Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 12640 6558 3.80261e-04 easy fixed-cost-network-flow 6382.099048246 h80x6320d.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 12640 12482
Constraints 6558 6400
Binaries 6320 6241
Integers 0 0
Continuous 6320 6241
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.000380261 0.000390625
Nonzeroes 31521 31205
Constraint Classification Properties
Original Presolved
Total 6558 6400
Empty 0 0
Free 0 0
Singleton 79 0
Aggregations 0 0
Precedence 0 0
Variable Bound 6320 6241
Set Partitioning 68 68
Set Packing 11 11
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 80 80
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 1.90309
Constraint % 1.25000 1.25000 1.25000 1.25000
Variable % 1.26582 1.26582 1.26582 1.26582
Score 0.97500

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 6382.099 6382.099 2.7e-06 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to h80x6320d 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
n3707 10000 5000 0 5000 5150 20000 J. Aronson n37 open 1217798*
h50x2450 4900 2450 0 2450 2549 12152 MIPLIB submission pool fixed-cost-network-flow easy 32906.880834
n370b 10000 5000 0 5000 5150 20000 J. Aronson n37 open 1256398*
n3700 10000 5000 0 5000 5150 20000 J. Aronson n37 open 1245141*
n3709 10000 5000 0 5000 5150 20000 J. Aronson n37 open 1246679*

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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