petsc-3.3-p7 2013-05-11
MatSchurComplementGetKSP
Creates gets the KSP object that is used in the Schur complement matrix
Synopsis
#include "petscmat.h"
#include "petscksp.h"
PetscErrorCode MatSchurComplementGetKSP(Mat A,KSP *ksp)
Not Collective
Input Parameter
A -matrix created with MatCreateSchurComplement()
Output Parameter
ksp -the linear solver object
Options Database
-fieldsplit_0_XXX sets KSP and PC options for the A block solver inside the Schur complement -
Notes
See Also
MatCreateNormal(), MatMult(), MatCreate(), MatSchurComplementGetKSP(), MatCreateSchurComplement()
Level:intermediate
Location:src/ksp/ksp/utils/schurm.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages