How optimization algorithms work & improving their performance

column generation dual variables Ongoing
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numeric issue Awaiting user input
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Long Time Spend in Model Construction Answered
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Gurobi: Built-in Function for Bender's Decomposition? Answered
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Ignored lazy constraint leads to wrong solution cont. Awaiting user input
1 vote 2 comments
Dual simplex VS Barrier for Bender's feasibility cuts Awaiting user input
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Column generation: how to add new variables Awaiting user input
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Using ConcurrentMIP Answered
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MIP starts and multi-scenario Answered
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Gurobi call function with Pandapower Answered
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Facility layout problem 28 units Answered
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Lower bound of non-convex problem not improving Answered
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How to accurately calculate reduced cost when generating one column in column generation? Answered
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How to ensure consistent values of .PI when the dual problem has multiple optimal solutions? Ongoing
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Benders Cuts in Branch and Bound Tree Answered
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Assistance with GRB.Callback.MIPNODE for Branch and Cut in Generalized Benders Decomposition Answered
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Gurobi states problem is infeasible when solution certainly exists Answered
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What algoritms does gurobi use and is there documentation? Open
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Hierarchical Optimization Tolerance Issue Answered
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Gurobi get dual problem Awaiting user input
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Do LP dual variables exactly match shadow prices?
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Inquiry Regarding Gurobi's Recent Improvements in Network Simplex Algorithm Ongoing
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Integrating OR operator without losing linearity Answered
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An empty callback function makes the solver unable to find any feasible solution Awaiting user input
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Does Gurobi have an optimization mechanism for updated coefficients? Answered
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Speed up gurobi to solve an milp Answered
1 vote 14 comments
Branch and price example Answered
1 vote 13 comments
Column Generation Answered
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Controlling cut generation in the root node setting the CutPasses parameter Answered
0 votes 4 comments