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In this paper, a meta-heuristic algorithm is presented in order to obtain an undirected and unweighted network with better synchronizability. Recognizing that the eigenratio of the Laplacian matrix of a network can serve as a good measure for synchronizability, it is used to guide the search in the algorithm. The numerical simulations show that the proposed algorithm is capable of significantly improving...
Multi-depot vehicle routing problem (MDVRP) is well-known as a combinatorial optimization problem and it is NP-completed. Existing methods are commonly heuristics, and hence the solutions are suboptimal. In this paper, with a novel design of chromosome structure, a multiple objective genetic algorithm is proposed to tackle with this problem, such that two objectives, namely the total travel distances...
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