LOWER BOUNDS FOR THE SMALLEST SINGULAR VALUE VIA PERMUTATION MATRICES

被引：0
|
作者：
Li, Chaoqian [1 ]
Zhou, Xuelin [1 ]
Wang, Hehui [2 ]
机构：
[1] Yunnan Univ, Sch Math & Stat, Kunming 650091, Yunnan, Peoples R China
[2] Jingmen Vocat Coll, Jingmen 448000, Hubei, Peoples R China
来源：
JOURNAL OF MATHEMATICAL INEQUALITIES | 2024年 / 18卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Lower bound; smallest singular value; permutation matrices;
D O I：
10.7153/jmi-2024-18-32
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We in this paper improve the well-known C. R. Johnson's lower bound for the smallest singular value via permutation matrices. A direct algorithm is also given to compute the new lower bound.
引用
收藏
页码：591 / 604
页数：14
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