Indefinite Least Squares Problem with Quadratic Constraint and its Condition Numbers∗
Indefinite Least Squares Problem with Quadratic Constraint and its Condition Numbers?
投稿时间:2018-08-21  修订日期:2019-02-15
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中文关键词:  
英文关键词:Indefinite least squares problem  Quadratic constraint  Normwise condition number  Mixed condition number  Componentwise condition number.
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作者单位E-mail
mahvish 重庆大学 mahvishsamar@hotmail.com 
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英文摘要:
      In this paper, we consider the indefinite least squares problem with quadratic constraint and its condition numbers. The conditions under which the problem has the unique solution are first presented. Then, the normwise, mixed, and componentwise condition numbers for solution and residual of this problem are derived. Numerical example is also provided to illustrate these results.
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