petsc-3.9.4 2018-09-11
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
Keywords
KSP, nonlinear, vector, monitor, view, Krylov space
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