摘要
给出了分块矩阵为复半正定的一个充要条件,推广、改进了[1],[3],[4]和[5]的结果。
A complex positive semidefinite necessary and Sufficient condition for a block-ma-trix is given,and it generalized and improved the resuIts in[1],[3],[4] and[5].
关键词
复半正定矩阵
奇异值
M-P逆
分块矩阵
complex positive semi-definite matrix
singular value
Moore-penrose inverse