摘要
利用块特征方程推出块特征值的一个充分条件和一个必要条件。最后让明了块复合矩阵可对角化的一个充要条件。
With block eigenequation, We obtain a sufficient condition and a necessarg condition of eigenvalue in this paper. Finally, a sufficient and necessary condition of the diagonalizable block compound matrices is proved.