Bruno Colonetti
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Activity overview
Latest activity by Bruno Colonetti-
Bruno Colonetti commented,
Hey, Silke There are also warnings about "Sub-optimal termination", but those may be caused by your extremely tight BarConvTol. What happens when you set this to the default or 1e-9 instead? A: I c...
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Bruno Colonetti commented,
Hey, RileyThanks for the tip! At the end, I chose to follow your advice and it's working just fineThanks!
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Bruno Colonetti created a post,
Curious behaviour in crossover
AnsweredHello, everyone I just want to report what I think is an interesting observation about the crossover phase that I see for one of my models. So, here is the thing. I'm repeatedly solving an LP probl...
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Bruno Colonetti created a post,
Wrapper for Gurobi var?
AnsweredHello, everyone I'm writing a Benders algorithm and there is a programming problem that I just cannot solve. As you know, Benders is an iterative method that goes back and forth between a master pr...
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Bruno Colonetti commented,
I suppose you could do something like this: for 4 variables x_1, x_2, x_3, x_4 and k = 2, create three binary auxiliary variables a_1, a_2, and a_3. a_1 is 1 if x_1 and x_2 are 1, a_2 is 1 x_2 and...
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Bruno Colonetti commented,
Hi, Jaromił That's a great explanation! Thank you. And I'll definitely take a look at that paper. Thanks, Bruno
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Bruno Colonetti created a post,
Gurobi reports a bounded model as unbounded
AnsweredHello, everyone Before showing what I think is a weird output from Gurobi, I’d like thank Gurobi for this amazing tool and, of course, for making it fully available for students. I’m trying to sol...
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Bruno Colonetti created a post,
Formulation of LPs
Hi, everyone I'm currently working on a two-stage program. I use Benders decomposition to decompose my problem into two smaller ones and I further decompose the resulting subproblem in scenarios....