[Symphony] get several bicriteria solutions

Menal Guzelsoy megb at lehigh.edu
Thu Mar 5 11:09:14 EST 2009


On Thu, Mar 5, 2009 at 3:41 AM, <ycollet at freesurf.fr> wrote:

> Hello,
>
> It should be nice if it was possible to redirect the messages printed in
> the console by Symphony.
> I am currently working on an interface between Symphony and Scilab
> (http://www.scilab.org) and I would like to redirect the messages to the
> scilab console.
>
> YC
>

Could you file a ticket for this?

On Thu, Mar 5, 2009 at 3:44 AM, <ycollet at freesurf.fr> wrote:

> Hello,
>
> I am (still) working on an interface between Symphony and Scilab.
> Some resolution can be a little bit long and adding a callback to allow the
> user to interrupt nicely the computation can be a good thing.
> For example: under scilab, a ctrl+c is catched via a boolean variable and
> with a symphony callback, this value will interrupt the search.
>
> YC


SYMPHONY already has its own signal handling subroutines. You can query the
return value of sym_solve() to see if the solution procedure has been
interrupted.

On Thu, Mar 5, 2009 at 3:47 AM, <ycollet at freesurf.fr> wrote:

> Hello,
>
> I think there is a problem with make install: the sym_constants.h file is
> not installed. When you use the Symphony C interface, you use a lot all the
> #define defined in sym_constants.h.
>
> YC



This is on our todo list. Though most of the defs in sym_constants.h are for
internal usage, there are some for parameter settings to be carried to
symphony header file.

On Thu, Mar 5, 2009 at 4:12 AM, <ycollet at freesurf.fr> wrote:

> Hello,
>
> I am using the C interface of symphony.
> My question is: how do I get all the supported solutions of a bicriteria
> solution using the C interface of symphony ?
>
> I know that I must use sym_mc_solve to solve a bicriteria problem, but the
> function sym_get_col_solution returns only 1 solution ...
>
> YC
>

The solutions are not kept in the environment. So, you can't access those
solutions through the interface right now. Could you submit another ticket
for this one?

Menal.


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>



-- 
Menal Guzelsoy
Ph.D. Candidate
Industrial and Systems Engineering Dept.
Lehigh University
1610 4620455
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