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Statistical Methods for Fuzzy Data by Reinhard Viertl

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3.5 Differences and quotients

The difference x1* x2* of two fuzzy numbers x1* and x2* are defined, using −x2* := (−1) · x2*, by x1* x2* := x1* ⊕ (−x2*).

The quotient x1* : x2* is defined by the function f (x, y) = x/y, provided that 0 supp (x2*).

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