Submitter Variables Constraints Density Status Group Objective MPS File
J. Goessens, S. v. Hoessel, L. Kroon 12497 1033 2.4527e-02 easy sp9 427684487.68 sp97ic.mps.gz

Railway line planning instance

Imported from the MIPLIB2010 submissions.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 12497 12497
Constraints 1033 1033
Binaries 12497 12497
Integers 0 0
Continuous 0 0
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.024527 0.024527
Nonzeroes 316629 316629
Constraint Classification Properties
Original Presolved
Total 1033 1033
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 0 0
Variable Bound 17 17
Set Partitioning 0 0
Set Packing 814 814
Set Covering 24 24
Cardinality 0 0
Invariant Knapsack 0 0
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 178 178
General Linear 0 0
Indicator 0 0

Structure

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

value min median mean max
Components 2.920123
Constraint % 0.0968054 0.0968054 0.0968054 0.0968054
Variable % 0.0160038 0.1203370 0.1120270 0.2000480
Score 0.803485

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 427684488 427684488 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to sp97ic 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
sp98ic 10894 10894 0 0 825 316317 J. Goessens, S. v. Hoessel, L. Kroon sp9 easy 449144758.4
sp97ar 14101 14101 0 0 1761 290968 J. Goessens, S. v. Hoessel, L. Kroon sp9 easy 660705645.8
sp98ar 15085 15085 0 0 1435 426148 J. Goessens, S. v. Hoessel, L. Kroon sp9 easy 529740623.2
n3div36 22120 22120 0 0 4484 340740 R. Meirich nseq easy 130800.0
neos-1599274 4500 4500 0 0 1237 46800 NEOS Server Submission neos-pseudoapplication-26 easy 32075.6

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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