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New Progressive Criteria for Nonsingular H-matrices
Author(s): 
Pages: 405-412
Year: Issue:  3
Journal: Chinese Journal of Engineering Mathematics

Keyword:  H矩阵正对角矩阵不可约矩阵非零元素链;
Abstract: 非奇异H矩阵在数学物理、控制论、电力系统理论等领域具有重要的实际应用价值.本文通过递进选取两个正对角矩阵因子的元素,利用不等式的放缩技巧,给出了非奇异H矩阵一类新的判定方法,并将其推广到不可约情形和非零元素链情形.通过比较分析,此判据放宽了对矩阵各行元素的条件限制,并举例说明了此方法的优越性.
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