Structured perturbations of Drazin inverse

被引：7
|
作者：
Diao, HI [1 ]
机构：
[1] Fudan Univ, Inst Math, Shanghai 200433, Peoples R China
来源：
APPLIED MATHEMATICS AND COMPUTATION | 2004年 / 158卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Drazin inverse; structured perturbations; singular linear system with index k;
D O I：
10.1016/j.amc.2003.08.099
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper the normwise perturbation theory of the Drazin inverse is investigated. We study the following structure matrices: Toeplitz, Hankel matrices. When we take the structure of the matrix, we get that the structured condition number is small compared with unstructured condition number. For specific right hand side we give the estimate and formula of the condition number for structured system. (C) 2003 Elsevier Inc. All rights reserved.
引用
收藏
页码：419 / 432
页数：14
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