Interatomic potential functions are crucial in cluster research. 原子间势函数在团簇结构和性质的理论研究中十分重要。
Based on the clustering method, the mixing matrix was first estimated by a new potential function using the sparseness of sources. 首先，利用变换后信源的稀疏特征，采用一新的势函数通过聚类算法估计混叠矩阵。
