FCM算法是一种基于划分的聚类算法，它的思想就是使得被划分到同一簇的对象之间相似度最大，而不同簇之间的相似度最小。(FCM algorithm is a kind of clustering algorithm based on division. Its idea is to make the objects that are divided into the same cluster have the highest similarity, and the similarity among different clusters is the smallest.)