullsp - the null space object

See Also

MatCreate(), MatNullSpaceCreate(), MatSetNearNullSpace(), MatSetNullSpace()

Level

developer

Location

src/mat/interface/matrix.c

Examples

src/ksp/ksp/tutorials/ex73.c.html

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