An improvement on a new upper bound for moduli of eigenvalues of iterative matrices
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摘要
In this paper, some improvements on [Int. J. Comput. Math. 80 (June) (2003) 799–803] are presented for a bound for moduli of eigenvalues of iterative matrices. And subsequently, we investigate the relationships among them and show that the new bounds are better than the earlier ones [Int. J. Comput. Math. 53 (1994) 203–217; J. Comput. Math. 7 (2) (1986) 41–46; Int. J. Comput. Math. 80 (June) (2003) 799–803] under some conditions.
论文关键词:Iteration matrix,Eigenvalue,Spectral radius
论文评审过程:Available online 23 June 2005.
论文官网地址:https://doi.org/10.1016/j.amc.2005.04.028