pg

benchmark decomposition benchmark_suitable mixed_binary

Submitter	Variables	Constraints	Density	Status	Group	Objective	MPS File
M. Dawande	2700	125	1.54074e-02	easy	–	-8674.34260712	pg.mps.gz

Multiproduct partial shipment model Imported from MIPLIB2010.

Location of instance in collection

Instance Statistics

Detailed explanation of the following tables can be found here.

Size Related Properties
	Original	Presolved
Variables	2700	2700
Constraints	125	125
Binaries	100	100
Integers	0	0
Continuous	2600	2600
Implicit Integers	0	0
Fixed Variables	0	0
Nonzero Density	0.0154074	0.0154074
Nonzeroes	5200	5200

Constraint Classification Properties
	Original	Presolved
Total	125	125
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	125	125
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	2.004321
Constraint %		0.8	0.8	0.8	0.8
Variable %		1.0	1.0	1.0	1.0
Score	0.792000

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	-8674.343	-8674.343	0	8e-07	1e-07	-	2018-10-13	Solution found during MIPLIB2017 problem selection.

Similar instances in collection

The following instances are most similar to pg 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
pg5_34	easy	2600	100	0	2500	225	7700	M. Dawande	–	-14339.35345	benchmark decomposition benchmark_suitable mixed_binary
nh97_potential	easy	1180	630	328	222	1916	5748	MIPLIB submission pool	–	1418	benchmark_suitable mixed_binary general_linear
fhnw-schedule-paira100	open	5150	5050	0	100	10000	29873	Simon Felix	schedule	-15.1131226682367*	variable_bound mixed_binary
fhnw-schedule-paira200	open	20300	20100	0	200	40000	119746	Simon Felix	schedule	-19.157058350349338*	variable_bound mixed_binary
fhnw-schedule-paira400	open	80600	80200	0	400	160000	479504	Simon Felix	schedule	-35.4988125672093*	variable_bound mixed_binary

Reference

@article{DawandeGavirneniTayur2006,
 author = {M. Dawande and S. Gavirneni and S. Tayur},
 instance = {pg,pg5_34},
 journal = {Operations Research},
 language = {English},
 number = {2},
 pages = {337--352},
 title = {Effective Heuristics for Multiproduct Partial Shipment Models},
 volume = {54},
 year = {2006}
}