Algorithms – Gurobi Help Center

How optimization algorithms work & improving their performance

Order of variables & constraints vs. performance Answered
Joost Berkhout July 08, 2019 13:39

2 votes 4 comments
Theory about the algorithms Answered
Luca Vitale April 17, 2019 12:45

2 votes 3 comments
Ignored lazy constraint leads to wrong solution cont. Ongoing
Florian Linß February 07, 2025 12:17 Edited

1 vote 4 comments
The model seems to ignore the added constraints Awaiting user input
Daniele Patria September 16, 2024 10:30

1 vote 1 comment
MIQP Model taking forever to compute Answered
Gaurav Malik July 29, 2024 12:36 Edited

1 vote 3 comments
Optimizing partial warm start mip solution Ongoing
Ramin Fakhimi July 23, 2024 14:37

1 vote 5 comments
ValueError: Mismatching inner dimensions Answered
Honglin An July 15, 2024 13:33

1 vote 2 comments
Problems adding columns "Only linear constraints allowed" Answered
Carl Baier June 19, 2024 09:38 Edited

1 vote 88 comments
What is "work" measuring? Answered
Bill Caraway January 22, 2024 18:58

1 vote 1 comment
Slow MIP Solving, how to speed up? Answered
Nima December 21, 2023 13:38

1 vote 2 comments
Problem regarding the Presolve method Awaiting user input
Marcel Schwab October 19, 2023 16:25

1 vote 1 comment
BestBd not updating in a MIQCP problem Answered
Haoge Chang September 18, 2023 00:27 Edited

1 vote 7 comments
How good is Gurobi for solving large linear systems of equations? Answered
Victor Hugo Nascimento July 21, 2023 06:00

1 vote 1 comment
Vehicle Routing Problem with Time Windows with Gurobi and Python Answered
Mads Hoffmann May 18, 2023 18:23

1 vote 7 comments
Gurobi gets stuck Ongoing
Carlos Rodriguez April 26, 2023 08:02

1 vote 9 comments
Convex combination of constraints that makes the problem infeasible Answered
Xuan Lin February 01, 2023 09:28 Edited

1 vote 7 comments
Does Gurobi take advantage of the problem structure? Answered
Hussein Sharadga January 07, 2023 22:13 Edited

1 vote 3 comments
Gurobi Stuck After Solving Problem Ongoing
Konstantin Preußer January 03, 2023 07:16

1 vote 2 comments
Computing dual for QCP in Gurobi Python Answered
Anjula Mary Antonis October 07, 2022 14:40

1 vote 3 comments
How does MIPFocus really work? Answered
CITLALI OLVERA September 01, 2022 00:18

1 vote 1 comment
MILP stops with OPTIMAL status but a suboptimal solution Awaiting user input
Yangyang Fu August 16, 2022 20:05 Edited

1 vote 1 comment
how to count a specific number in the Var list Answered
yikun wang July 21, 2022 06:21

1 vote 1 comment
Same nodes but different solution time (VRP Time Windows) Answered
Rihot Gusron July 20, 2022 08:09 Edited

1 vote 3 comments
Interpretation best bound NoRel heuristic Answered
Anne-Kett Bassing July 14, 2022 11:07 Edited

1 vote 1 comment
How to improve solver solution time in VRP TW Optimization Answered
Rihot Gusron July 08, 2022 10:14 Edited

1 vote 6 comments
How Gurobi compute IIS for MIP problem? Answered
Ramy Mohamed February 23, 2022 13:37

1 vote 5 comments
Lazy constraint in MIPNODE and MIPSOL Awaiting user input
ce jekl December 19, 2021 09:27 Edited

1 vote 6 comments
How do I specify the algorithm used to solve my model in pyomo? Answered
Amanda Farnsworth September 08, 2021 17:19

1 vote 2 comments
Unable to find sub-optimal solution Answered
Mohit Kumar August 31, 2021 07:11

1 vote 4 comments
What happens after root relaxation has been solved? Long time before exploring further nodes according to log Answered
Hendrik Weber August 24, 2021 12:51 Edited

1 vote 5 comments

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