Submitter Variables Constraints Density Status Group Objective MPS File
Armin Fuegenschuh 1449074 1526202 3.07999e-06 hard 58 in.mps.gz

Packing of paths, multicommodity flow formulation. Solved in December 2013 by Gurobi development version.

Imported from MIPLIB2010.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 1449074 1447366
Constraints 1526202 1506554
Binaries 1489 1477
Integers 0 0
Continuous 1447585 1445889
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 3.07999e-06 3.10542e-06
Nonzeroes 6811640 6771490
Constraint Classification Properties
Original Presolved
Total 1526202 1506554
Empty 0 0
Free 0 0
Singleton 905 0
Aggregations 43 295
Precedence 0 0
Variable Bound 1447585 1429205
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 77669 77054
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
Constraint %
Variable %
Score

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 58 58 0 0e+00 0 - 2018-10-10 Solution imported from MIPLIB2010.
1 271 271 0 6e-07 0 - 2018-10-10 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to in 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
neos-3740487-motru 1689612 75566 0 1614046 4936372 26433500 Jeff Linderoth neos-pseudoapplication-61 open
neos-873061 175288 87644 0 87644 93360 350576 NEOS Server Submission neos-pseudoapplication-61 easy 113.6562385063
neos-872648 175219 87575 0 87644 93291 350438 NEOS Server Submission neos-pseudoapplication-61 open 48.60790603143*
neos-3208254-reiu 3154336 3743 0 3150593 9464908 25080200 Jeff Linderoth neos-pseudoapplication-98 open
neos-3755335-nizao 40938 5226 0 35712 111026 547794 Jeff Linderoth neos-pseudoapplication-61 easy 50.0301565326

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
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