neos-4232544-orira

numerics aggregations precedence variable_bound set_partitioning set_packing set_covering invariant_knapsack integer_knapsack mixed_binary general_linear

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Jeff Linderoth	87060	180600	3.13207e-05	open	neos-pseudoapplication-57	17182027.4*	neos-4232544-orira.mps.gz

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	87060	86140
Constraints	180600	174536
Binaries	38280	38200
Integers	5700	5844
Continuous	43080	42096
Implicit Integers	0	144
Fixed Variables	0	0
Nonzero Density	3.13207e-05	3.18994e-05
Nonzeroes	492456	479592

Constraint Classification Properties
	Original	Presolved
Total	180600	174536
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	20	20
Precedence	46960	46960
Variable Bound	91140	85164
Set Partitioning	5760	5760
Set Packing	960	960
Set Covering	20	20
Cardinality	0	0
Invariant Knapsack	4740	4720
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	0	0
Integer Knapsack	920	920
Mixed Binary	23420	23352
General Linear	6660	6660
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	3.678063
Constraint %		0.00115	0.0158900	0.00802	9.41983
Variable %		0.00232	0.0172955	0.00695	12.36210
Score	0.710395

Best Known Solution(s)

Find solutions below. Download the archive containing all solutions from the Download page.

ID	Objective	Exact	Cons. Viol	Obj. Viol	Submitter	Date	Description
3	17182027	16990806	0e+00	0e+00	Peng Lin, Mengchuan Zou, Shaowei Cai.	2024-02-29	Computed the local search solver Local-MIP (https://github.com/shaowei-cai-group/Local-MIP) by Peng Lin, Mengchuan Zou, and Shaowei Cai.
2	17540506	17540506	0e+00	0e+00	Gerald Gamrath	2023-03-28	Found with COPT 6.5 in 10h.
1	51015596	51015596	2e-07	8e-07	-	2018-10-11	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-4232544-orira 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
minutedispatchstrategy	open	41761	20156	0	21605	80194	239480	Mark Husted	–	3109.903477759654*	numerics precedence variable_bound invariant_knapsack mixed_binary
neos-4264598-oueme	open	54550	13370	0	41180	54714	191146	Jeff Linderoth	neos-pseudoapplication-57	6038453.676499*	numerics aggregations precedence variable_bound invariant_knapsack mixed_binary general_linear
neos-4230265-orari	open	32980	13380	10	19590	76374	189026	Jeff Linderoth	neos-pseudoapplication-57	81765.21022354232*	numerics aggregations precedence variable_bound set_covering invariant_knapsack mixed_binary general_linear
neos-4358725-tagus	open	11494	4898	0	6596	22777	59925	Jeff Linderoth	neos-pseudoapplication-57	4206.140099965*	numerics aggregations precedence variable_bound set_partitioning invariant_knapsack mixed_binary general_linear
neos-4292145-piako	open	32950	13370	0	19580	75834	190186	Jeff Linderoth	neos-pseudoapplication-57	29160.50026450142*	aggregations precedence variable_bound invariant_knapsack mixed_binary general_linear

Reference

No bibliographic information available