petsc-3.9.4 2018-09-11
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
Keywords
SNES, nonlinear, vector, monitor, view
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