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Fuzzy set theory is a powerful tool to describe and process uncertainty information which exist in real world, and fuzzy regression is an important research topic which can be used to fulfill predicting by establishing the functional relationship between fuzzy variables. Trapezoidal fuzzy number is a common one which can represent other types of fuzzy numbers, and least absolute deviation is a robust...
In this paper, we investigate the concept of similarity measure of interval fuzzy sets, propose some formulas to calculate similarity measure of interval-valued fuzzy sets for finite and continuous universal set and apply them to pattern recognition.
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