块H矩阵的逆矩阵无穷范数和最小奇异值的估计

摘要

Based on the definition and properties of subclass block Dashnic-Zusmanovich matrix of block H-matrix, the paper works out the inifnity norm of its inverse and the upper bound of norm 1 and obtains the lower bound of the smallest singular value.%利用块H-矩阵的子矩阵块Dashnic-Zusmanovich矩阵的定义式和性质，给出了该类矩阵的逆矩阵无穷范数和1范数的上界，并得到了最小奇异值的下界。