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The capacitated vehicle routing problem (CVRP) is one of the elemental problems in supply chain management. The objective of CVRP is to deliver a set of customers with known demands on minimum-cost vehicle routes originating and terminating at a delivery depot. CVRP is a difficult combinatorial problem, since it contains both the bin packing problem and the traveling salesperson problem as special...
A new hybrid ant colony algorithm (ACA) based on sweep algorithm and 2-opt procedure is developed for solving the capacitated vehicle routing problem (CVRP). After all the ants constructed their solutions but before the pheromone in the routes is updated, each solution might be improved by applying sweep algorithm and 2-opt procedure respectively. 2-opt is to act as an improvement heuristic within...
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