Amine Marref wrote: > Hello, > > I use bb_min/3 in my problem in the following way: > time(bb_min(labeling(Vars), Cost, bb_options{to:60000,from:5000})), > > hoping to constrain the branch-and-bound search between the bounds 5000 > and 60000. > The solution output by Eclipse is: > > Found no solution with cost 5000.0 .. -1439.0 > > I can't explain this -1439, > > Any help? Apparently, -1439 is an upper bound of your cost, i.e. you can't get any cost as bad as 5000. Try running labeling(Vars) without branch-and-bound, and see what Cost solutions you get! Why are you specifying a from-value at all? -- JoachimReceived on Tue Apr 29 2008 - 03:53:12 CEST
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