Marilena Zambara
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Activity overview
Latest activity by Marilena Zambara-
Marilena Zambara commented,
I have performed further tests with a Bender's decomposition algorithm with feasibility cuts (thus, with occasions that the slave problems are infeasible) and I have made some observations, the rea...
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Marilena Zambara commented,
Dear Riley, Thank you very much for your answer! Indeed, you are right. With presolve on I can still retrieve the information I need. You are also right in that I can use the concurrent method and ...
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Marilena Zambara created a post,
Dual simplex VS Barrier for Bender's feasibility cuts
Awaiting user inputDear Gurobi, I am implementing Bender's decomposition in a problem, during which I need to construct feasiblity cuts. Feasiblity cuts are constructed in case my bender's slave model is infeasible, ...
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Marilena Zambara commented,
Thank you Dan for your reply, In this case I have a follow-up question related to distributed applications. I solve a number of those LPs in a distributed manner. In my local computer (therefore, t...
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Marilena Zambara created a post,
Deterministic behaviour in different machines
AnsweredI have an LP model with multiple solutions. Is there a way to ensure that if I run the exact same instance of the model in different machines I will get the same result?