Algorithms

Cannot solve MILP with Barrier method + Crossover Answered

• Anna Cybulsky
• September 29, 2022 14:36

0 votes 1 comment

Why the extreme ray Groubi retrieved is 0? Answered

• Jacob Jin
• September 28, 2022 21:44

0 votes 3 comments

NoRel heuristics: is this adding valid inequalities? Answered

• Fabio Schoen
• September 23, 2022 13:13

0 votes 1 comment

Barrier Method Sub-Optimal Termination Answered

• Youssef Shaker
• September 14, 2022 23:17

0 votes 1 comment

Getting "DUAL_INFEASIBLE" when solving a very simple linear programming problem. Answered

• Hongyu Zhang
• September 14, 2022 19:53

0 votes 1 comment

How to use the network simplex algorithm in Gurobi? Answered

• Roberto Bargetto
• September 12, 2022 08:13
• Edited

0 votes 1 comment

Wrong algo of dual simplex Answered

• LUYANG ZHANG
• September 07, 2022 07:01

0 votes 3 comments

How does MIPFocus really work? Answered

• CITLALI OLVERA
• September 01, 2022 00:18

1 vote 1 comment

Optimality and Suboptimality in Quadratic Programs Answered

• Viviane Weinstabl
• August 30, 2022 07:34

0 votes 3 comments

MILP worst-case Complexity order Answered

• Afsoon Alidadi Shamsabadi
• August 29, 2022 19:38

0 votes 3 comments

Gurobi uses much less memory than I expected Answered

• Bo Yang
• August 27, 2022 19:59

0 votes 4 comments

Running time is longer when the problem size is decreased Answered

• Miranda
• August 26, 2022 02:42

0 votes 1 comment

LP with only equality constraints Answered

• Zohar Levi
• August 23, 2022 12:57
• Edited

0 votes 2 comments

Parameter - PreSparsify Answered

• dongyun kim
• August 17, 2022 02:30

0 votes 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

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

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