SNESNewtonTRGetUpdateParameters#
Gets the trust region update parameters.
Synopsis#
#include "petscsnes.h"   
PetscErrorCode SNESNewtonTRGetUpdateParameters(SNES snes, PetscReal *eta1, PetscReal *eta2, PetscReal *eta3, PetscReal *t1, PetscReal *t2)
Not Collective
Input Parameter#
- snes - the - SNEScontext
Output Parameters#
- eta1 - acceptance tolerance 
- eta2 - shrinking tolerance 
- eta3 - enlarging tolerance 
- t1 - shrink factor 
- t2 - enlarge factor 
See Also#
SNES: Nonlinear Solvers, SNES, SNESNEWTONTR, SNESNewtonTRSetUpdateParameters()
Level#
intermediate
Location#
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages