petsc-3.14.6 2021-03-30
KSPLSQRMonitorDefault
Print the residual norm at each iteration of the LSQR method, norm of the residual of the normal equations A'*A x = A' b, and estimate of matrix norm ||A||.
Synopsis
#include "petscksp.h"
PetscErrorCode KSPLSQRMonitorDefault(KSP ksp,PetscInt n,PetscReal rnorm,PetscViewerAndFormat *dummy)
Collective on ksp
Input Parameters
| ksp | - iterative context
|
| n | - iteration number
|
| rnorm | - 2-norm (preconditioned) residual value (may be estimated).
|
| dummy | - viewer and format context
|
See Also
KSPLSQR, KSPMonitorSet(), KSPMonitorTrueResidualNorm(), KSPMonitorLGResidualNormCreate(), KSPMonitorDefault()
Level
intermediate
Location
src/ksp/ksp/impls/lsqr/lsqr.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages