Submitter Variables Constraints Density Status Group Objective MPS File
He Renjie 95637 51712 1.66046e-04 hard satellites -25 satellites4-25.mps.gz

Ihe attachment is some instances generated from real life satelliteschedule problem data,these instances are easier comparable to real lifeproblem. The work is done by me and Alberto Ceselli from Univeristy ofMilano. I donnot know it is hard enough or not, if needs , I can generatemore difficult instances.

Imported from the MIPLIB2010 submissions.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 95637 95594
Constraints 51712 51712
Binaries 93747 93746
Integers 0 0
Continuous 1890 1848
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.000166046 0.000166111
Nonzeroes 821192 821148
Constraint Classification Properties
Original Presolved
Total 51712 51712
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 1333 1333
Precedence 31 31
Variable Bound 0 0
Set Partitioning 30504 30504
Set Packing 117 117
Set Covering 0 0
Cardinality 3906 3906
Invariant Knapsack 10571 10571
Equation Knapsack 0 0
Bin Packing 0 0
Knapsack 0 31
Integer Knapsack 0 0
Mixed Binary 5250 5219
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 3.006466
Constraint % 0.0019300 0.0581738 0.0599474 0.0599474
Variable % 0.0324288 0.0949745 0.0983325 0.0983325
Score 0.589311

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 -25 -25 0 0 0 - 2018-10-13 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to satellites4-25 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
satellites3-25 81681 79961 0 1720 44804 698176 He Renjie satellites hard -25
satellites2-40 35378 34324 0 1054 20916 283668 He Renjie satellites easy -19
satellites2-25 35378 34324 0 1054 20916 283668 He Renjie satellites easy -19
satellites2-60-fs 35378 34324 0 1054 16516 125048 He Renjie satellites easy -19
piperout-d20 11961 11788 149 24 15562 190915 Gleb Belov piperout easy 29948

Reference

No bibliographic information available

Last Update Nov 09, 2018 by Gregor Hendel
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