#include "petscpc.h" PetscErrorCode PCBDDCSetCoarseningRatio(PC pc,PetscInt k)Logically collective on PC
pc | - the preconditioning context | |
k | - coarsening ratio (H/h at the coarser level) |
-pc_bddc_coarsening_ratio <int> | - Set coarsening ratio used in multilevel coarsening |