petsc-3.6.2 2015-10-02
   
KSPMonitorTrueResidualNorm
Prints the true residual norm as well as the preconditioned residual norm at each iteration of an iterative solver. 
Synopsis
#include "petscksp.h" 
PetscErrorCode  KSPMonitorTrueResidualNorm(KSP ksp,PetscInt n,PetscReal rnorm,void *dummy)
Collective on KSP
Input Parameters
|  | ksp | - iterative context | 
|  | n | - iteration number | 
|  | rnorm | - 2-norm (preconditioned) residual value (may be estimated). | 
|  | dummy | - unused monitor context | 
Options Database Key
-ksp_monitor_true_residual  -Activates KSPMonitorTrueResidualNorm()
Notes
When using right preconditioning, these values are equivalent.
Keywords
 KSP, default, monitor, residual
See Also
 KSPMonitorSet(), KSPMonitorDefault(), KSPMonitorLGResidualNormCreate(),KSPMonitorTrueResidualMaxNorm()
Level:intermediate
Location:src/ksp/ksp/interface/iterativ.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages