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矩阵之积的(T,S,2)-逆的反序律 被引量:2

Reverse Order Law for the (T,S,2)-Inverse of a Matrix Product
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摘要  给出了矩阵积的(T,S,2) 逆的反序律成立的充分必要条件.这一结果适用于包括Moore Penrose逆、Drazin逆等在内的大多数常用广义逆矩阵.另外,证明了等式(AB)+MP=(A+MNAB)+NP(ABB+NP)+MN. The necessary and sufficient condition for the validity of the reverse order law for the (T,S,2)-inverse of a matrix product is given. This result applies to the most of the commonly used generalized inverses of matrices including the Moore-Penrose inverse, the Drazin inverse and the others. In addition, the equality (AB)^+_(MP)=(A^+_(MN)AB)^+_(NP)(ABB^+_(NP))^+_(MN) is proved.
作者 陈永林
出处 《南京师大学报(自然科学版)》 CAS CSCD 2004年第3期12-16,共5页 Journal of Nanjing Normal University(Natural Science Edition)
关键词 (T S 2)-广义逆 反序律 矩阵积 (T,S,2)-generalized inverse, reverse order law, matrix product
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参考文献9

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二级参考文献3

共引文献6

同被引文献11

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