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

Index of all KSP routines
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Index of all manual pages