neos-3615091-sutlej

numerics aggregations precedence variable_bound set_partitioning set_packing cardinality invariant_knapsack mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Hans Mittelmann	205141	449690	1.41044e-05	open	neos-pseudoapplication-45	-1048730.937912077*	neos-3615091-sutlej.mps.gz

Collection of anonymous submissions to the NEOS Server for Optimization

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	205141	203130
Constraints	449690	448680
Binaries	153520	151510
Integers	0	0
Continuous	51621	51620
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	1.41044e-05	1.42430e-05
Nonzeroes	1301130	1298110

Constraint Classification Properties
	Original	Presolved
Total	449690	448680
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	52520	52520
Precedence	245520	245520
Variable Bound	1010	1000
Set Partitioning	1010	1020
Set Packing	100	100
Set Covering	98010	0
Cardinality	990	980
Invariant Knapsack	10	98020
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	0	0
Integer Knapsack	0	0
Mixed Binary	50520	49520
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.

## Warning in lapply(df["exactobjval"], as.numeric): NAs introduced by coercion

ID	Objective	Exact	Int. Viol	Submitter	Date	Description
4	-1048730.9	-1048730.8	6.7e-06	Michael Winkler	2022-08-01	Found with Gurobi 9.5.1 using the special aggressive presolve setting.
3	-1048730.8		7.5e-06	Edward Rothberg	2019-12-13	Obtained with Gurobi 9.0
2	-1007280.4		0.0e+00	Robert Ashford and Alkis Vazacopoulos	2019-12-18	Found using ODH\|CPlex
1	-930273.2	-930273.2	0.0e+00	-	2018-10-15	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-3615091-sutlej 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
gasprod2-2	easy	29568	6826	0	22742	72728	280740	Andrew Stamps	gasprod	1375631.6625	numerics aggregations precedence variable_bound set_packing invariant_knapsack binpacking mixed_binary
neos-2974461-ibar	open	214730	200352	14378	0	214107	2303100	Jeff Linderoth	neos-pseudoapplication-45	468906174.771*	numerics aggregations precedence set_partitioning set_packing integer_knapsack general_linear
ns1631475	open	22696	22470	211	15	24496	116733	NEOS Server Submission	neos-pseudoapplication-75	11100*	decomposition precedence variable_bound set_partitioning cardinality mixed_binary general_linear
unitcal_7	easy	25755	2856	0	22899	48939	127595	R. O’Neill	–	19635558.244	benchmark benchmark_suitable precedence variable_bound mixed_binary general_linear
neos-5041822-cockle	open	227668	149313	0	78355	546733	1362468	Jeff Linderoth	neos-pseudoapplication-25	5724245.704467608*	aggregations precedence variable_bound set_packing mixed_binary

Reference

No bibliographic information available