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KSPMonitorError

Prints the error norm, as well as the preconditioned residual norm, at each iteration of an iterative solver.

Synopsis

#include "petscksp.h" 
PetscErrorCode KSPMonitorError(KSP ksp, PetscInt n, PetscReal rnorm, PetscViewerAndFormat *vf)
Collective on ksp

Input Parameters

ksp - iterative context
n - iteration number
rnorm - 2-norm (preconditioned) residual value (may be estimated).
vf - The viewer context

Options Database Key

-ksp_monitor_error - Activates KSPMonitorError()

See Also

KSPMonitorSet(), KSPMonitorResidual(),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