#include "petscksp.h" PetscErrorCode KSPQCGSetTrustRegionRadius(KSP ksp,PetscReal delta)Logically Collective on ksp
| ksp | - the iterative context | |
| delta | - the trust region radius (Infinity is the default) |
| -ksp_qcg_trustregionradius <delta> | - trust region radius |