Algorithms – Gurobi Help Center

How optimization algorithms work & improving their performance

Change solution strategy to standard (ImproveStartGap,ImproveStartNodes,ImproveStartTime) Answered
Ilya Tyuryukanov April 20, 2022 21:28

0 votes 2 comments
What algorithm is used for my optimization? Answered
Elina Joksch May 02, 2022 12:02

0 votes 1 comment
How was upper bound generated for non-linear, non-convex maximization optimization model? Answered
Yifei Sun April 26, 2022 16:20 Edited

0 votes 3 comments
IndexError: list index out of range Answered
Geoffrey James Kameni Tchokode April 22, 2022 08:13

0 votes 1 comment
GurobiError: Invalid argument to LinExpr multiplication Answered
Geoffrey James Kameni Tchokode April 06, 2022 11:03

0 votes 6 comments
Skipping non-existing decision variables in for loop Answered
Alara Tizer April 10, 2022 20:28

0 votes 1 comment
Having 2 implemented Callback methods Answered
MG April 05, 2022 08:47 Edited

0 votes 3 comments
long time after root relaxation before branch and bound Answered
ce jekl March 18, 2022 15:51 Edited

0 votes 3 comments
For the case of non convex QCP, How can I set the initial solution? Answered
Makine Shima March 18, 2022 07:33 Edited

0 votes 1 comment
TypeError: 'gurobipy.LinExpr' object is not iterable Answered
Geoffrey James Kameni Tchokode March 17, 2022 18:10

0 votes 2 comments
How can I create a multidict with data from excel file? Answered
Susana Carmona March 14, 2022 16:19 Edited

0 votes 1 comment
Large matrix coefficients and large RHS warning Answered
Emma Kuttler March 10, 2022 16:56

0 votes 1 comment
Binary Variables were assigned a continous value Answered
Marina Csanady March 04, 2022 19:09

0 votes 1 comment
How Gurobi compute IIS for MIP problem? Answered
Ramy Mohamed February 23, 2022 13:37

1 vote 5 comments
Adding time window constraints on VRP gets an unexpected result Answered
Daisuke Asaki February 23, 2022 08:54 Edited

0 votes 1 comment
Presolve disabled leads to constraint violation Answered
Maximilian Roth February 24, 2022 11:36

0 votes 2 comments
Behaviour of IntInf in the branch-and-cut tree search log Answered
Marcus Garvie February 23, 2022 04:21

0 votes 3 comments
Algorithms and solution methods to verify the solution from gurobi Answered
Jose peeterson February 19, 2022 09:44 Edited

0 votes 1 comment
solver takes ages to close GAP Answered
Donovan Aguilar February 09, 2022 16:22

0 votes 4 comments
Determine the solution from the optimal facet in LP Answered
Park Taejoon February 08, 2022 05:47

0 votes 1 comment
The algorithm behind the semi-continuous variable Answered
Mojtaba Jabbari Ghadi February 08, 2022 03:16 Edited

0 votes 1 comment
The method used in QCQP Answered
Jin Huang February 08, 2022 18:39

0 votes 1 comment
Interpreting the log file for the branch-and-cut tree search Answered
Marcus Garvie January 31, 2022 17:12

0 votes 6 comments
Gurobi Model Infeasible or unbounded Answered
Ye Liu February 03, 2022 16:53 Edited

0 votes 1 comment
PWL constraints efficiency Answered
Andre Pistoletov January 29, 2022 20:57 Edited

0 votes 3 comments
Can the callback function combine two check mechanism?(TSP subtour elimination + Bender's decomposition) Answered
Jacob Jin January 25, 2022 16:55

0 votes 2 comments
Lazy callback Answered
Pratim Lajui January 28, 2022 19:06

0 votes 2 comments
Is the TSP example's code in Gurobi documentation wrong??? Answered
Jacob Jin January 25, 2022 16:41

0 votes 2 comments
How to use callback function within multi-objective optimization? Answered
Jacob Jin January 11, 2022 15:19

0 votes 1 comment
When Gurobi can implement algorithms for SDP, especially for larger-scale matrix ? Answered
Wei Lin January 05, 2022 07:49

0 votes 2 comments

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