Matrices with special sign patterns of signed generalized inverses

被引：7
|
作者：
Shao, JY [1 ]
He, JL [1 ]
Shan, HY [1 ]
机构：
[1] Tongji Univ, Dept Appl Math, Shanghai 200092, Peoples R China
来源：
SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS | 2003年 / 24卷 / 04期
关键词：
matrix; sign; generalized inverse;
D O I：
10.1137/S0895479802401485
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
A real matrix A is said to have a signed generalized inverse (GI) if the sign pattern of its GI A(+) is uniquely determined by the sign pattern of A. We characterize those sign-pattern matrices with a signed GI, and the GI of it is nonnegative, or is positive, or has no zeros.
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页码：990 / 1002
页数：13
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