An extended VIKOR method for multi attribute decision making under interval type-2 fuzzy sets environment


An extended VIKOR method is proposed for fuzzy multi attribute decision making based on interval type-2 fuzzy sets. A new signed area function with trapezoidal fuzzy number is firstly defined and a new ranking score method is presented consequently. Then, based on the ranking score method, interval type-2 trapezoidal fuzzy number matrix can be converted to… (More)


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