摘要
证明了可逆次半正定 (非次正定 )矩阵的逆矩阵也次半正定。
It is proved that the inverse matrix of the invertible metapositive semi_definite (non_metapositive definite) matrix is the metapositive semi_definite matrix.
关键词
次半正定矩阵
次正定矩阵
可逆矩阵
metapositive semi_definite matrix, metapositive definite matrix, invertible matrix
