利用不可约对角占优矩阵A的逆矩阵A-1元素的上界估计式给出了‖A-1‖∞上界的新的估计式,这些估计式改进了现有的结果。
Using the upper bound of elements in inverse matrix A-1 of Irreducible diagonally dominant matrix,the new estimation of upper bound in‖A-1‖∞ was given,and improved the existing results.