petsc-3.10.5 2019-03-28
SNESMonitorRatio
Monitors progress of the SNES solvers by printing the ratio of residual norm at each iteration to the previous.
Synopsis
#include "petsc/private/snesimpl.h"
PetscErrorCode SNESMonitorRatio(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 (or gradient)
|
| dummy | - context of monitor
|
Notes
Insure that SNESMonitorRatio() is called when you set this monitor
Keywords
SNES, nonlinear, monitor, norm
See Also
SNESMonitorSet(), SNESMonitorSolution(), SNESMonitorRatio()
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