摘要
通过对乘积矩阵异值的估计,推广了vonNeumann定理。
By estimating the singular value of product matrix, we generalized the von Neumann theorem and obtained the result which is better than Fanky's.
出处
《北方交通大学学报》
CAS
CSCD
北大核心
1997年第2期226-229,共4页
Journal of Northern Jiaotong University