Algorithms

About how to optimize the solver's speed for large optimization. Answered

• whwhwh55
• April 22, 2023 14:26

0 votes 13 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

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

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

0 votes 11 comments

Failed to find feasible solutions on super-undertermined problems Answered

• Yifeng Mao
• September 28, 2023 13:04

0 votes 10 comments

Array or List Answered

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

0 votes 10 comments

Gurobi very slow at solving MIQP Answered

• Astghik Hakobyan
• May 16, 2019 17:18

0 votes 10 comments

Varying Ordering Time for similar models Answered

• Jacob Mannhardt
• June 01, 2023 10:52
• Edited

0 votes 9 comments

Implementation of Benders Decomposition with Callbacks Answered

• Pramesh Kumar
• November 16, 2020 20:26

1 vote 9 comments

Applying LR to the B&B for MIPs Answered

• Sajjad Hedayati
• August 14, 2023 07:49

0 votes 8 comments

On PreSOS1BigM Parameter Answered

• Ankit Bansal
• March 20, 2023 05:20
• Edited

0 votes 8 comments

Different platforms and different results Answered

• Arash Baharvandi
• February 14, 2023 07:19
• Edited

0 votes 8 comments

What is the relation between presolve and the infeasibility of model? Answered

• Suyue Xu
• December 28, 2022 09:40
• Edited

0 votes 8 comments

Limit solutions for an LP Answered

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

0 votes 8 comments

Unable to find optimal solution for some instances Answered

• Yaroslav Pylyavskyy
• May 17, 2022 13:59

0 votes 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

BestBd not updating in a MIQCP problem Answered

• Haoge Chang
• September 18, 2023 00:27
• Edited

1 vote 7 comments

Concurrent Optimizer and callbacks Answered

• Thomas Leveringhaus
• August 29, 2023 11:06

0 votes 7 comments

How to extract fractional solution from GUROBI ILP? Answered

• Tarun Suresh
• July 16, 2023 20:29

0 votes 7 comments

Convex combination of constraints that makes the problem infeasible Answered

• Xuan Lin
• February 01, 2023 09:28
• Edited

1 vote 7 comments

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

• Jacob Mannhardt
• June 09, 2022 07:37

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

• HU KAI
• August 26, 2021 11:57

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

BestBd NaN for MILP and When will BestBd be NaN? Answered

• CAN YIN
• December 03, 2023 23:55

0 votes 6 comments

Significantly different results of scaled and unscaled models Answered

• Jan Wiegner
• October 23, 2023 12:17
• Edited

0 votes 6 comments