PETSc version 3.17.5
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SNESMonitorResidual

 Monitors progress of the SNES solvers by calling VecView() for the residual at each iteration.

Synopsis

#include "petsc/private/snesimpl.h"   
PetscErrorCode  SNESMonitorResidual(SNES snes,PetscInt its,PetscReal fgnorm,PetscViewerAndFormat *vf)
Collective on SNES

Input Parameters

snes - the SNES context
its - iteration number
fgnorm - 2-norm of residual
dummy - a viewer

Options Database Keys

-snes_monitor_residual [ascii binary draw][:filename][:viewer format] - plots residual (not its norm) at each iteration

See Also

SNESMonitorSet(), SNESMonitorDefault(), VecView()

Level

intermediate

Location

src/snes/interface/snesut.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages