[Clp] Setting equality constraints in CLP/OSI

[Ashutosh Mahajan]

you can write the LP formulation to a file and then manually check the model.

si->writeLp("filename");

--
regards
Ashutosh Mahajan
http://coral.ie.lehigh.edu/~asm4

On Sun, Feb 07, 2010 at 10:39:44AM -0800, Paul De La Musica wrote:
> Hi,
> 
>   I am testing out a small problem with known solution by modifying
> build.cpp in the OSI example directory. My modified problem has a couple of
> equality constraints of the form
> 
> xi-xj=L
> 
> which I implemented using the pair
> 
> xi-xj <= L and -xi+xj <= -L
> 
> Somehow, the program keeps telling me that optimized solution cannot be
> found. I reduced the number of equality constraints to one and it worked
> fine.
> 
> Is there an example on how to set equality constraints?
> 
> Anything else I should do besides checking code?
> 
> Paul

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