petsc-master 2019-09-15
Report Typos and Errors

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