Research Article

A Two-Stage Algorithm for the Closed-Loop Location-Inventory Problem Model Considering Returns in E-Commerce

Table 5

Optimal objective function values of two algorithms.

InstanceAlgorithmMaxMinMeanStandard deviationCoefficient of variation

Srivastava 86-8×2AC4023163365433657841967360.537847
LRCAC3552153068423357651589620.473432

Perl 183-12×2AC5981735285385631842576490.457486
LRCAC5537854980375287641497170.283145

Christofides 69-50×5AC6962716209756678644562870.683203
LRCAC6337625828676194582873920.4639411

Christofides 69-75×10AC8907568217898672465647820.651236
LRCAC8436857838048104733956470.488168

Daskin 95-88×8AC11028738984839265865378620.5804771
LRCAC9215878736728969264078160.4546819

Daskin 95-150×10AC1516428125673114783566246380.422522
LRCAC1258904107839611578324283730.3699785