Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 626 500 1.46326e-02 easy Infeasible dell.mps.gz

Imported from the MIPLIB2010 submissions.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 626 556
Constraints 500 450
Binaries 105 92
Integers 0 0
Continuous 521 464
Implicit Integers 0 0
Fixed Variables 57 0
Nonzero Density 0.0146326 0.0161910
Nonzeroes 4580 4051
Constraint Classification Properties
Original Presolved
Total 500 450
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 6 6
Precedence 40 40
Variable Bound 29 20
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 425 384
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 1.672098
Constraint % 0.234742 0.306185 0.234742 2.34742
Variable % 0.349040 0.402155 0.349040 1.91972
Score 0.139919

Best Known Solution(s)

No solution available for dell .

Similar instances in collection

The following instances are most similar to dell 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
supportcase23 24275 6250 0 18025 40502 161525 Michael Winkler open -12121.57006*
supportcase7 138844 451 14 138379 6532 2845540 Michael Winkler easy -1132.223177
rocI-3-11 5132 3894 762 476 8165 20540 Joerg Rambau rocI easy -50403
nsa 388 36 0 352 1297 4204 MIPLIB submission pool easy 120
irish-electricity 61728 9888 0 51840 104259 523257 Paula Carroll easy 3723497.591396

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
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