[Cbc] Incumbent solution

Stefan Vigerske stefan at math.hu-berlin.de
Mon Jul 14 09:53:21 EDT 2008


Hi,

> There are two functions by that name. One of them requires "CBC_Message how" as 
> a first parameter. Do you know which one should be used?

It's the other one. I call it as
model.setBestSolution(point, ncols, objval, true);
where point is a double array of values, ncols is the number of columns, 
and objval is the value of the objective function in this point.

> I actually tried to use them in the following manner:
> 
> OsiCbcSolverInterface test;
> //....
> test.getModelPtr()->setBestSolution(...);
> 
> with very strange outcomes.

What are strange outcomes?

> Would setBestObjectiveValue() achieve similar effects in terms of B&B node 
> pruning behavior?

I would think so.

Stefan

-- 
Stefan Vigerske
Humboldt University Berlin, Numerical Mathematics
http://www.math.hu-berlin.de/~stefan


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