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针对区间数多指标决策过程中区间数运算的不确定性问题,对区间数特性进行集对分析,利用区间数的确定性与不确定性,数量特性与空间位置特性以及这两对特性的相互关系,定义一种新的区间数加法运算和两区间数大小关系判别准则.实例应用表明方法在区间数多指标决策中简明实用.
Aiming at the uncertainty of the operation of interval number in the process of multi-index decision with interval numbers, the set of interval number characteristics is analyzed. By using the certainty and uncertainty of interval numbers, the quantitative characteristics and the spatial location characteristics, And defines a new criterion for determining the relationship between the interval number addition and the size of two intervals.Examples show that the method is concise and practical in the multi-index decision of interval numbers.