Operations Research Stack Exchange is a question and answer site for operations research and analytics professionals, educators, and students. It only takes a minute to sign up.

Sign up to join this community
Anybody can ask a question
Anybody can answer
The best answers are voted up and rise to the top

Explore our questions

0 votes
2 answers
138 views

Gurobi spend more time in presolve in small model without removing anything

0 votes
0 answers
92 views

Help with implementing an LP

2 votes
1 answer
257 views

Ways to improve lower bounds while solving MIPs

0 votes
2 answers
83 views

How to design a constraint to control flow in a non-network optimization model

3 votes
1 answer
3k views

How to find out which constraint causes problems in Pyomo

1 vote
1 answer
119 views

What is NoRel heuristic in GUROBI?

1 vote
1 answer
63 views

Partially modify LHS of a constraint set?

4 votes
1 answer
74 views

How to identify constraints that are good candidates for being lazy constraints?

0 votes
0 answers
57 views

Pyomo + Gurobi Scheduling Tasks within Working Hours

2 votes
1 answer
224 views

Gurobipy MILP model comes infeasible yet can't compute IIS because "the model is feasible"

0 votes
0 answers
95 views

Troubleshooting Gurobi Import Errors in Jupyter Notebook on Compute Canada HPC server

9 votes
3 answers
305 views

Objective Integrality Cuts

2 votes
1 answer
136 views

Non-proprietary (Python friendly) alternatives to Cplex and Gurobi

0 votes
1 answer
54 views

Question about IIS output in Pyomo, Gurobipy

Browse more Questions