#include "petscsnes.h" PetscErrorCode SNESNGSSetTolerances(SNES snes,PetscReal abstol,PetscReal rtol,PetscReal stol,PetscInt maxit)Logically Collective on SNES
| snes | - the SNES context | |
| abstol | - absolute convergence tolerance | |
| rtol | - relative convergence tolerance | |
| stol | - convergence tolerance in terms of the norm of the change in the solution between steps, || delta x || < stol*|| x || | |
| maxit | - maximum number of iterations |
| -snes_ngs_atol <abstol> | - Sets abstol | |
| -snes_ngs_rtol <rtol> | - Sets rtol | |
| -snes_ngs_stol <stol> | - Sets stol | |
| -snes_max_it <maxit> | - Sets maxit |