tr12-30

benchmark decomposition benchmark_suitable aggregations variable_bound mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
MIPLIB submission pool	1080	750	3.0963e-03	easy	–	130595.9999999999	tr12-30.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	1080	1072
Constraints	750	742
Binaries	360	352
Integers	0	0
Continuous	720	720
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.00309630	0.00312286
Nonzeroes	2508	2484

Constraint Classification Properties
	Original	Presolved
Total	750	742
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	12	12
Precedence	0	0
Variable Bound	360	352
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	378	378
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	1.113943
Constraint %		7.95148	7.99641	7.95148	8.08625
Variable %		8.24074	8.27160	8.24074	8.33333
Score	0.880194

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	130596	130596	0	0	0	-	2018-10-11	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to tr12-30 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
bg512142	hard	792	240	552	1307	3953	A. Miller	–	184202.75	aggregations precedence variable_bound mixed_binary
dg012142	hard	2080	640	1440	6310	14795	A. Miller	–	2300867	aggregations precedence variable_bound mixed_binary
neos-3754480-nidda	easy	253	50	203	402	1488	Jeff Linderoth	neos-pseudoapplication-107	12941.73838561778	benchmark benchmark_suitable precedence variable_bound knapsack mixed_binary
exp-1-500-5-5	easy	990	250	740	550	1980	MIPLIB submission pool	exp_and_fc	65887	benchmark benchmark_suitable variable_bound set_packing mixed_binary
set3-09	open	4019	1424	2595	3747	13747	Kerem Akartunali	set3	176497.15*	precedence variable_bound mixed_binary

Reference

No bibliographic information available