当A为任意矩阵时，本文沿着2005年陈建新和黎稳研究的思路，得到了谱的Euclid距离的估计，推广并改进了已有的结论。
In this paper , for arbitrary matrix A , the estimates of the Euclid distance between the corresponding spectrums are obtained by utilizing the idea of Chen and Li in 2005.The existing results are generalized .
陈建新