neos-5261882-treska

decomposition precedence set_partitioning cardinality binpacking knapsack mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Hans Mittelmann	2900	2971	2.24492e-03	hard	neos-pseudoapplication-102	51614.874	neos-5261882-treska.mps.gz

Seem to be VRP output from 2-hour runs of Gurobi on 12 threads is included

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	2900	2586
Constraints	2971	2557
Binaries	2730	2420
Integers	0	0
Continuous	170	166
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.00224492	0.00283709
Nonzeroes	19342	18760

Constraint Classification Properties
	Original	Presolved
Total	2971	2557
Empty	0	0
Free	0	0
Singleton	350	0
Aggregations	0	0
Precedence	16	16
Variable Bound	0	0
Set Partitioning	35	35
Set Packing	0	0
Set Covering	0	0
Cardinality	150	150
Invariant Knapsack	0	0
Equation Knapsack	0	0
Bin Packing	15	15
Knapsack	5	5
Integer Knapsack	0	0
Mixed Binary	2400	2336
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	1.041393
Constraint %		9.50332	9.87876	10.1291	10.1291
Variable %		9.96909	9.99227	10.0077	10.0077
Score	0.889159

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	51614.87	51614.87	0	0	0	Hans Mittelmann	2020-02-07	Solved with Gurobi 9.0 using 48 Threads within 60 hours
1	51614.87	51614.87	0	0	0	-	2018-10-12	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-5261882-treska 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-5266653-tugela	open	23310	22662	0	648	23458	171534	Hans Mittelmann	neos-pseudoapplication-102	65505.2005752763*	decomposition precedence set_partitioning cardinality binpacking knapsack mixed_binary
neos-5260764-orauea	hard	12940	12580	0	360	12304	82620	Hans Mittelmann	neos-pseudoapplication-102	82593.16768840607	decomposition variable_bound set_partitioning cardinality binpacking knapsack mixed_binary
neos-1456979	easy	4605	4245	180	180	6770	36440	NEOS Server Submission	neos-pseudoapplication-102	176	benchmark decomposition benchmark_suitable variable_bound set_partitioning set_packing cardinality knapsack mixed_binary general_linear
ns1905797	open	18192	17676	4	512	51884	239700	NEOS Server Submission	neos-pseudoapplication-102		no_solution aggregations precedence variable_bound set_partitioning cardinality mixed_binary general_linear
neos-2294525-abba	easy	10842	10086	0	756	11122	80010	Jeff Linderoth	neos-pseudoapplication-46	321.1522319	decomposition precedence set_partitioning cardinality mixed_binary

Reference

No bibliographic information available