COMPONENTWISE CONDITION NUMBERS FOR GENERALIZED MATRIX INVERSION AND LINEAR LEAST SQUARES

被引:3
作者
魏益民 [1 ]
许威 [2 ]
乔三正 [3 ]
刁怀安 [4 ]
机构
[1] School of Mathematical Sciences,Fudan University Shanghai 200433 PRC
[2] Department of Computing and Software,McMaster University Hamilton, Ont. L8S 4K1, Canada
[3] Department of Computing and Software,McMaster University Hamilton, Ont. LSS 4K1, Canada
[4] Department of Mathematics,City University of Hong Kong, HKSAR
关键词
Condition numbers; componentwise analysis; generalized matrix inverses; linear least squares;
D O I
暂无
中图分类号
O241.6 [线性代数的计算方法];
学科分类号
070102 ;
摘要
We present componentwise condition numbers for the problems of Moore-Penrose generalized matrix inversion and linear least squares. Also, the condition numbers for these condition numbers are given.
引用
收藏
页码:277 / 286
页数:10
相关论文
共 2 条
  • [1] J. Rohn.Neue Konditionszahlen für Matrizen und lineare Gleichungssysteme[J].Computing,1989
  • [2] James Weldon Demmel.On condition numbers and the distance to the nearest ill-posed problem[J].Numerische Mathematik,1987