#include "petscsnes.h" PetscErrorCode SNESQNSetRestartType(SNES snes, SNESQNRestartType rtype)Logically Collective on SNES
| snes | - the iterative context | |
| rtype | - restart type |
| -snes_qn_restart_type<powell,periodic,none> | - set the restart type | |
| -snes_qn_restart[10] | - sets the number of iterations before restart for periodic |
| SNES_QN_RESTART_NONE | - never restart | |
| SNES_QN_RESTART_POWELL | - restart based upon descent criteria | |
| SNES_QN_RESTART_PERIODIC | - restart after a fixed number of iterations |
Level:intermediate
Location:src/snes/impls/qn/qn.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages