[Cbc] [CBC] Solving partially fixed MIP problem iteratively do not converge to best

John Forrest john.forrest at fastercoin.com
Tue Feb 25 10:51:44 EST 2014


Marco,

On 25/02/14 14:22, mg wrote:
>
>
> I suspect that restoring only the column bounds between each 
> intermediate solve is not enough to guarantee that the problem remains 
> equal to the original...
> should I also remove the cuts added during the intermediate steps ?

Any cuts generated will be invalid - but they may be removed anyway.
> Something else ?
Very likely.

I can try and code something to reproduce problem - if you have some 
code you can send me then I would be more likely to get around to 
checking things out.

> Thanks in advance,
> Marco
>
John Forrest

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