说明：  subclutering initializing fcm: 开发语言：matlab 功能：使用减法聚类初始化fcm算法的聚类中心，可以快速找到合适的初始聚类中心
(subclutering initializing fcm: the development of language: matlab function: the use of subtraction FCM clustering algorithm to initialize the cluster centers, can quickly find a suitable initial cluster centers)