uccase8

benchmark_suitable aggregations variable_bound set_partitioning invariant_knapsack binpacking knapsack mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Daniel Espinoza	37413	53709	1.0681e-04	easy	uccase	11167.74532	uccase8.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	37413	37402
Constraints	53709	49523
Binaries	9576	9576
Integers	0	2016
Continuous	27837	25810
Implicit Integers	0	2016
Fixed Variables	0	0
Nonzero Density	0.000106810	0.000113259
Nonzeroes	214625	209785

Constraint Classification Properties
	Original	Presolved
Total	53709	49523
Empty	24	0
Free	0	0
Singleton	4036	0
Aggregations	8685	8685
Precedence	1513	0
Variable Bound	20718	22206
Set Partitioning	0	2016
Set Packing	0	0
Set Covering	0	0
Cardinality	0	0
Invariant Knapsack	0	189
Equation Knapsack	0	0
Bin Packing	0	12
Knapsack	0	3795
Integer Knapsack	0	0
Mixed Binary	18733	12620
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	3.373831
Constraint %		0.00606	0.0315215	0.00606	7.06742
Variable %		0.00802	0.0372004	0.00802	8.46746
Score	0.708651

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	11167.75	11167.75	0	0	0	-	2018-10-13	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to uccase8 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
uccase9	easy	33242	8064	25178	49565	332316	Daniel Espinoza	uccase	10993.131409	benchmark benchmark_suitable aggregations precedence variable_bound set_partitioning invariant_knapsack binpacking knapsack mixed_binary
uccase7	hard	33020	7224	25796	47132	335644	Daniel Espinoza	uccase	26834.28427331005	aggregations precedence variable_bound set_partitioning invariant_knapsack binpacking knapsack mixed_binary
uccase10	open	110818	16800	94018	196498	787045	Daniel Espinoza	uccase	39134.295915*	aggregations precedence variable_bound mixed_binary
irish-electricity	easy	61728	9888	51840	104259	523257	Paula Carroll	–	3723497.591396	benchmark benchmark_suitable precedence variable_bound invariant_knapsack binpacking knapsack mixed_binary
sing326	easy	55156	40010	15146	50781	268173	Daniel Espinoza	sing	7753674.85376	benchmark decomposition benchmark_suitable aggregations variable_bound set_partitioning cardinality mixed_binary

Reference

No bibliographic information available