#include "petscksp.h" PetscErrorCode PCDeflationSetReductionFactor(PC pc,PetscInt red)Logically Collective
| pc | - the preconditioner context | |
| red | - reduction factor (or PETSC_DETERMINE) |
| -pc_deflation_reduction_factor <-1> | - reduction factor on bottom level coarse problem for PCTELESCOPE |