Submitter Variables Constraints Density Status Group Objective MPS File
M. Lübbecke 13640 717 1.96267e-02 easy blp 4491.44758395 blp-ic98.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 13640 13640
Constraints 717 717
Binaries 13550 13550
Integers 0 89
Continuous 90 1
Implicit Integers 0 89
Fixed Variables 0 0
Nonzero Density 0.0196267 0.0196267
Nonzeroes 191947 191947
Constraint Classification Properties
Original Presolved
Total 717 717
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 0 0
Variable Bound 0 0
Set Partitioning 0 0
Set Packing 627 627
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 90 1
General Linear 0 89
Indicator 0 0

Structure

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

value min median mean max
Components 2.797960
Constraint % 0.139470 0.139470 0.13947 0.139470
Variable % 0.058651 0.158437 0.16129 0.190616
Score 0.873091

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 1 4491.448 4491.448 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.
1 2 4491.448 4491.448 0 0 0 - 2018-10-11 Solution imported from MIPLIB2010.

Similar instances in collection

The following instances are most similar to blp-ic98 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
blp-ir98 6097 6031 0 66 486 79152 M. Lübbecke blp easy 2.342315e+03
blp-ar98 16021 15806 0 215 1128 200601 M. Lübbecke blp easy 6.205215e+03
blp-ic97 9845 9753 0 92 923 118149 M. Lübbecke blp easy 4.025024e+03
neos-3116779-oban 5141 5140 0 1 328 20561 Jeff Linderoth neos-pseudoapplication-26 easy 0.000000e+00
leo1 6731 6730 0 1 593 131218 COR@L test set easy 4.042275e+08

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
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