petsc-3.7.1 2016-05-15
SNESLineSearchSetLambda
Sets the linesearch steplength.
Synopsis
#include "petscsnes.h"
PetscErrorCode SNESLineSearchSetLambda(SNESLineSearch linesearch, PetscReal lambda)
Input Parameters
| linesearch | - linesearch context Many br |
| lambda | - The last steplength. Many br |
Notes
This routine is typically used within implementations of SNESLineSearchApply() Many brto set the final steplength. This routine (and SNESLineSearchGetLambda()) were Many bradded in order to facilitate Quasi-Newton methods that use the previous steplength Many bras an inner scaling parameter. Many br
Many br
See Also
SNESLineSearchGetLambda()
Level:advanced
Location:src/snes/linesearch/interface/linesearch.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages