摘要
讨论了矩阵秩的Frobenius不等式取等号的充分必要条件,刻画了一类矩阵的秩特征.
Necessary and sufficient conditions for the Frobenius inequality of rank of matrix to be equality are dicussed in this paper,and the characterization of rank of a class of matrix is characterized.
出处
《甘肃联合大学学报（自然科学版）》
2005年第2期3-5,共3页
Journal of Gansu Lianhe University :Natural Sciences
关键词
矩阵的秩
幂等阵
对合阵
rank of matrix
idempotent matrix
involutory matrix
