Research Article
Collaborative Vehicle Routing Problem in the Urban Ring Logistics Network under the COVID-19 Epidemic
| Framework of VNS: | | Input: neighbor area , = 1, 2, … , | | Initialization: initial solution is given | | while termination condition is not met do: | | | | while ≤ do: | | And is any neighbor of , ; \\Shaking | | Local search of , get ; \\Local search | | If fitness of is better than then: \\Acceptance criteria | | ; | | ; | | else: | | \\Neighborhood change | | return |
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