nucorsav

no_solution precedence variable_bound set_partitioning set_packing cardinality invariant_knapsack knapsack mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
Alexandra M. Newman	55410	1812472	2.60586e-04	open	–	NA	nucorsav.mps.gz

scheduling on a continuous steel caster

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	55410	52178
Constraints	1812472	1765823
Binaries	49360	49348
Integers	0	0
Continuous	6050	2830
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.000260586	0.000283025
Nonzeroes	26170400	26077100

Constraint Classification Properties
	Original	Presolved
Total	1812472	1765823
Empty	0	0
Free	0	0
Singleton	0	0
Aggregations	0	0
Precedence	91569	46640
Variable Bound	3440	1720
Set Partitioning	82	82
Set Packing	52266	52266
Set Covering	0	0
Cardinality	106	106
Invariant Knapsack	1653609	1653725
Equation Knapsack	0	0
Bin Packing	10	0
Knapsack	0	12
Integer Knapsack	0	0
Mixed Binary	11390	11272
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)

No solution available for nucorsav .

Similar instances in collection

The following instances are most similar to nucorsav 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
supportcase2	open	2912	2912	0	597385	7653928	Michael Winkler	–	65*	binary aggregations set_covering invariant_knapsack binpacking
supportcase22	hard	7129	7129	0	260602	2228828	Michael Winkler	–	111.0	benchmark binary benchmark_suitable aggregations set_covering invariant_knapsack binpacking knapsack
neos-3402454-bohle	hard	2904	2616	288	2897380	8953800	Jeff Linderoth	neos-pseudoapplication-4	Infeasible	benchmark infeasible benchmark_suitable precedence set_partitioning set_covering invariant_knapsack mixed_binary
neos-3230511-yuna	easy	99472	99456	16	19335696	58613680	Jeff Linderoth	neos-pseudoapplication-4	Unbounded	precedence variable_bound set_partitioning set_covering invariant_knapsack mixed_binary
supportcase10	hard	14770	14770	0	165684	555082	Michael Winkler	–	7	benchmark binary benchmark_suitable aggregations precedence variable_bound set_covering invariant_knapsack

Reference

No paper yet. We have a formulation written in Latex upon request.