Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 1080 750 3.0963e-03 easy 130596 tr12-30.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 1080 1072
Constraints 750 742
Binaries 360 352
Integers 0 0
Continuous 720 720
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.00309630 0.00312286
Nonzeroes 2508 2484
Constraint Classification Properties
Original Presolved
Total 750 742
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 12 12
Precedence 0 0
Variable Bound 360 352
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 378 378
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 1.113943
Constraint % 7.95148 7.99641 7.95148 8.08625
Variable % 8.24074 8.27160 8.24074 8.33333
Score 0.880194

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 130596 130596 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to tr12-30 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
bg512142 792 240 0 552 1307 3953 A. Miller hard 184202.75
dg012142 2080 640 0 1440 6310 14795 A. Miller hard 2300867
neos-3754480-nidda 253 50 0 203 402 1488 Jeff Linderoth neos-pseudoapplication-107 hard 12941.69351205
exp-1-500-5-5 990 250 0 740 550 1980 MIPLIB submission pool exp_and_fc easy 65887
set3-09 4019 1424 0 2595 3747 13747 Kerem Akartunali set3 open 187000.75363*

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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