严格对角占优矩阵与Nekrasov矩阵的子直和
Subdirect Sums of Strictly Diagonally Dominant Matrices and Nekrasov Matrices
DOI: 10.12677/AAM.2016.53061, PDF,  被引量    国家自然科学基金支持
作者: 赵晶, 胡汭炎, 李耀堂*：云南大学数学与统计学院，云南 昆明
关键词: Nekrasov矩阵；严格对角占优；子直和；Nekrasov Matrix； Strictly Diagonally Dominant； Subdirect Sum
摘要: 给出了严格对角占优矩阵与Nekrasov矩阵的子直和为Nekrasov矩阵的充分条件，并用数值例子对所给结论进行了说明。
Abstract: A sufficient condition ensuring that the subdirect sum of strictly diagonally dominant matrix and Nekrasov matrix is in the class of Nekrasov matrices is given. And the conclusion is illustrated by a numerical example.
文章引用：赵晶, 胡汭炎, 李耀堂. 严格对角占优矩阵与Nekrasov矩阵的子直和[J]. 应用数学进展, 2016, 5(3): 505-515. https://dx.doi.org/10.12677/AAM.2016.53061

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