in

aggregations variable_bound mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Armin Fuegenschuh	1449074	1526202	3.07999e-06	hard	–	58	in.mps.gz

Packing of paths, multicommodity flow formulation. Solved in December 2013 by Gurobi development version. Imported from MIPLIB2010.

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	1449074	1447366
Constraints	1526202	1506554
Binaries	1489	1477
Integers	0	0
Continuous	1447585	1445889
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	3.07999e-06	3.10542e-06
Nonzeroes	6811640	6771490

Constraint Classification Properties
	Original	Presolved
Total	1526202	1506554
Empty	0	0
Free	0	0
Singleton	905	0
Aggregations	43	295
Precedence	0	0
Variable Bound	1447585	1429205
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	77669	77054
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
Constraint %
Variable %
Score

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
2	58	58	0	0e+00	0	-	2018-10-10	Solution imported from MIPLIB2010.
1	271	271	0	6e-07	0	-	2018-10-10	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to in 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
neos-3740487-motru	open	1689612	75566	1614046	4936372	26433474	Jeff Linderoth	neos-pseudoapplication-61	164.4691736839999*	precedence variable_bound set_partitioning set_packing invariant_knapsack binpacking knapsack mixed_binary
neos-873061	easy	175288	87644	87644	93360	350576	NEOS Server Submission	neos-pseudoapplication-61	113.6562385063	benchmark decomposition benchmark_suitable precedence variable_bound mixed_binary
neos-872648	easy	175219	87575	87644	93291	350438	NEOS Server Submission	neos-pseudoapplication-61	48.60790603143	decomposition precedence variable_bound mixed_binary
neos-3208254-reiu	open	3154336	3743	3150593	9464908	25080218	Jeff Linderoth	neos-pseudoapplication-98	-34897.00052514407*	aggregations precedence variable_bound set_partitioning set_covering cardinality mixed_binary general_linear
neos-3755335-nizao	easy	40938	5226	35712	111026	547794	Jeff Linderoth	neos-pseudoapplication-61	50.0301565326	benchmark_suitable precedence variable_bound set_partitioning set_packing invariant_knapsack binpacking knapsack mixed_binary

Reference

No bibliographic information available