In the present paper, a fuzzy logic-based method is combined with wavelet decomposition to develop a step-by-step dynamic hybrid model to analyze and approximate one-dimensional physico-financial signals characterized by fuzzy values. Computational tests based on a well-known signal
and conducted with the pure fuzzy model, the wavelet one and the new hybrid model, are developed and result in an efficient hybrid one.
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Document Type: Research Article
Computational Mathematics Laboratory, Department of Mathematics, Faculty of Sciences, 5019, Monastir, Tunisia
Department of Quantitative Methods, Faculty of Economic Sciences and Management, Sidi Messaoud, 5111 Hiboun Mahdia, Tunisia
July 1, 2013