enlight4

infeasible equation_knapsack general_linear

Submitter Variables Constraints Density Status Group Objective MPS File
A. Zymolka 32 16 1.5625e-01 easy enlight Infeasible enlight4.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 32 32
Constraints 16 16
Binaries 16 19
Integers 16 13
Continuous 0 0
Implicit Integers 0 0
Fixed Variables 0 0
Nonzero Density 0.15625 0.15625
Nonzeroes 80 80
Constraint Classification Properties
Original Presolved
Total 16 16
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 16 13
Indicator 0 0

Structure

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

value min median mean max
Components 0.69897
Constraint % 6.25 6.25 6.25 6.25
Variable % 12.50 12.50 12.50 12.50
Score 0.21875

Best Known Solution(s)

No solution available for enlight4 .

Similar instances in collection

The following instances are most similar to enlight4 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 Status Variables Binaries Integers Continuous Constraints Nonz. Submitter Group Objective Tags
enlight8 easy 128 64 64 0 64 352 A. Zymolka enlight 27 equation_knapsack general_linear
enlight9 easy 162 81 81 0 81 450 A. Zymolka enlight Infeasible infeasible equation_knapsack general_linear
enlight11 easy 242 121 121 0 121 682 A. Zymolka enlight Infeasible infeasible equation_knapsack general_linear
enlight_hard easy 200 100 100 0 100 560 A. Zymolka enlight 37 benchmark benchmark_suitable equation_knapsack general_linear
nexp-50-20-1-1 easy 490 245 0 245 540 1225 MIPLIB submission pool exp_and_fc 29 decomposition variable_bound mixed_binary

Reference

No bibliographic information available

Last Update Apr 09, 2019 by Gregor Hendel
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