neos-3530905-gaula

decomposition general_linear

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Jeff Linderoth	2090	200	9.54545e-03	hard	neos-pseudoapplication-105	159	neos-3530905-gaula.mps.gz

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	2090	2090
Constraints	200	200
Binaries	190	190
Integers	1900	1900
Continuous	0	0
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.00954545	0.00954545
Nonzeroes	3990	3990

Constraint Classification Properties
	Original	Presolved
Total	200	200
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	0	0
Precedence	0	0
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	0	0
General Linear	200	200
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	2.281033
Constraint %		0.500000	0.500000	0.500000	0.500000
Variable %		0.526316	0.526316	0.526316	0.526316
Score	0.945000

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	159	159	0	0	0	Frederic Didier	2020-01-22	Solved with Google OR-tools using 8 Threads through generating subproblems by fixing part of the current solution and trying to solve them with a sub CP-SAT solver
1	159	159	0	0	0	-	2018-10-16	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-3530905-gaula 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	Constraints	Nonz.	Submitter	Group	Objective	Tags
neos-3530903-gauja	easy	2310	420	1890	220	4410	Jeff Linderoth	neos-pseudoapplication-105	168	decomposition benchmark_suitable mixed_binary general_linear
neos-3381206-awhea	easy	2375	475	1900	479	4275	Jeff Linderoth	neos-pseudoapplication-105	453	benchmark decomposition benchmark_suitable integer_knapsack general_linear
neos-3426085-ticino	open	4688	879	3809	308	9083	Jeff Linderoth	neos-pseudoapplication-105	225*	decomposition mixed_binary general_linear
neos-3426132-dieze	open	11550	2750	8800	570	22550	Jeff Linderoth	neos-pseudoapplication-105	407*	decomposition mixed_binary general_linear
neos-4165869-wannon	easy	31728	480	31248	85865	270474	Hans Mittelmann	neos-pseudoapplication-44	293	precedence variable_bound set_partitioning set_packing invariant_knapsack integer_knapsack general_linear

Reference

No bibliographic information available