[Coin-discuss] Open-source Modeling Languages

[Ted Ralphs]

Michael Hennebry wrote:
> On Tue, 20 Nov 2007, Brian Borchers wrote:
> 
>> First, although many normal users produce models using a modeling
>> language like AMPL, many other other users produce their problem
>> instances using conventional programming languages like C.
> 
> Yup.  Some of us write programs that do things like this:
> read data
> generate problem
> while(1) {
>     solve problem
>     if done break
>     use solve output to edit problem
> }
> print result
> 
> The edit problem part can be hard with modeling language.

I should add, however, that there have already been discussions about 
adding the concepts of problems modifications and warm starting 
information to the OS framework, which will make the edit and resolve 
part more efficient.

Cheers,

Ted
-- 
Dr. Ted Ralphs
Associate Professor
Industrial and Systems Engineering
Lehigh University
(610)758-4784
ted at lehigh dot edu
www.lehigh.edu/~tkr2