How optimization algorithms work & improving their performance

Cannot solve MILP with Barrier method + Crossover Answered
0 votes 1 comment
Why the extreme ray Groubi retrieved is 0? Answered
0 votes 3 comments
NoRel heuristics: is this adding valid inequalities? Answered
0 votes 1 comment
Barrier Method Sub-Optimal Termination Answered
0 votes 1 comment
Getting "DUAL_INFEASIBLE" when solving a very simple linear programming problem. Answered
0 votes 1 comment
How to use the network simplex algorithm in Gurobi? Answered
0 votes 1 comment
Wrong algo of dual simplex Answered
0 votes 3 comments
How does MIPFocus really work? Answered
1 vote 1 comment
Optimality and Suboptimality in Quadratic Programs Answered
0 votes 3 comments
MILP worst-case Complexity order Answered
0 votes 3 comments
Gurobi uses much less memory than I expected Answered
0 votes 4 comments
Running time is longer when the problem size is decreased Answered
0 votes 1 comment
LP with only equality constraints Answered
0 votes 2 comments
Parameter - PreSparsify Answered
0 votes 1 comment
Non-convex QCPQ capability compared to SCIP Answered
0 votes 1 comment
Limit solutions for an LP Answered
0 votes 8 comments
Non-optimal solutions when solving an aTSP with Gurobi Answered
0 votes 1 comment
Relaxations executed by gurobi Answered
0 votes 1 comment
how to count a specific number in the Var list Answered
0 votes 1 comment
Same nodes but different solution time (VRP Time Windows) Answered
1 vote 3 comments
Interpretation best bound NoRel heuristic Answered
1 vote 1 comment
Control over the number of callbacks in MIPNODE Answered
0 votes 3 comments
Numerical trouble encountered when solving convex QCQP Answered
0 votes 1 comment
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
0 votes 5 comments
Large MIP Model Stops Progressing - Many Equivalent Solutions? Answered
0 votes 3 comments
How can Gurobi be deterministic considering "Performance Variability"? Answered
0 votes 1 comment
Setting IntegralityFocus=1 accelerates solution? Answered
0 votes 1 comment