Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 27342 14427 1.32318e-03 open triptim 2566.069 triptim8.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 27342 24260
Constraints 14427 14414
Binaries 18619 15560
Integers 8716 8698
Continuous 7 2
Implicit Integers 0 0
Fixed Variables 8 0
Nonzero Density 0.00132318 0.00145745
Nonzeroes 521945 509647
Constraint Classification Properties
Original Presolved
Total 14427 14414
Empty 0 0
Free 0 0
Singleton 3 0
Aggregations 14 11
Precedence 1 0
Variable Bound 6 3
Set Partitioning 0 16
Set Packing 1898 1898
Set Covering 3784 1890
Cardinality 0 0
Invariant Knapsack 5 1897
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 2 2
General Linear 8714 8697
Indicator 0 0

Structure

Available nonzero structure and decomposition information. Further information can be found here.

value min median mean max
Components 1.146128
Constraint % 0.00694 3.04245 0.00694 20.2373
Variable % 0.00824 3.24960 0.00824 19.6694
Score 0.319660

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 2566.069 2566.069 0 0 0 - 2018-10-13 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to triptim8 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
triptim7 27342 18619 8716 7 14427 521944 MIPLIB submission pool triptim open 2566.02*
triptim4 27226 18537 8682 7 14361 520532 MIPLIB submission pool triptim open 9.8181*
triptim1 30055 20456 9592 7 15706 515436 MIPLIB submission pool triptim easy 22.8680999999999
triptim2 27326 20776 6543 7 14427 521898 MIPLIB submission pool triptim hard 12.0051
supportcase34 17879 11196 6682 1 15170 748887 Domenico Salvagnin easy 83.99999986

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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