Algorithms

Methods for solving binary LP Ongoing

• Zohar Levi
• August 02, 2022 08:34

0 votes 4 comments

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

0 votes 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

Why Barrier report numerical trouble encountered even the ranges are not large? Ongoing

• Hongyu Zhang
• July 14, 2022 09:45

0 votes 2 comments

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

Obtaining 0-1 Integer Solutions with Linear Programming solvers Ongoing

• Prabhu Manyem
• June 27, 2022 07:10

0 votes 2 comments

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

Symmetry parameter options do not cause any changes Awaiting user input

• Iria Rodríguez Acevedo
• June 13, 2022 12:10

0 votes 1 comment

Crossover impact on duals in a LP Awaiting user input

• Elena Raycheva
• June 09, 2022 11:37

0 votes 3 comments

Different best bounds for different python scripts that run precisely the same model for the same problem Ongoing

• Yaroslav Pylyavskyy
• June 09, 2022 10:06

0 votes 4 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

Comparing suboptimal solutions for different scenarios and defending the use of Gurobi as a solver in an academic setting, Awaiting user input

• Garrett Eoghan
• May 30, 2022 04:51

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

Inconsistent performance Awaiting user input

• Elisabeth
• May 27, 2022 21:41

0 votes 1 comment

How to fix the root relaxation objective value so i can find the optimale solution. Awaiting user input

• Bachir Ahmed
• May 27, 2022 07:43

0 votes 2 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