Submitter Variables Constraints Density Status Group Objective MPS File
A. Atamtürk 7178 2760 1.42686e-03 easy nxy-z 15175 n6-3.mps.gz

Capacitated network design problem

Imported from the MIPLIB2010 submissions.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 7178 7178
Constraints 2760 2760
Binaries 0 0
Integers 222 222
Continuous 6956 6956
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.00142686 0.00142686
Nonzeroes 28268 28268
Constraint Classification Properties
Original Presolved
Total 2760 2760
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 376 376
Precedence 0 0
Variable Bound 0 0
Set Partitioning 0 0
Set Packing 0 0
Set Covering 0 0
Cardinality 0 0
Invariant Knapsack 0 0
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 2236 2236
General Linear 148 148
Indicator 0 0

Structure

Available nonzero structure and decomposition information. Further information can be found here.

value min median mean max
Components 1.977724
Constraint % 0.978261 1.00678 0.978261 3.65942
Variable % 1.030930 1.06383 1.030930 4.12371
Score 0.935489

Best Known Solution(s)

Find solutions below. Download the archive containing all solutions from the Download page.

ID Objective Exact Int. Viol Cons. Viol Obj. Viol Submitter Date Description
1 15175 15175 8.7e-06 0 4e-07 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to n6-3 in the collection. This similarity analysis is based on 100 scaled instance features describing properties of the variables, objective function, bounds, constraints, and right hand sides.

Instance Variables Binaries Integers Continuous Constraints Nonz. Submitter Group Status Objective
n9-3 7644 0 252 7392 2364 30072 A. Atamtürk nxy-z easy 14409
n7-3 5626 0 174 5452 2336 22156 A. Atamtürk nxy-z easy 15426
n5-3 2550 0 150 2400 1062 9900 A. Atamtürk nxy-z easy 8105
n13-3 3472 0 186 3286 1723 13516 A. Atamtürk nxy-z easy 13385
ta1-UUM 2288 0 605 1683 439 5654 MIPLIB submission pool network_design easy 7518328

Reference

No bibliographic information available

Last Update Nov 17, 2018 by Gregor Hendel
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