PCCholeskySetDamping

 Adds this quantity to the diagonal of the matrix during the Cholesky numerical factorization.

Synopsis

#include "petscpc.h" 
int PCCholeskySetDamping(PC pc,PetscReal damping)
Collective on PC

Input Parameters

pc - the preconditioner context
damping - amount of damping

Options Database Key

-pc_cholesky_damping <damping> -Sets damping amount

Keywords

PC, set, factorization, direct, fill

See Also

PCICholeskySetFill(), PCILUSetDamp()

Level:intermediate
Location:src/sles/pc/impls/cholesky/cholesky.c
Index of all PC routines
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