How optimization algorithms work & improving their performance

Gurobi uses much less memory than I expected Answered
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Lagrangian Relaxation Answered
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column generation dual variables Answered
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solver takes ages to close GAP Answered
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Dual values for maximization problem with and without variable upper bound Answered
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Callback cut count and cut count in the MIP log are not equal Answered
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Bug with "presolve" Answered
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Unable to find sub-optimal solution Answered
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About the MIPgap Answered
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About the Cholesky decomposition in the barrier method Answered
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Criteria for Barrier method early termination Answered
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Adding lazy cuts using callback in LP Answered
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Callback for customized branching Answered
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Is non-integer part of a MIP solution an extreme point? Answered
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Linearizing non-linear constraint Answered
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Is there any method to reduce cpu time in callback function ? Answered
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MIP problem - Bounds improves slowly Answered
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QP solver works in an unstable way. Answered
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Cutoff and optimal solution Answered
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How to determine the speed bottleneck of my Model? Answered
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Unexpected identical solutions in solutions pool Answered
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ObjBoundC not available Answered
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Is it possible to use different time limits for each hierarchy when using lexicographic optimization?. Answered
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What's the specific algorithm of barrier used in gurobi? Answered
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Constant Variable Answered
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What happens during "Total elapsed time"? Answered
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AMPL GURUBI bestbound Answered
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Is Parallel exploration of tree for MIP concurrent with callback execution? Answered
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