Algorithms

How to assign a new variable equal to min of two other variable (Gurobi in Python) Ongoing

• Ye Liu
• January 27, 2022 17:33

0 votes 20 comments

How to make the search over B&B tree faster? Answered

• Fikri Kucuksayacigil
• December 27, 2021 19:59

0 votes 13 comments

Speed up gurobi to solve an milp Answered

• Ebru Angun
• April 05, 2019 17:33

1 vote 13 comments

Branch and price example Answered

• A.Omidi
• April 05, 2019 21:23

1 vote 12 comments

Why is Gurobi returning MIP solution with gap of 0 which is not close to the actual optimal solution? Ongoing

• Steven Shechter
• December 22, 2021 18:27

0 votes 11 comments

How to solve this MILP-based regression model faster? Answered

• Xianbang Chen
• April 26, 2021 13:36
• Edited

0 votes 11 comments

Array or List Answered

• Cris
• October 10, 2020 18:10
• Edited

0 votes 10 comments

No optimization function Ongoing

• Santanu Sarkar
• September 06, 2020 18:25
• Edited

0 votes 10 comments

Gurobi very slow at solving MIQP Answered

• Astghik Hakobyan
• May 16, 2019 17:18

0 votes 10 comments

Implementation of Benders Decomposition with Callbacks Ongoing

• Pramesh Kumar
• November 16, 2020 20:26

1 vote 9 comments

Model contains large quadratic objective coefficient range.

• Soufyan Zayou
• January 23, 2020 10:59

2 votes 9 comments

Unable to find optimal solution for some instances Answered

• Yaroslav Pylyavskyy
• May 17, 2022 13:59

0 votes 8 comments

Speeding up Gurobi LP solver Ongoing

• Tobias Höschen
• June 01, 2021 13:24
• Edited

1 vote 8 comments

VarHint where MIP Start is not applicable (with pyomo) Answered

• Jacob Mannhardt
• May 14, 2021 10:38
• Edited

0 votes 8 comments

MIPGap and Runtime query before optimization stops Answered

• Wu Hao
• July 04, 2020 16:40

0 votes 8 comments

Not that large MILP model took ages to obtain the optimal results Answered

• Ting Liang
• June 21, 2020 20:25

0 votes 8 comments

Disable Crossover for MILP that is reduced to LP in Presolve Answered

• Jacob Mannhardt
• June 09, 2022 07:37

0 votes 7 comments

Setting Threads parameter does not work as expected Awaiting user input

• Michel Weitbrecht
• January 12, 2022 16:45
• Edited

0 votes 7 comments

Optimal solution found early but long time to close gap Answered

• Marta Vanin
• October 22, 2021 15:40

0 votes 7 comments

L1 minimization Answered

• L1fe
• September 30, 2021 17:20
• Edited

0 votes 7 comments

Bug report: Different settings of MIPFocus result in different number of solutions Answered

• Kai Hu
• August 26, 2021 11:57

0 votes 7 comments

Gurobi stopping criteria

• Dominique Orban
• February 01, 2021 22:45

0 votes 7 comments

Providing integer start solution drastically increases root relaxation computation time Answered

• Hendrik Weber
• November 17, 2020 19:03
• Edited

1 vote 7 comments

Distributed MIP logging & ramp-up question

• Simon Felix
• December 06, 2019 15:08

3 votes 7 comments

Limit solutions for an LP Answered

• Zohar Levi
• August 11, 2022 12:08
• Edited

0 votes 6 comments

How to improve solver solution time in VRP TW Optimization Answered

• Rihot Gusron
• July 08, 2022 10:14
• Edited

1 vote 6 comments

GurobiError: Invalid argument to LinExpr multiplication Answered

• Geoffrey James Kameni Tchokode
• April 06, 2022 11:03

0 votes 6 comments

Interpreting the log file for the branch-and-cut tree search Answered

• Marcus Garvie
• January 31, 2022 17:12

0 votes 6 comments

How does NodeMethod work? Answered

• Fikri Kucuksayacigil
• December 14, 2021 00:23

0 votes 6 comments

Adding a few variables and constraints makes the model nearly unsolvable Answered

• Fikri Kucuksayacigil
• October 25, 2021 16:57

0 votes 6 comments