Submitter Variables Constraints Density Status Group Objective MPS File
A. Atamtürk 5626 2336 1.68585e-03 easy nxy-z 15426 n7-3.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 5626 5626
Constraints 2336 2336
Binaries 0 0
Integers 174 174
Continuous 5452 5452
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.00168585 0.00168585
Nonzeroes 22156 22156
Constraint Classification Properties
Original Presolved
Total 2336 2336
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 658 658
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 1562 1562
General Linear 116 116
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 % 0.984589 1.01100 0.984589 3.46747
Variable % 1.030930 1.06383 1.030930 4.12371
Score 0.939473

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 15426 15426 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to n7-3 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
n13-3 3472 0 186 3286 1723 13516 A. Atamtürk nxy-z easy 13385
n6-3 7178 0 222 6956 2760 28268 A. Atamtürk nxy-z easy 15175
n5-3 2550 0 150 2400 1062 9900 A. Atamtürk nxy-z easy 8105
n9-3 7644 0 252 7392 2364 30072 A. Atamtürk nxy-z easy 14409
ta1-UUM 2288 0 605 1683 439 5654 MIPLIB submission pool network_design easy 7518328

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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