Submitter Variables Constraints Density Status Group Objective MPS File
A. Zymolka 128 64 4.29688e-02 easy enlight 27 enlight8.mps.gz

Model to solve instance of a combinatorial game ``EnLight’’ Imported from the MIPLIB2010 submissions.

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
Original Presolved
Variables 128 128
Constraints 64 64
Binaries 64 67
Integers 64 61
Continuous 0 0
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.0429688 0.0429688
Nonzeroes 352 352
Constraint Classification Properties
Original Presolved
Total 64 64
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 3
Bin Packing 0 0
Knapsack 0 0
Integer Knapsack 0 0
Mixed Binary 0 0
General Linear 64 61
Indicator 0 0

Structure

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

value min median mean max
Components 0.301030
Constraint % 43.750 43.750 43.750 43.750
Variable % 59.375 59.375 59.375 59.375
Score 0.177734

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 27 27 0 0 0 - 2018-10-11 Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to enlight8 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
enlight9 162 81 81 0 81 450 A. Zymolka enlight easy Infeasible
enlight11 242 121 121 0 121 682 A. Zymolka enlight easy Infeasible
enlight_hard 200 100 100 0 100 560 A. Zymolka enlight easy 37
enlight4 32 16 16 0 16 80 A. Zymolka enlight easy Infeasible
nexp-50-20-1-1 490 245 0 245 540 1225 MIPLIB submission pool exp_and_fc easy 29

Reference

No bibliographic information available

Last Update Nov 19, 2018 by Gregor Hendel
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