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提出了一种新的基于区间直觉模糊关系和区间直觉模糊数的粗糙集模型。首先,介绍了区间直觉模糊集,区间直觉模糊关系和区间直觉模糊数等概念。然后,利用区间直觉模糊关系和区间直觉模糊数定义了一种新的粗糙集模型,并给出一些基本性质。最后将该模型应用于临床诊断系统中。实例验证了该粗糙集模型的有效性和实用性。
A new rough set model based on interval intuitionistic fuzzy relation and interval intuitionistic fuzzy number is proposed. Firstly, the concepts of interval intuitionistic fuzzy sets, interval intuitionistic fuzzy relations and interval intuitionistic fuzzy numbers are introduced. Then, a new rough set model is defined by using interval intuitionistic fuzzy relation and interval intuitionistic fuzzy number, and some basic properties are given. Finally, the model is applied to clinical diagnosis system. The example verifies the validity and practicability of the rough set model.