We obtain a set of new sufficient conditions for nonsingular H-matrices by using some subclasses of H-matrices, in particular, which are described by simple functions of matrix elements only.

• 摘要利用H-矩阵的一些子类，特别是其判定条件仅用矩阵元素表示的简单函数的H-矩阵的子类进行H-矩阵的判定，获得了非奇异H-矩阵的一组新的充分条件。