supportcase26

benchmark benchmark_suitable precedence mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Michael Winkler	436	870	6.56965e-03	easy	–	1745.123813	supportcase26.mps.gz

MIP instances collected from Gurobi forum with unknown application

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	436	436
Constraints	870	830
Binaries	396	396
Integers	0	0
Continuous	40	40
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.00656965	0.00677573
Nonzeroes	2492	2452

Constraint Classification Properties
	Original	Presolved
Total	870	830
Empty	0	0
Free	0	0
Singleton	40	0
Aggregations	0	0
Precedence	38	38
Variable Bound	0	0
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	792	792
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	0.4771212
Constraint %		2.04819	2.28916	2.28916	2.53012
Variable %		4.12844	4.58716	4.58716	5.04587
Score	0.0436610

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	1745.124	1745.124	0	0	0	-	2018-10-15	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to supportcase26 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
neos-5107597-kakapo	easy	3114	2976	0	138	6498	19392	Jeff Linderoth	neos-pseudoapplication-54	3644.99999999952	benchmark benchmark_suitable aggregations precedence mixed_binary
neos-5115478-kaveri	easy	3114	2976	0	138	6498	19392	Jeff Linderoth	neos-pseudoapplication-54	1233.99999999096	numerics aggregations precedence mixed_binary
ic97_potential	easy	728	450	73	205	1046	3138	L. Peeters	–	3941.99993090225	benchmark benchmark_suitable precedence mixed_binary general_linear
liu	open	1156	1089	0	67	2178	10626	X. Liu	–	1084.0*	precedence mixed_binary
icir97_potential	hard	2112	1235	422	455	3314	9942	MIPLIB submission pool	–	6325	precedence mixed_binary general_linear

Reference

No bibliographic information available