Mario Ruthmair
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Recent activity by Mario Ruthmair-
Ignored lazy constraint leads to wrong solution
OngoingHi, I am working on a branch-and-cut algorithm in C++ using both lazy constraints and user cuts. For one particular model, an incumbent solution is accepted although a violated lazy constraint is a...
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same LP solution multiple times in root node, user cuts ignored
Dear support team, I am working on a branch-and-cut algorithm using the C++ interface of Gurobi to add user cuts via callbacks. While I know that Gurobi heuristically decides which user cuts to acc...