Condition numbers for structured least squares problems

被引：17
|
作者：
Xu, W [1 ]
Wei, Y
Qiao, S
机构：
[1] McMaster Univ, Dept Comp & Software, Hamilton, ON L8S 4L7, Canada
[2] Fudan Univ, Sch Math Sci, Shanghai 200433, Peoples R China
[3] Fudan Univ, Key Lab Math Nonlinear Sci, Minist Educ, Shanghai 200433, Peoples R China
来源：
BIT NUMERICAL MATHEMATICS | 2006年 / 46卷 / 01期
基金：
加拿大自然科学与工程研究理事会; 中国国家自然科学基金;
关键词：
condition numbers; symmetric matrix; skewsymmetric matrix; Toeplitz matrix; Hankel matrix; circulant matrix and structured matrix;
D O I：
10.1007/s10543-006-0049-0
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
This paper studies the normwise perturbation theory for structured least squares problems. The structures under investigation are symmetric, persymmetric, skewsymmetric, Toeplitz and Hankel. We present the condition numbers for structured least squares.
引用
收藏
页码：203 / 225
页数：23
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