KSPLSQRMonitorResidualDrawLG#
Plots the true residual norm at each iteration of an iterative solver for the KSPLSQR solver
Synopsis#
#include "petscksp.h"
PetscErrorCode KSPLSQRMonitorResidualDrawLG(KSP ksp, PetscInt n, PetscReal rnorm, PetscViewerAndFormat *vf)
Collective
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_lsqr_monitor draw::draw_lg - Activates
KSPMonitorTrueResidualDrawLG()
See Also#
KSP: Linear System Solvers, KSPLSQR, KSPMonitorSet(), KSPMonitorTrueResidual(), KSPLSQRMonitorResidual(), KSPLSQRMonitorResidualDrawLGCreate()
Level#
intermediate
Location#
Implementations#
KSPLSQRMonitorResidualDrawLG_LSQR() in src/ksp/ksp/impls/lsqr/lsqr.c
Index of all KSP routines
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Index of all manual pages