中括号内的序号为寻找聚类中心的迭代运算的次序号。聚类中心的向量值可任意设定，例如可选开始的K个模式样本的向量值作为初始聚类中心。-The number in brackets in order to find the cluster centers iteration sequence number. Cluster center value can be set to, for example, the beginning of an optional mode of samples to the K value as the initial cluster centers.