petsc-master 2014-10-21
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PCFieldSplitGetSchurBlocks

Gets all matrix blocks for the Schur complement

Synopsis

#include "petscpc.h" 
PetscErrorCode  PCFieldSplitGetSchurBlocks(PC pc,Mat *A00,Mat *A01,Mat *A10, Mat *A11)
Collective on KSP

Input Parameter

pc -the preconditioner context

Output Parameters

A00 - the (0,0) block
A01 - the (0,1) block
A10 - the (1,0) block
A11 - the (1,1) block

See Also

PCFIELDSPLIT

Level:advanced
Location:
src/ksp/pc/impls/fieldsplit/fieldsplit.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages