petsc-3.7.7 2017-09-25
   
MatGetNearNullSpace
et null space attached with MatSetNearNullSpace() 
Synopsis
#include "petscmat.h" 
PetscErrorCode MatGetNearNullSpace(Mat mat,MatNullSpace *nullsp)
Not Collective
Input Parameters
mat  -the matrix
Output Parameters
nullsp  -the null space object, NULL if not set
See Also
 MatSetNearNullSpace(), MatGetNullSpace(), MatNullSpaceCreate()
Level:developer
Location:src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/ksp/ksp/examples/tutorials/ex49.c.html