Abstract
The shortest path problem is among fundamental problems of network optimization. Majority of the optimization algorithms assume that weights of data graph’s edges are pre-determined real numbers. However, in real-world situations, the parameters (costs, capacities, demands, time) are not well defined. The fuzzy set has been widely used as it is very flexible and cost less time when compared with the stochastic approaches. We design a bio-inspired algorithm for computing a shortest path in a network with various types of fuzzy arc lengths by defining a distance function for fuzzy edge weights using \(\alpha \) cuts. We illustrate effectiveness and adaptability of the proposed method with numerical examples, and compare our algorithm with existing approaches.
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Acknowledgments
The work is partially supported Chongqing Natural Science Foundation, Grant No. CSCT, 2010BA2003, the National Natural Science Foundation of China, Grant No. 61174022, R&D Program of China (2012BAH07B01), and the National High Technology Research and Development Program of China (863 Program) (No.2013AA013801).
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Communicated by Bruce A. Conway.
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Zhang, X., Wang, Q., Adamatzky, A. et al. A Biologically Inspired Optimization Algorithm for Solving Fuzzy Shortest Path Problems with Mixed Fuzzy Arc Lengths. J Optim Theory Appl 163, 1049–1056 (2014). https://doi.org/10.1007/s10957-014-0542-6
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DOI: https://doi.org/10.1007/s10957-014-0542-6