Submitter Variables Constraints Density Status Group Objective MPS File
J. Goessens, S. v. Hoessel, L. Kroon 15085 1435 1.96863e-02 easy sp9 529740623.2 sp98ar.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 15085 15085
Constraints 1435 1430
Binaries 15085 15085
Integers 0 0
Continuous 0 0
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.0196863 0.0197549
Nonzeroes 426148 426143
Constraint Classification Properties
Original Presolved
Total 1435 1430
Empty 0 0
Free 0 0
Singleton 5 0
Aggregations 0 0
Precedence 0 0
Variable Bound 71 71
Set Partitioning 0 0
Set Packing 837 837
Set Covering 110 110
Cardinality 0 0
Invariant Knapsack 0 0
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 412 412
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 2.958564
Constraint % 0.0699301 0.0699301 0.0699301 0.0699301
Variable % 0.0132582 0.1100960 0.1325820 0.2055020
Score 0.634266

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
2 529740623 529740623 0 0 0e+00 - 2018-10-11 Solution imported from MIPLIB2010.
1 529740623 529740623 0 0 1e-07 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to sp98ar 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
sp97ar 14101 14101 0 0 1761 290968 J. Goessens, S. v. Hoessel, L. Kroon sp9 easy 660705646
sp98ic 10894 10894 0 0 825 316317 J. Goessens, S. v. Hoessel, L. Kroon sp9 easy 449144758
sp97ic 12497 12497 0 0 1033 316629 J. Goessens, S. v. Hoessel, L. Kroon sp9 easy 427684488
neos-1516309 4500 4500 0 0 489 30400 NEOS Server Submission neos-pseudoapplication-26 easy 35954
n3div36 22120 22120 0 0 4484 340740 R. Meirich nseq easy 130800

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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