Re: [Help-glpk] linear ordering problem again

[Yingjie Lan]

> I think that the 22-node example is too easy for both glpk
> and the
> b&b code you used. Solving larger instances having
> 40-50 nodes would be
> more interesting. (Playing with lolib I noticed that
> instances with 0-1
> weights are much harder for solving with b&b.)
> 
> FYI: The new version of LOLIB is available at:
> http://heur.uv.es/optsicom/LOLIB/
> 

I agree. I tried other problems and they are very hard.

If I have a really good heuristic solution, how can I take advantage of it with 
GLPK API (for example, how to use that to help with pruning the tree)?

Yingjie