On the extrema of linear least-squares problems

被引：4
|
作者：
Phohomsiri, P [1 ]
机构：
[1] Univ So Calif, Dept Aerosp & Mech Engn, Los Angeles, CA 90089 USA
来源：
JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS | 2005年 / 127卷 / 03期
关键词：
least-squares problems; generalized inverses; residual functions;
D O I：
10.1007/s10957-005-7509-6
中图分类号：
C93 [管理学]; O22 [运筹学];
学科分类号：
070105 ; 12 ; 1201 ; 1202 ; 120202 ;
摘要：
We use the concept of generalized inverses to show that the extrema of the function G(x)= parallel to Ax - b parallel to(2) are minima, A being a rectangular matrix not necessarily of full rank.
引用
收藏
页码：665 / 669
页数：5
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