摘要
设A∈Mn(C) ,本文进一步讨论复矩阵方程Xm =A的解,给出矩阵A无m方根的一些充分条件.
Let A ∈M_n(C), in this paper, we directly give some sufficient conditions to test the nonexistence of mroots by the necessary and sufficient condition for a matrix A which have mroots.
出处
《周口师范学院学报》
CAS
2005年第2期6-8,共3页
Journal of Zhoukou Normal University
关键词
方程
约当标准形
约当块
秩
equation
Jordan’s normal form
Jordan blocks
rank
