Modeling

Branch-n-price implementation complications

• Carl Baier
• January 20, 2025 10:13
• Edited

0 votes 0 comments

Adding the callback function Answered

• A.Omidi
• January 20, 2025 08:35
• Edited

0 votes 7 comments

Convert values of gurobi.LineExpr to integers Answered

• Huib Meulenbelt
• January 13, 2025 13:42
• Edited

0 votes 3 comments

How to control MIP using callbacks in multi-objective optimization Answered

• minsu kim
• January 06, 2025 04:16

0 votes 1 comment

Setting an upper bound constraint to maximization objective (MIP) Answered

• neta katz
• January 03, 2025 15:35

0 votes 3 comments

NLP and MINLP in gurobipy Answered

• Rahmat Al Hasibi
• January 03, 2025 05:21
• Edited

0 votes 6 comments

Exponential constraints make the model infeasible Answered

• Ali Fattahi
• December 26, 2024 19:21

0 votes 1 comment

Trouble using gp.abs_() Answered

• Ruixuan Liu
• December 26, 2024 07:49
• Edited

0 votes 3 comments

Reuse a previously optimized model for warm start Answered

• Ruixuan Liu
• December 24, 2024 20:46
• Edited

0 votes 7 comments

How to identify best approach to solve the problem Answered

• Sudheer Reddy
• December 17, 2024 11:19

0 votes 3 comments

Model is infeasible Answered

• ze zhou
• December 15, 2024 17:46

0 votes 2 comments

Unexpected gurobi returned code (137) error: out-of-memory. How to debug? Answered

• Joshua Ong
• December 10, 2024 00:50

0 votes 1 comment

Implementation of sub-problem aggregation makes the problem unfeasible Awaiting user input

• Nico T
• December 08, 2024 21:49
• Edited

0 votes 1 comment

Warm Start for LP in gurobi (Python) Awaiting user input

• Federica Donnini
• December 07, 2024 17:32

0 votes 1 comment

'Model.optimizeAsyn()' method in Gurobi12 is not available for Python API. Answered

• Xuanjing Gong
• December 06, 2024 04:29

0 votes 1 comment

Solving non-convex MINLP and Warning: small or zero constant in general constraint NL "GC0" will be ignored Answered

• yunlong Wang
• December 05, 2024 09:43

1 vote 1 comment

Subtour Elimination constraint with two vehicle Answered

• Sebastiano Ferriero
• December 05, 2024 01:07

0 votes 1 comment

How to retrieve the LP dual variables when a model is infeasible ? Answered

• Amet Vikram
• December 01, 2024 01:58

1 vote 2 comments

VRP model and code

• Du Hongyi
• November 29, 2024 01:23

0 votes 0 comments

Raising to the power of a variable Answered

• mina torabi
• November 26, 2024 17:56

0 votes 1 comment

Get bounds from the computed IIS Answered

• John Daudu
• November 21, 2024 10:08

0 votes 2 comments

Solving multi-dimensional knapsack problems. Answered

• Travis Dart
• November 21, 2024 02:55
• Edited

1 vote 1 comment

How do I generate decision variables as needed?

• Saeed Abdolmaleki
• November 19, 2024 20:14

0 votes 0 comments

Resolving after changing objective does not use previous solution Answered

• Marco Correia
• November 19, 2024 17:55

0 votes 2 comments

Product of integer and binary linearization Answered

• Nick Fryganiotis
• November 19, 2024 12:00

0 votes 1 comment

Opposite Signs in Gurobi Dual Variables Output Answered

• Yuan Jiawei Yuan Jiawei
• November 14, 2024 08:44

0 votes 3 comments

MILP bilinear constraints Awaiting user input

• Nick Fryganiotis
• November 06, 2024 14:34

0 votes 3 comments

MIQCP cannot improve incumbent and even cannot find any best bound Awaiting user input

• Xin Yu Zhuang
• November 05, 2024 19:34

0 votes 8 comments

Conflict Concern with Conditional Battery Update Constraints for Drone-Only and Drone-with-Vehicle Scenarios in Gurobi Model Answered

• Dong Hyun Kim
• November 04, 2024 00:36

0 votes 8 comments

Proper way to use big-M method Awaiting user input

• Dong Hyun Kim
• November 01, 2024 21:23
• Edited

0 votes 7 comments