PCGetOperators

 Gets the matrix associated with the linear system and possibly a different one associated with the preconditioner.

Synopsis

#include "petscsles.h" 
int PCGetOperators(PC pc,Mat *mat,Mat *pmat,MatStructure *flag)
Not collective, though parallel Mats are returned if the PC is parallel

Input Parameter

pc -the preconditioner context

Output Parameters

mat - the matrix associated with the linear system
pmat - matrix associated with the preconditioner, usually the same as mat.
flag - flag indicating information about the preconditioner matrix structure. See PCSetOperators() for details.

Keywords

PC, get, operators, matrix, linear system

See Also

PCSetOperators()

Level:intermediate
Location:src/sles/pc/interface/precon.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages