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严格对角占优M-矩阵A的‖A^(-1)‖_∞的新上界 被引量:2

New Upper Bounds on ‖A^(-1)‖_∞ for Strictly Diagonally Dominant M-matrices A
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摘要 利用逆矩阵元素的范围,给出严格对角占优M-矩阵的逆矩阵无穷大范数新的上界估计式,数值算例表明新估计式改进了已有结果. Using the range for the elements of inverse matrix, upper bounds of strictly diagonally dominant Mmatrix are given. The effect of the new upper bounds is shown numerically.
作者 刘新 杨晓英
出处 《北华大学学报(自然科学版)》 CAS 2014年第2期184-187,共4页 Journal of Beihua University(Natural Science)
基金 四川省教育厅自然科学研究基金项目(13ZB0393) 广元市科学技术和知识产权局科技计划项目(GYST20122733) 四川信息职业技术学院科研项目(2012C01)
关键词 严格对角占优矩阵 M-矩阵 逆矩阵 无穷大范数 strictly diagonal dominance matrix M-matrix inverse matrix infinity norm
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参考文献10

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二级参考文献4

  • 1SHIVAKUMAR P N, CHEW K H. A sufficient condition for nonvanishing of determinants [ J ]. Proc Amer Math Soc, 1974,43 (1) :63-66.
  • 2CHENG Guang-hui, HUANG Ting-zhu. An upper bound for ‖A^-1‖∞ of strictly diagonally dominant M - matrices [ J ]. Linear Algebra and its Applications,2007,426 (2/3) :667 - 673.
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  • 4王亚强,李耀堂,孙小军,李艳艳.严格对角占优M-矩阵的‖A^(-1)‖_∞上界的一个新的估计式(英文)[J].山东大学学报(理学版),2010,45(4):43-47. 被引量:10

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