BehZad,
All the source code for the trust region method can be found in
src/snes/impls/tr You can find the details there.
Barry
> BehZad
On Dec 12, 2011, at 2:49 AM, behzad baghapour wrote:
> Dear developers,
>
> In Petsc user manual, it was mentioned that Trust-Region Method is working
> upon MINPACK routines. I need to know more details of the procedure like:
>
> 1- How to update the TR bound?
> 2- How solving the minimization subproblem?
> 3- How to calculate the search direction? Is the "dogleg" direction is used?
>
> Thanks a lot,
> BehZad
