Henrique Becker
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Recent activity by Henrique Becker-
Bug? Model gives infeasible when three parameters are passed, but feasible if any is removed.
AnsweredThe problem is also described here (https://github.com/henriquebecker91/GeneratorG2OPP) and the specific MPS is in the same repository (https://raw.githubusercontent.com/henriquebecker91/GeneratorG...
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Parameter for defining a memory limit (as a stopping criteria, like a time limit)
AnsweredI just want to confirm if it really does not exist a memory limit parameter like CPLEX (tree memory limit) that makes the optimizer stop with special status when reached (akin defining a time limit...
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Which is the index of variables added after variable deletion?
AnsweredConsider I have added three variables and update/solved the model, then I deleted one of them, and added one more variable. Now I want to change an attribute of the last variable added, which is th...
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Solve the relaxation of the MIP and then solve the MIP without re-solving the root node relaxation
AnsweredI have a large MIP model with a very strong LP relaxation. The main strategy for solving such problem in the literature is to solve the LP relaxation (what takes a long time) and then use the LP ob...
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Rejecting MIP Solutions without lazy cuts
AnsweredHi, I am working in a framework similar to benders decomposition. I use lazy cuts and callbacks for cutting new integer solutions that are not feasible considering a subproblem. Such lazy cuts just...