enlight11

infeasible equation_knapsack general_linear

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
A. Zymolka	242	121	2.32908e-02	easy	enlight	Infeasible	enlight11.mps.gz

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

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	242	242
Constraints	121	121
Binaries	121	124
Integers	121	118
Continuous	0	0
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.0232908	0.0232908
Nonzeroes	682	682

Constraint Classification Properties
	Original	Presolved
Total	121	121
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	121	118
Indicator	0	0

Structure

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

Nonzero entries of original problem

Nonzero entries after trivial presolving

Decomposed structure of original problem (dec-file)

Decomposed structure after trivial presolving (dec-file)

	value	min	median	mean	max
Components	0.301030
Constraint %		33.0579	33.0579	33.0579	33.0579
Variable %		46.2810	46.2810	46.2810	46.2810
Score	0.177583

Best Known Solution(s)

No solution available for enlight11 .

Similar instances in collection

The following instances are most similar to enlight11 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
enlight9	easy	162	81	81	0	81	450	A. Zymolka	enlight	Infeasible	infeasible equation_knapsack general_linear
enlight8	easy	128	64	64	0	64	352	A. Zymolka	enlight	27	equation_knapsack general_linear
enlight_hard	easy	200	100	100	0	100	560	A. Zymolka	enlight	37	benchmark benchmark_suitable equation_knapsack general_linear
enlight4	easy	32	16	16	0	16	80	A. Zymolka	enlight	Infeasible	infeasible equation_knapsack general_linear
beasleyC2	easy	2500	1250	0	1250	1750	5000	F. Ortega, L. Wolsey	beasley	144	decomposition benchmark_suitable aggregations variable_bound mixed_binary

Reference

No bibliographic information available