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rank(A-AN(M^T AN)^- M^T A)=rank(A)-rank(AN(M^T AN)^- M^T A)成立的一个充分必要条件

A necessary and sufficient condition for rank(A-AN(M^T AN)^- M^T A)=rank(A)-rank(AN(M^T AN)^- M^T A)
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摘要 借助于矩阵对的标准相关分解(canonical correlation decomposition)及矩阵A的满秩分解,得到了秩等式rank( A- AN( M^T AN)^- M^T A) = rank( A)- rank( AN( M^T AN)^- M^T A)成立的一个充分必要条件。 In this paper, by applying the canonical correlation decomposition of the matrix pair and the full rank decomposition of the matrix A, we obtain a necessary and sufficient condition for the validity of the rank subtractivity formula rank(A -AN(MTAN) - MTA) = rank(A) - rank(AN(MT AN) - MT A).
作者 张骞 袁永新
出处 《湖北师范学院学报(自然科学版)》 2016年第1期90-93,共4页 Journal of Hubei Normal University(Natural Science)
关键词 秩等式 标准相关分解(CCD) 满秩分解 广义逆 rank equality canonical correlation decomposition(CCD) full rank decomposition generalized inverse
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