petsc-3.12.5 2020-03-29

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KSPCGSetRadius

Sets the radius of the trust region.

Synopsis

#include "petscksp.h" 
PetscErrorCode  KSPCGSetRadius(KSP ksp, PetscReal radius)

Logically Collective on ksp

Input Parameters

	ksp	- the iterative context
	radius	- the trust region radius (Infinity is the default)

See Also

KSP, KSPCG, KSPNASH, KSPSTCG, KSPGLTR

Level

advanced

Location

src/ksp/ksp/impls/cg/cgtype.c

Implementations

KSPCGSetRadius_GLTR in src/ksp/ksp/impls/cg/gltr/gltr.c
KSPCGSetRadius_NASH in src/ksp/ksp/impls/cg/nash/nash.c
KSPCGSetRadius_STCG in src/ksp/ksp/impls/cg/stcg/stcg.c

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