Submitter Variables Constraints Density Status Group Objective MPS File
NEOS Server Submission 22884 38577 1.08793e-04 easy neos-pseudoapplication-65 -48603440751 neos4.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 22884 20296
Constraints 38577 35872
Binaries 17172 16308
Integers 0 0
Continuous 5712 3988
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.000108793 0.000126258
Nonzeroes 96042 91923
Constraint Classification Properties
Original Presolved
Total 38577 35872
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 49 86
Precedence 32790 31990
Variable Bound 4036 2270
Set Partitioning 0 0
Set Packing 3 2
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 1699 1524
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 2.468347
Constraint % 0.00279 0.326992 0.0083700 4.85266
Variable % 0.00966 0.321423 0.0193134 4.34552
Score 0.920003

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 -48603440751 -48603440751 0 0 7.16e-05 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos4 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-3734794-moppy 4418 1760 154 2504 4317 22430 Jeff Linderoth neos-pseudoapplication-25 easy 5900905694.59
ta2-UUE 9241 1188 0 8053 2687 26533 MIPLIB submission pool network_design easy 37871728.59
neos-3355120-tarago 7800 4700 3100 0 86633 265500 Hans Mittelmann neos-pseudoapplication-52 open -11016684.60923*
neos-3615091-sutlej 205141 153520 0 51621 449690 1301130 Hans Mittelmann neos-pseudoapplication-45 open -930273.2*
neos-3068746-nene 4890 3815 1075 0 4664 29515 Jeff Linderoth neos-pseudoapplication-45 open 61910283.68795*

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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