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从格序结构理论出发,根据梯形模糊数构成的集合按照一定的比较规则构成一偏序,进而满足一定条件构成格.给出了在应用具有梯形模糊数的多属性格序决策过程中格中缺失元素的补充机理.研究了用格序决策理论对梯形模糊数进行排序的方法,并将其用于投资者对投资方案的选择.
Based on the theory of the structure of the sequence, the set composed of trapezoidal fuzzy numbers forms a partial order according to a certain comparison rule and then satisfies certain conditions to form a lattice. In the process of applying the multi-attribute lattice decision making with trapezoidal fuzzy numbers The mechanism of adding trapezoidal fuzzy numbers by using the theory of order decision making is studied and the method is applied to the investor’s choice of the investment plan.