Algorithms – Gurobi Help Center

How optimization algorithms work & improving their performance

L1 minimization Answered
L1fe September 30, 2021 17:20 Edited

0 votes 8 comments
Bug report: Different settings of MIPFocus result in different number of solutions Answered
Kai Hu August 26, 2021 11:57

0 votes 8 comments
Providing integer start solution drastically increases root relaxation computation time Answered
Hendrik Weber November 17, 2020 19:03 Edited

1 vote 8 comments
parameter setting Answered
du d October 25, 2024 04:50

0 votes 7 comments
Redundant Cuts using Lazy Answered
Eliass Fennich July 09, 2024 18:58

0 votes 7 comments
Element of decisionvariable is missing Answered
Madeira May 11, 2024 15:23

0 votes 7 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
Vehicle Routing Problem with Time Windows with Gurobi and Python Answered
Mads Hoffmann May 18, 2023 18:23

1 vote 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
How does NodeMethod work? Answered
Fikri Kucuksayacigil December 14, 2021 00:23

0 votes 7 comments
Adding a few variables and constraints makes the model nearly unsolvable Answered
Fikri Kucuksayacigil October 25, 2021 16:57

0 votes 7 comments
pre-solve is buggy Answered
Zohar Levi September 16, 2021 09:36

0 votes 7 comments
Some questions about what I do to deal with the slow decline of gap value. Answered
Yanbo Fan August 29, 2021 16:12

0 votes 7 comments
About the calculation speed Answered
Yanbo Fan June 30, 2021 10:20

0 votes 7 comments
MIP start takes very long to process Answered
Mike Lang January 25, 2021 08:05 Edited

0 votes 7 comments
About Farkas Dual in Benders Decomposition Answered
Fan YANG October 17, 2019 10:36 Edited

0 votes 7 comments
Cut loop at root node of MIP Answered
Fan YANG August 23, 2019 15:23 Edited

1 vote 7 comments
Separating specific cuts Answered
A.Omidi August 09, 2019 22:47

0 votes 7 comments
MIP start did not produce a new incumbent solution Answered
Taner Cokyasar June 20, 2019 22:26

0 votes 7 comments
Column Generation Answered
Taylor Leonard April 05, 2019 22:12

0 votes 7 comments
Long Time Spend in Model Construction Answered
CAN YIN February 11, 2025 10:48

0 votes 6 comments
Why do the dual cost obtained by .pi seem incorrect, when the upper and lower bounds of variables are defined using "model.addVar"? Answered
Yiran Wang January 08, 2025 09:18

0 votes 6 comments
Gurobi cannot find the solution after one day Answered
Zhongjin Lu September 11, 2024 22:00

0 votes 6 comments
MIP stuck in branch-and-cut in some situations Answered
Sibo Li July 09, 2024 03:51 Edited

0 votes 6 comments
Lack of progress in Best Bound past a certain point and no termination for MINLP Answered
Benoit Chachuat March 14, 2024 14:01

0 votes 6 comments
VRPTW BIGM problem Answered
天景 January 02, 2024 06:20

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

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