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Fuzzy similar priority method for mixed attributes. (English) Zbl 1437.03156

Summary: Fuzzy similar priority ratio method is to select the most suitable one to the specific object from feasible alternatives. However, this method considering only the index values of real number has its disadvantages of inaccuracy in result and complexity in calculation. So, this method was extended to handle mixed attributes including real number, interval number, triangular fuzzy number, and trapezoidal fuzzy number. The proposed method decides the optimal alternative by the minimum of integrated nearness degrees calculated by all index vectors and the fixed index vectors based on the theory of similarity. The improved method can not only address mixed attributes but also simplify the calculation and improve the accuracy of result. A case study illustrated this method.

MSC:

03E72 Theory of fuzzy sets, etc.
91B06 Decision theory
68T37 Reasoning under uncertainty in the context of artificial intelligence
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