Ranking Z-Numbers by the convex combination Method

Because the concept is relatively new Z-number in fuzzy sets, hence, this article introduces a method for ranking Z- numbers using convex combination, Center of gravity, the mean value and standard deviations.

کلیدواژه ها:

Z-numbers ، Fuzzy numbers ، Ranking of Z-numbers ، Standard deviation ، Convex combination ، The gravity center.