petsc-3.14.6 2021-03-30
KSPGetResidualNorm
Gets the last (approximate preconditioned) residual norm that has been computed.
Synopsis
#include "petscksp.h"
PetscErrorCode KSPGetResidualNorm(KSP ksp,PetscReal *rnorm)
Not Collective
Input Parameters
| ksp | - the iterative context
|
Output Parameters
See Also
KSPBuildResidual()
Level
intermediate
Location
src/ksp/ksp/interface/iterativ.c
Examples
src/ksp/ksp/tutorials/ex10.c.html
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages