neos-1445743

benchmark_suitable aggregations invariant_knapsack mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
NEOS Server Submission	20344	2148	9.08146e-04	easy	neos-pseudoapplication-88	-17905	neos-1445743.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	20344	20341
Constraints	2148	2148
Binaries	2150	2147
Integers	0	0
Continuous	18194	18194
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.000908146	0.000908211
Nonzeroes	39685	39682

Constraint Classification Properties
	Original	Presolved
Total	2148	2148
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	19	19
Precedence	0	0
Variable Bound	0	0
Set Partitioning	0	0
Set Packing	0	0
Set Covering	0	0
Cardinality	0	0
Invariant Knapsack	1	1
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	0	0
Integer Knapsack	0	0
Mixed Binary	2128	2128
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	1.301030
Constraint %		0.0465549	0.0465549	0.0465549	0.0465549
Variable %		0.0098300	0.0098300	0.0098300	0.0098300
Score	0.008845

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	-17905	-17905	0	0	0	-	2018-10-11	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-1445743 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-1445765	easy	20617	2150	0	18467	2147	40230	NEOS Server Submission	neos-pseudoapplication-88	-17783	benchmark benchmark_suitable aggregations invariant_knapsack mixed_binary
neos-1445738	easy	20631	2150	0	18481	2145	40256	NEOS Server Submission	neos-pseudoapplication-88	-17380	benchmark_suitable aggregations invariant_knapsack mixed_binary
neos-1445532	easy	14406	1999	0	12407	1924	27736	NEOS Server Submission	neos-pseudoapplication-88	-17041	aggregations invariant_knapsack mixed_binary
supportcase12	easy	799616	0	200	799416	166781	2334437	Michael Winkler	–	-7559.533053817	benchmark benchmark_suitable aggregations variable_bound integer_knapsack mixed_binary general_linear
supportcase23	open	24275	6250	0	18025	40502	161525	Michael Winkler	–	-12160.6593559088*	decomposition precedence mixed_binary

Reference

No bibliographic information available