petsc-master 2014-12-15
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KSPMonitorLGTrueResidualNormCreate

Creates a line graph context for use with KSP to monitor convergence of true residual norms (as opposed to preconditioned residual norms).

Synopsis

#include "petscksp.h"   
PetscErrorCode  KSPMonitorLGTrueResidualNormCreate(MPI_Comm comm,const char host[],const char label[],int x,int y,int m,int n,PetscDrawLG *draw)
Collective on KSP

Input Parameters

host - the X display to open, or null for the local machine
label - the title to put in the title bar
x, y - the screen coordinates of the upper left coordinate of the window
m, n - the screen width and height in pixels

Output Parameter

draw -the drawing context

Options Database Key

-ksp_monitor_lg_true_residualnorm -Sets true line graph monitor

Notes

Use KSPMonitorLGTrueResidualNormDestroy() to destroy this line graph, not PetscDrawLGDestroy().

Keywords

KSP, monitor, line graph, residual, create, true

See Also

KSPMonitorLGResidualNormDestroy(), KSPMonitorSet(), KSPMonitorDefault()

Level:intermediate
Location:
src/ksp/ksp/interface/xmon.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages