Submitter Variables Constraints Density Status Group Objective MPS File
MIPLIB submission pool 27226 14361 1.33131e-03 open triptim 9.8181 triptim4.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 27226 23300
Constraints 14361 14354
Binaries 18537 14628
Integers 8682 8666
Continuous 7 6
Implicit Integers 0 0
Fixed Variables 6 0
Nonzero Density 0.00133131 0.00150947
Nonzeroes 520532 504841
Constraint Classification Properties
Original Presolved
Total 14361 14354
Empty 0 0
Free 0 0
Singleton 3 0
Aggregations 14 13
Precedence 1 1
Variable Bound 6 5
Set Partitioning 0 16
Set Packing 1888 1888
Set Covering 3764 1880
Cardinality 0 0
Invariant Knapsack 5 1887
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 0 0
General Linear 8680 8664
Indicator 0 0

Structure

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

value min median mean max
Components 1.176091
Constraint % 0.00697 2.8235 0.0069700 19.6879
Variable % 0.00858 2.8740 0.0128755 20.1202
Score 0.316708

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 9.8181 9.8181 0 0 0 - 2018-10-13 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to triptim4 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
triptim1 30055 20456 9592 7 15706 515436 MIPLIB submission pool triptim easy 22.8680999999999
triptim7 27342 18619 8716 7 14427 521944 MIPLIB submission pool triptim open 2566.02*
triptim2 27326 20776 6543 7 14427 521898 MIPLIB submission pool triptim hard 12.0051
triptim8 27342 18619 8716 7 14427 521945 MIPLIB submission pool triptim open 2566.069*
supportcase34 17879 11196 6682 1 15170 748887 Domenico Salvagnin easy 83.99999986

Reference

No bibliographic information available

Last Update Nov 17, 2018 by Gregor Hendel
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