[petsc-users] question about SNESLINESEARCHBT

[Barry Smith]

  SNESGetLineSearch() then things like SNESLineSearchSetTolerances() SNESLineSearchSetLambda(), SNESLineSearchSetOrder()

  Barry

> On Jan 8, 2016, at 2:28 PM, Michael Povolotskyi <mpovolot at purdue.edu> wrote:
> 
> Dear Petsc developers and users,
> I solve nonlinear systems with Newton Broyden method with Petsc.
> I use line search algorithm of type SNESLINESEARCHBT.
> Usually it works, but sometimes diverges. I want to change its parameters that are listed in
> http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/SNES/SNESLINESEARCHBT.html#SNESLINESEARCHBT
> 
> Is there any way to set them in the code rather then from the command line?
> Thank you,
> Michael.
> 
> -- 
> Michael Povolotskyi, PhD
> Research Assistant Professor
> Network for Computational Nanotechnology
> Hall for Discover and Learning Research, Room 441
> West Lafayette, IN 47907
> Phone (765) 4949396
>