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标题: Nekrasov矩阵与Nekrasov矩阵的子直和Subdirect Sums of Nekrasov Matrices and Nekrasov Matrices
作者: 赵晶, 刘丹, 胡汭炎
关键字: Nekrasov矩阵, 子直和, 严格对角占优Nekrasov Matrix, Subdirect Sum, Strictly Diagonally Dominant
期刊名称: 《Advances in Applied Mathematics》, Vol.5 No.4, 2016-11-30
摘要: 本文给出了Nekrasov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。 A sufficient condition ensuring that the subdirect sum of Nekrasov matrix and Nekrasov matrix is in the class of Nekrasov matrices is given. And the conclusion is illustrated by a numerical example.