petsc-master 2015-08-28
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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