How optimization algorithms work & improving their performance

How to assign a new variable equal to min of two other variable (Gurobi in Python) Ongoing
0 votes 20 comments
How to make the search over B&B tree faster? Answered
0 votes 13 comments
Speed up gurobi to solve an milp Answered
1 vote 13 comments
Branch and price example Answered
1 vote 12 comments
Why is Gurobi returning MIP solution with gap of 0 which is not close to the actual optimal solution? Ongoing
0 votes 11 comments
How to solve this MILP-based regression model faster? Answered
0 votes 11 comments
Array or List Answered
0 votes 10 comments
No optimization function Ongoing
0 votes 10 comments
Gurobi very slow at solving MIQP Answered
0 votes 10 comments
Implementation of Benders Decomposition with Callbacks Answered
1 vote 9 comments
Model contains large quadratic objective coefficient range.
2 votes 9 comments
Limit solutions for an LP Answered
0 votes 8 comments
Unable to find optimal solution for some instances Answered
0 votes 8 comments
Speeding up Gurobi LP solver Ongoing
1 vote 8 comments
VarHint where MIP Start is not applicable (with pyomo) Answered
0 votes 8 comments
MIPGap and Runtime query before optimization stops Answered
0 votes 8 comments
Not that large MILP model took ages to obtain the optimal results Answered
0 votes 8 comments
Disable Crossover for MILP that is reduced to LP in Presolve Answered
0 votes 7 comments
Setting Threads parameter does not work as expected Awaiting user input
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Optimal solution found early but long time to close gap Answered
0 votes 7 comments
L1 minimization Answered
0 votes 7 comments
Bug report: Different settings of MIPFocus result in different number of solutions Answered
0 votes 7 comments
Gurobi stopping criteria
0 votes 7 comments
Providing integer start solution drastically increases root relaxation computation time Answered
1 vote 7 comments
Distributed MIP logging & ramp-up question
3 votes 7 comments
How to improve solver solution time in VRP TW Optimization Answered
1 vote 6 comments
Difference between nested quicksum and several quicksums Ongoing
0 votes 6 comments
GurobiError: Invalid argument to LinExpr multiplication Answered
0 votes 6 comments
Interpreting the log file for the branch-and-cut tree search Answered
0 votes 6 comments
How does NodeMethod work? Answered
0 votes 6 comments