[Bonmin] Using initial feasible solutions

Pierre Bonami pierre.bonami at gmail.com
Thu Aug 12 04:48:01 EDT 2010


Hi,
The solution will only be used as a starting for Ipopt to solve NLPs. If you
want to provide a cutoff value, you should use the bonmin.cutoff option.
Best,
Pierre

On Thu, Aug 12, 2010 at 3:43 AM, James Foster <james.foster at uon.edu.au>wrote:

> Hello,
>
> I would like to know how Bonmin uses initial feasible solutions. As
> provided by the AMPL interface, one can pass initial variable values
> to the solver.
>
> Does Bonmin simply use the associated objective value as a cut-off
> value or can it use the feasible point to provide some further
> advantage to the solution process?
>
> I found the post at
> http://list.coin-or.org/pipermail/bonmin/2009-July/000218.html helpful
> but some more information would be great.
>
> Regards,
> James
> University of Newcastle
>
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