Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 4161 1446 2.04627e-03 easy network_design 25148940.56 cost266-UUE.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 4161 4161
Constraints 1446 1446
Binaries 171 171
Integers 0 0
Continuous 3990 3990
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.00204627 0.00204627
Nonzeroes 12312 12312
Constraint Classification Properties
Original Presolved
Total 1446 1446
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 9 9
Precedence 0 0
Variable Bound 0 0
Set Partitioning 0 0
Set Packing 0 57
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 1437 1380
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 1.973128
Constraint % 0.0691563 1.03288 0.0691563 2.55878
Variable % 0.0720981 1.07527 0.0720981 2.69166
Score 0.936016

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 25148941 25148941 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to cost266-UUE 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
mod011 10958 96 0 10862 4480 22254 MIPLIB submission pool mod easy -5.455854e+07
dsbmip 1886 192 0 1694 1182 7366 MIPLIB submission pool easy -3.051982e+02
exp-1-500-5-5 990 250 0 740 550 1980 MIPLIB submission pool exp_and_fc easy 6.588700e+04
gasprod1-2 10752 3716 0 7036 27169 200460 Andrew Stamps gasprod easy 9.830395e+02
gasprod1-3 10752 3717 0 7035 27169 200463 Andrew Stamps gasprod easy 2.310099e+03

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
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