assign1-5-8

benchmark benchmark_suitable set_partitioning cardinality mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Robert Fourer	156	161	1.48113e-01	easy	assign1	211.999999999998	assign1-5-8.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	156	156
Constraints	161	161
Binaries	130	130
Integers	0	0
Continuous	26	26
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.148113	0.148113
Nonzeroes	3720	3720

Constraint Classification Properties
	Original	Presolved
Total	161	161
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	0	0
Precedence	0	0
Variable Bound	0	0
Set Partitioning	26	26
Set Packing	0	0
Set Covering	0	0
Cardinality	5	5
Invariant Knapsack	0	0
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	0	0
Integer Knapsack	0	0
Mixed Binary	130	130
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	1.431364
Constraint %		0.621118	0.621118	0.621118	0.621118
Variable %		3.205130	3.205130	3.205130	3.205130
Score	0.156315

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	212	212	0	0	0	-	2018-10-13	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to assign1-5-8 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
assign1-10-4	open	572	520	0	52	582	28280	Robert Fourer	assign1	422*	set_partitioning cardinality mixed_binary
rlp1	easy	461	450	0	11	68	836	MIPLIB submission pool	–	14.99999999990919	benchmark_suitable cardinality mixed_binary
bppc8-09	easy	431	423	6	2	67	9051	Manuel Iori	bppc	471.9999999999998	benchmark_suitable set_partitioning mixed_binary
bppc4-08	easy	1456	1454	0	2	111	23964	Manuel Iori	bppc	53	benchmark benchmark_suitable set_partitioning mixed_binary
neos-911970	easy	888	840	0	48	107	3408	NEOS Server Submission	neos-pseudoapplication-70	54.76	benchmark benchmark_suitable set_partitioning set_covering mixed_binary

Reference

No bibliographic information available