#include "petscksp.h" PetscErrorCode KSPGetOperators(KSP ksp,Mat *Amat,Mat *Pmat,MatStructure *flag)Collective on KSP and Mat
Amat | - the matrix associated with the linear system | |
Pmat | - the matrix to be used in constructing the preconditioner, usually the same as Amat. | |
flag | - flag indicating information about the preconditioner matrix structure during successive linear solves. This flag is ignored the first time a linear system is solved, and thus is irrelevant when solving just one linear system. |
Notes: DOES NOT increase the reference counts of the matrix, so you should NOT destroy them.
Level:intermediate
Location:src/ksp/ksp/interface/itcreate.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages