petsc-3.10.2 2018-10-09
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KSPRichardsonSetScale

Set the damping factor; if this routine is not called, the factor defaults to 1.0.

Synopsis

#include "petscksp.h" 
PetscErrorCode  KSPRichardsonSetScale(KSP ksp,PetscReal scale)
Logically Collective on KSP

Input Parameters

ksp - the iterative context
scale - the relaxation factor

Options Database Keys

-ksp_richardson_self <scale> -Set the scale factor

Keywords

KSP, Richardson, set, scale

Level

intermediate

Location

src/ksp/ksp/impls/rich/richscale.c

Implementations

KSPRichardsonSetScale_Richardson in src/ksp/ksp/impls/rich/rich.c

Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages