neos-4165869-wannon

precedence variable_bound set_partitioning set_packing invariant_knapsack integer_knapsack general_linear

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Hans Mittelmann	31728	85865	9.92811e-05	easy	neos-pseudoapplication-44	293	neos-4165869-wannon.mps.gz

Collection of anonymous submissions to the NEOS Server for Optimization. Solved with COPT 7.0 using up to 12 threads in less than 40 minutes.

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	31728	10468
Constraints	85865	39993
Binaries	480	1123
Integers	31248	9345
Continuous	0	0
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	9.92811e-05	3.17389e-04
Nonzeroes	270474	132874

Constraint Classification Properties
	Original	Presolved
Total	86145	40052
Empty	0	0
Free	0	0
Singleton	634	0
Aggregations	0	0
Precedence	26957	6335
Variable Bound	26040	22892
Set Partitioning	0	7
Set Packing	95	93
Set Covering	0	0
Cardinality	0	0
Invariant Knapsack	146	146
Equation Knapsack	0	0
Bin Packing	0	0
Knapsack	0	0
Integer Knapsack	745	524
Mixed Binary	0	0
General Linear	31528	10055
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	1.963788
Constraint %		0.280049	0.287248	0.280049	0.935164
Variable %		1.069520	1.097750	1.069520	3.638270
Score	0.258360

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	293	293	0	0	0	-	2018-10-15	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to neos-4165869-wannon 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
allcolor10	hard	14872	476	13776	620	34014	89136	Domenico Salvagnin	allcolor	6	decomposition aggregations precedence variable_bound set_partitioning integer_knapsack general_linear
allcolor58	open	84376	2492	78288	3596	197154	515184	Domenico Salvagnin	allcolor	258.0*	decomposition aggregations precedence variable_bound set_partitioning integer_knapsack general_linear
seqsolve1	open	207665	123834	82835	996	242243	1027681	Irv Lustig	seqsolve	4277.0*	aggregations variable_bound set_packing invariant_knapsack binpacking knapsack integer_knapsack general_linear
seqsolve2short4288	open	207665	123834	82835	996	242244	1028179	Irv Lustig	seqsolve	83.9999999999994*	aggregations variable_bound set_packing invariant_knapsack binpacking knapsack integer_knapsack mixed_binary general_linear
tokyometro	open	4537	2496	2041	0	7719	26958	Hsiang-Yun WU	–	8263.099999999999*	aggregations precedence variable_bound set_partitioning equation_knapsack mixed_binary general_linear

Reference

No bibliographic information available