nexp-150-20-1-5

decomposition variable_bound mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
MIPLIB submission pool	4470	4620	5.41126e-04	easy	exp_and_fc	66	nexp-150-20-1-5.mps.gz

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	4470	4096
Constraints	4620	2198
Binaries	2235	2048
Integers	0	0
Continuous	2235	2048
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.000541126	0.000909918
Nonzeroes	11175	8192

Constraint Classification Properties
	Original	Presolved
Total	4620	2198
Empty	0	0
Free	0	0
Singleton	2235	0
Aggregations	0	0
Precedence	0	0
Variable Bound	2235	2048
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	150	150
General Linear	0	0
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	3.311542
Constraint %		0.0454959	0.0454959	0.0454959	0.0454959
Variable %		0.0488281	0.0488281	0.0488281	0.0488281
Score	0.931301

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	66	66	0	0	0	-	2018-10-11	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to nexp-150-20-1-5 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	Continuous	Constraints	Nonz.	Submitter	Group	Objective	Tags
nexp-50-20-1-1	easy	490	245	245	540	1225	MIPLIB submission pool	exp_and_fc	28.99999999999999	decomposition variable_bound mixed_binary
berlin	easy	5304	2652	2652	2704	10608	MIPLIB submission pool	–	1043.999999997141	decomposition benchmark_suitable variable_bound mixed_binary
brasil	easy	6612	3306	3306	3364	13224	MIPLIB submission pool	–	13655	decomposition benchmark_suitable variable_bound mixed_binary
mc7	easy	3040	1520	1520	1920	6080	F. Ortega, L. Wolsey	mc	3417	decomposition benchmark_suitable variable_bound mixed_binary
mc8	easy	3040	1520	1520	1920	6080	F. Ortega, L. Wolsey	mc	1566	decomposition benchmark_suitable variable_bound mixed_binary

Reference

No bibliographic information available