petsc-3.11.4 2019-09-28

KSPRichardsonSetScale

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

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

Logically Collective on KSP

	ksp	- the iterative context
	scale	- the relaxation factor

-ksp_richardson_self <scale> -Set the scale factor

KSP, Richardson, set, scale

intermediate