Submitter Variables Constraints Density Status Group Objective MPS File
Timo Berthold 3 1 1 easy 25508 ej.mps.gz

Number theoretic problem. In my opinion not suited for benchmarking, also depends a lot on numerical tolerances. But an interesting problem nevertheless. Reference: http://dx.doi.org/10.1016/j.jsc.2007.08.005

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 3 3
Constraints 1 1
Binaries 0 0
Integers 3 3
Continuous 0 0
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 1 1
Nonzeroes 3 3
Constraint Classification Properties
Original Presolved
Total 1 1
Empty 0 0
Free 0 0
Singleton 0 0
Aggregations 0 0
Precedence 0 0
Variable Bound 0 0
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 0 0
General Linear 1 1
Indicator 0 0

Structure

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

value min median mean max
Components 0.30103
Constraint % 100 100 100 100
Variable % 100 100 100 100
Score 0.00000

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 25508 25508 0 0 0 - 2018-10-13 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to ej 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
enlight_hard 200 100 100 0 100 560 A. Zymolka enlight easy 37
enlight9 162 81 81 0 81 450 A. Zymolka enlight easy Infeasible
enlight8 128 64 64 0 64 352 A. Zymolka enlight easy 27
enlight11 242 121 121 0 121 682 A. Zymolka enlight easy Infeasible
enlight4 32 16 16 0 16 80 A. Zymolka enlight easy Infeasible

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
generated with R Markdown
© 2018 by Konrad-Zuse-Zentrum für Informationstechnik Berlin (ZIB)
Imprint