How optimization algorithms work & improving their performance

Problems adding columns "Only linear constraints allowed" Answered
1 vote 88 comments
How to assign a new variable equal to min of two other variable (Gurobi in Python) Ongoing
0 votes 20 comments
Why is Gurobi returning MIP solution with gap of 0 which is not close to the actual optimal solution? Ongoing
0 votes 17 comments
why don't we have a a good result from this model Answered
0 votes 14 comments
How to make the search over B&B tree faster? Answered
0 votes 14 comments
Speed up gurobi to solve an milp Answered
1 vote 14 comments
different weights for matrix rows (ILP) Answered
0 votes 13 comments
About how to optimize the solver's speed for large optimization. Answered
0 votes 13 comments
Branch and price example Answered
1 vote 13 comments
Out of Memory Problem Answered
0 votes 12 comments
How to solve this MILP-based regression model faster? Answered
0 votes 12 comments
Array or List Answered
0 votes 11 comments
No optimization function Ongoing
0 votes 11 comments
Gurobi very slow at solving MIQP Answered
0 votes 11 comments
How does Gurobi 10.0.0 handle quadratic constraints? Answered
0 votes 10 comments
Failed to find feasible solutions on super-undertermined problems Answered
0 votes 10 comments
Implementation of Benders Decomposition with Callbacks Answered
1 vote 10 comments
Model contains large quadratic objective coefficient range.
2 votes 10 comments
Gurobi stucks even after the time limit Answered
0 votes 9 comments
Problem in optimization of MIP model Answered
0 votes 9 comments
BestBd NaN for MILP and When will BestBd be NaN? Answered
0 votes 9 comments
Varying Ordering Time for similar models Answered
0 votes 9 comments
Gurobi gets stuck Ongoing
1 vote 9 comments
Speeding up Gurobi LP solver Ongoing
1 vote 9 comments
VarHint where MIP Start is not applicable (with pyomo) Answered
0 votes 9 comments
MIPGap and Runtime query before optimization stops Answered
0 votes 9 comments
Not that large MILP model took ages to obtain the optimal results Answered
0 votes 9 comments
Log file does not show the gap Answered
0 votes 8 comments
Fractional Solution in Continuous Relaxation of Convex Quadratic Programming Answered
0 votes 8 comments