Algorithms – Gurobi Help Center

How optimization algorithms work & improving their performance

Gurobi inconsistent performance when solving the MIP problems in parallel and in sequence Answered
Nikita Belyak March 04, 2020 13:59

0 votes 2 comments
Extract cutting planes Answered
Jialin Song March 03, 2020 23:33

0 votes 3 comments
Model is "Either infeasible or unbonded" reported by Gurobi, however feasible and bounded after providing with partial initial guess Answered
XINWEI SHEN March 03, 2020 08:46

0 votes 3 comments
Can we improve solution time when integer variables are determined by continuous variables? Answered
Daniel Paleka March 02, 2020 13:03

0 votes 3 comments
Warm start in callback to improve solution Answered
Devaraja Vignesh Radha Krishnan February 24, 2020 04:01

0 votes 3 comments
Bound update rule
Can Li February 21, 2020 01:00

0 votes 3 comments
Lagrangian Relaxation bound greater than optimal solution Ongoing
Chags February 20, 2020 13:42

0 votes 3 comments
Objective function tolerance Answered
Yauhen Yakimenka February 20, 2020 12:01 Edited

0 votes 3 comments
Feasible heuristic solution? Answered
Antonio Medrano February 18, 2020 18:27

0 votes 2 comments
Reliable Results ? Answered
ibtissam labriji February 18, 2020 17:19

1 vote 4 comments
Branching Priority for nonconvex MIQCP Answered
Can Li February 13, 2020 01:36

0 votes 2 comments
Setting stop criterion to maximum one solution changes the behaviour of branch and bound
Bruno Oliveira February 12, 2020 18:20

0 votes 5 comments
Very slow MIP solving for small problem, how to speed up?
Emilio Dorigatti February 10, 2020 08:58 Edited

0 votes 2 comments
Optimization Answered
ibtissam labriji February 07, 2020 15:24

0 votes 2 comments
If solver hits time limit, is a solution output? Answered
Sam Ganzfried February 04, 2020 14:32

0 votes 4 comments
Stochastic programming Answered
Sutanu Majumdar January 23, 2020 20:05

0 votes 2 comments
Barrier: Inflated problem iterates and solves much faster Answered
Leonard Göke January 23, 2020 14:07 Edited

0 votes 3 comments
Model contains large quadratic objective coefficient range.
Soufyan Zayou January 23, 2020 10:59

2 votes 10 comments
What does Gurobi do for different values of the NumericFocus parameter? Answered
Michael Mell January 20, 2020 13:14

0 votes 2 comments
Always Global Solutions? Answered
Jaehwan Jeong January 20, 2020 07:04

0 votes 6 comments
Dealing with 'Sub-optimal termination' in Barrier Method Answered
Gregory Hauser January 13, 2020 21:05

1 vote 2 comments
Tolerance and constraint parameters Answered
Soufyan Zayou January 12, 2020 12:31

2 votes 4 comments
What solution wll GUROBI return when solving an unbounded MILP?
Yingxiao Ye January 10, 2020 12:41

2 votes 1 comment
Is it possible to enable the presolve method to utilize VarHintVal and Start values?
Çağrı Latifoğlu January 02, 2020 19:48

0 votes 1 comment
Time limit on a parallel solve
None December 19, 2019 14:00

0 votes 2 comments
MIP solution process - updating the incumbent objective value Answered
Charitha Buddhika Heendeniya December 18, 2019 10:10

0 votes 2 comments
Solving LPs sequentially versus one large LP with non-interacting variables/constraints Answered
Carlos Martin December 14, 2019 06:58 Edited

0 votes 4 comments
No solution found when using an objective function Answered
Matthieu Lormeau December 09, 2019 15:06 Edited

1 vote 6 comments
meaning of "minrelax" in function "feasRelax" Answered
Yang Yue December 07, 2019 09:36

0 votes 2 comments
Distributed MIP logging & ramp-up question
Simon Felix December 06, 2019 15:08

3 votes 8 comments

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