petsc-3.13.6 2020-09-29
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