MatSetTransposeNullSpace#
attaches the null space of a transpose of a matrix to the matrix
Synopsis#
#include "petscmat.h" 
PetscErrorCode MatSetTransposeNullSpace(Mat mat, MatNullSpace nullsp)
Logically Collective
Input Parameters#
- mat - the matrix 
- nullsp - the null space object 
Notes#
This allows solving singular linear systems defined by the transpose of the matrix using KSP solvers with left preconditioning.
See MatSetNullSpace()
See Also#
Matrices, Mat, MatNullSpace, MatCreate(), MatNullSpaceCreate(), MatSetNearNullSpace(), MatGetNullSpace(), MatSetNullSpace(), MatGetTransposeNullSpace(), MatNullSpaceRemove(), KSPSetPCSide()
Level#
advanced
Location#
Examples#
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages