Mathematical questions around optimization model formulations

Root relaxation single thread Ongoing
1 vote 4 comments
Optimal solution seems to ignore constraints Ongoing
1 vote 9 comments
Verification without DStart Ongoing
1 vote 2 comments
What is the difference between minrelax = False and minrelax = True in feasRelax? Ongoing
1 vote 2 comments
IndexError: too many indices for array Ongoing
1 vote 1 comment
Creating model takes too much time Ongoing
1 vote 1 comment
Modeling overlap constraint. Ongoing
0 votes 9 comments
Define a matrix as a variable and write it in constraint Ongoing
0 votes 6 comments
Is there a preference to use Convex-hull reformulation instead of the BigM constraints? Ongoing
0 votes 11 comments
Making constraints non-binding Ongoing
0 votes 2 comments
Reformulations of a very slow problem involving absolute values Ongoing
0 votes 2 comments
I add constraint with '>=' but in the model it is <= 0 Ongoing
0 votes 3 comments
MIP in Python seems frozen Ongoing
0 votes 2 comments
initialization Ongoing
0 votes 3 comments
Infeasible scheduling problem Ongoing
0 votes 1 comment
GRB.MAXIMISE identifies lower objective function values than GRB.MINIMIZE. How can this be avoided? Ongoing
0 votes 2 comments
Having problems modelling non-linear constraints in Gurobi Ongoing
0 votes 3 comments
Formulating Sharpe Ratio Objective Function in Gurobi Ongoing
0 votes 12 comments
How do i model nested conditional constraints in Gurobi? Ongoing
0 votes 2 comments
Is best bound estimation always accurate as it is changing over time? Ongoing
0 votes 4 comments
Indicator day of week Ongoing
0 votes 2 comments
Deal with quadratic constraints Ongoing
0 votes 2 comments
Gurobi- Free Variable Ongoing
0 votes 3 comments
Help with implementing an LP Ongoing
0 votes 6 comments
Quicksum in constraint leads to too many nonzeros Ongoing
0 votes 2 comments
GRB update environment Ongoing
0 votes 3 comments
Lower memory usage for MILP problem (SCHEDULING) Ongoing
0 votes 2 comments
Is optimality guaranteed when using the Partition heuristic Ongoing
0 votes 5 comments