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

Input Parameters

• ksp - the iterative context

• scale - the damping factor

Options Database Key

• -ksp_richardson_scale - Set the scale factor

See Also

KSP: Linear System Solvers, KSPRICHARDSON, KSPRichardsonSetSelfScale()

Level

intermediate

Location

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

Implementations

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

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