How optimization algorithms work & improving their performance

Relaxations executed by gurobi Answered
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how to count a specific number in the Var list Answered
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Same nodes but different solution time (VRP Time Windows) Answered
1 vote 3 comments
Interpretation best bound NoRel heuristic Answered
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Control over the number of callbacks in MIPNODE Answered
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Numerical trouble encountered when solving convex QCQP Answered
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How to improve solver solution time in VRP TW Optimization Answered
1 vote 6 comments
MILP takes way too much time Answered
2 votes 2 comments
Complexity reduction makes the algorithm slower Answered
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Large MIP Model Stops Progressing - Many Equivalent Solutions? Answered
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How can Gurobi be deterministic considering "Performance Variability"? Answered
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Setting IntegralityFocus=1 accelerates solution? Answered
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How Gurobi solves a optimisation problem that doesn't have an objective? Answered
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Disable Crossover for MILP that is reduced to LP in Presolve Answered
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Problems very similar to each other requiring much much different amount of time to be solved Answered
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Solution to unbounded problems Answered
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Stop the program while running Answered
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In column generation, including negative reduced cost columns does not improve the LP. Answered
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Quadratic constraints contain large coefficients on linear part. Answered
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Optimizing away dummy binary variables with values determined by other variables? Answered
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Unable to find optimal solution for some instances Answered
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Lagrangian Relaxation Answered
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What algorithm is used for my optimization? Answered
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Difference between nested quicksum and several quicksums Answered
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How was upper bound generated for non-linear, non-convex maximization optimization model? Answered
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IndexError: list index out of range Answered
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Change solution strategy to standard (ImproveStartGap,ImproveStartNodes,ImproveStartTime) Answered
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Skipping non-existing decision variables in for loop Answered
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GurobiError: Invalid argument to LinExpr multiplication Answered
0 votes 6 comments