PETSc version 3.15.4
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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>
Level
advanced
Location
src/ksp/ksp/impls/qcg/qcg.c
Implementations
KSPQCGSetTrustRegionRadius_QCG in src/ksp/ksp/impls/qcg/qcg.c
Index of all KSP routines
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Index of all manual pages