Algorithms – Gurobi Help Center

How optimization algorithms work & improving their performance

Parameter - PreSparsify Answered

Dongyun Kim
August 17, 2022 02:30

0 votes 1 comment

Non-convex QCPQ capability compared to SCIP Answered

Tomáš Votroubek
August 15, 2022 21:49

0 votes 1 comment

Limit solutions for an LP Answered

Zohar Levi
August 11, 2022 12:08
Edited

0 votes 8 comments

Non-optimal solutions when solving an aTSP with Gurobi Answered

Constantin Wildt
August 11, 2022 10:31

0 votes 1 comment

Relaxations executed by gurobi Answered

Ahmed Al-Shafei
July 22, 2022 02:16

0 votes 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

Control over the number of callbacks in MIPNODE Answered

francois lamothe
July 13, 2022 16:24

0 votes 3 comments

Numerical trouble encountered when solving convex QCQP Answered

Braun Reiner
July 12, 2022 08:59

0 votes 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

MILP takes way too much time Answered

Marco Sp
July 08, 2022 06:53

2 votes 2 comments

Complexity reduction makes the algorithm slower Answered

Florian Kaltwasser
July 06, 2022 08:17

0 votes 5 comments

Log continually print 'Processing user MIP start: 0 nodes explored in subMIP, total elapsed time xxxs' when I set an initial value for all variables of MIP model Answered

Zhanwei Liu
June 30, 2022 14:04

0 votes 1 comment

Large MIP Model Stops Progressing - Many Equivalent Solutions? Answered

RALPH ASHER
June 23, 2022 16:37
Edited

0 votes 3 comments

How can Gurobi be deterministic considering "Performance Variability"? Answered

Ryosuke Umeda
June 21, 2022 14:15

0 votes 1 comment

Setting IntegralityFocus=1 accelerates solution? Answered

GurobiUser
June 18, 2022 17:25

0 votes 1 comment

How Gurobi solves a optimisation problem that doesn't have an objective? Answered

Hongyu Zhang
June 14, 2022 11:42

0 votes 3 comments

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

Jacob Mannhardt
June 09, 2022 07:37

0 votes 7 comments

Problems very similar to each other requiring much much different amount of time to be solved Answered

Daniele Patria
June 08, 2022 12:54

0 votes 1 comment

Solution to unbounded problems Answered

ce jekl
June 03, 2022 15:02
Edited

0 votes 1 comment

Stop the program while running Answered

Susana Carmona
May 30, 2022 08:31

0 votes 1 comment

In column generation, including negative reduced cost columns does not improve the LP. Answered

yunzhuang shen
May 29, 2022 07:58
Edited

0 votes 3 comments

Quadratic constraints contain large coefficients on linear part. Answered

wangyu hu
May 27, 2022 02:47
Edited

0 votes 1 comment

Optimizing away dummy binary variables with values determined by other variables? Answered

Tobias Völk
May 26, 2022 11:50

0 votes 1 comment

Unable to find optimal solution for some instances Answered

Yaroslav Pylyavskyy
May 17, 2022 13:59

0 votes 8 comments

Lagrangian Relaxation Answered

Asefeh Hassani Goodarzi
May 11, 2022 22:27

0 votes 4 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

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