petsc-3.13.6 2020-09-29
KSPGMRESMonitorKrylov
Calls VecView() for each new direction in the GMRES accumulated Krylov space.
Synopsis
#include "petscksp.h"
PetscErrorCode KSPGMRESMonitorKrylov(KSP ksp,PetscInt its,PetscReal fgnorm,void *dummy)
Collective on ksp
Input Parameters
| ksp | - the KSP context
|
| its | - iteration number
|
| fgnorm | - 2-norm of residual (or gradient)
|
| dummy | - an collection of viewers created with KSPViewerCreate()
|
Options Database Keys
-ksp_gmres_kyrlov_monitor -
Notes:
A new PETSCVIEWERDRAW is created for each Krylov vector so they can all be simultaneously viewed
See Also
KSPMonitorSet(), KSPMonitorDefault(), VecView(), KSPViewersCreate(), KSPViewersDestroy()
Level
intermediate
Location
src/ksp/ksp/impls/gmres/gmres.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages