Abstract
As an extension of the intuitionistic fuzzy set, intuitionistic trapezoidal fuzzy set is an invaluable mathematical theory to express uncertain phenomenon in our real word. In this article, the aggregation methods of the intuitionistic trapezoidal fuzzy information are chief researched. Firstly, the generalized aggregation operator is introduced for aggregating intuitionistic trapezoidal fuzzy information, such as the Generalized Intuitionistic Trapezoidal Fuzzy Weighted Averaging operator (GITFWA). Then, various properties of the proposed aggregation operator are established. Finally, I investigate the evaluation of the teaching quality based on the proposed operator under intuitionistic trapezoidal fuzzy environment.
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