essentially non-negative matrix

• 本性非负矩阵

essentially non-negative matrix的用法和样例：

例句

1. In the addition, we give an upper bound for the spread of a nonnegative matrix.
   另外，我们还给出了非负矩阵分离度的上界估计。
2. A novel method, constrained non-negative matrix factorization, is presented to capture the latent semantic relations.
   提出一种获取在语义的受限非负矩阵分解方法。