Interatomic potential functions are crucial in cluster research. 原子間勢函數在團簇結構和性質的理論研究中十分重要。
Based on the clustering method, the mixing matrix was first estimated by a new potential function using the sparseness of sources. 首先,利用變換后信源的稀疏特徵,採用一新的勢函數通過聚類演算法估計混疊矩陣。