Submitter Variables Constraints Density Status Group Objective MPS File
Michael Winkler 436 870 6.56965e-03 easy 1745.123813 supportcase26.mps.gz

MIP instances collected from Gurobi forum with unknown application

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 436 436
Constraints 870 830
Binaries 396 396
Integers 0 0
Continuous 40 40
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.00656965 0.00677573
Nonzeroes 2492 2452
Constraint Classification Properties
Original Presolved
Total 870 830
Empty 0 0
Free 0 0
Singleton 40 0
Aggregations 0 0
Precedence 38 38
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 792 792
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 0.4771212
Constraint % 2.04819 2.28916 2.28916 2.53012
Variable % 4.12844 4.58716 4.58716 5.04587
Score 0.0436610

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 1745.124 1745.124 0 0 0 - 2018-10-15 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to supportcase26 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-5107597-kakapo 3114 2976 0 138 6498 19392 Jeff Linderoth neos-pseudoapplication-54 easy 3645
neos-5115478-kaveri 3114 2976 0 138 6498 19392 Jeff Linderoth neos-pseudoapplication-54 easy 1233.99999999096
ic97_potential 728 450 73 205 1046 3138 L. Peeters easy 3942
liu 1156 1089 0 67 2178 10626 X. Liu open 1110*
icir97_potential 2112 1235 422 455 3314 9942 MIPLIB submission pool open 6325*

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
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