PETSc version 3.15.5
KSPMonitorResidual
Print the preconditioned residual norm at each iteration of an iterative solver. 
Synopsis
#include "petscksp.h" 
PetscErrorCode KSPMonitorResidual(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
See Also
 KSPMonitorSet(), KSPMonitorTrueResidual()
Level
intermediate
Location
src/ksp/ksp/interface/iterativ.c
Examples
src/ksp/ksp/tutorials/ex2f.F90.html
src/snes/tutorials/ex12.c.html
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages