<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/297900be0a2f47a3acb28925be5569dc.png?x-oss-process=image/sharpen,200"/>阶方阵<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/838949495d644198a975a60d5f8c8d1b.png?x-oss-process=image/sharpen,200"/>相似于对角矩阵，则下列不正确的是（）.