petsc-3.7.7 2017-09-25
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KSPQCGSetTrustRegionRadius

 Sets the radius of the trust region.

Synopsis

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

Input Parameters

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

Options Database Key

-ksp_qcg_trustregionradius <delta> -

Keywords

KSP, QCG, set, trust region radius

Level:advanced
Location:src/ksp/ksp/impls/qcg/qcg.c
Index of all KSP routines
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Index of all manual pages