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N阶方阵A B相似,A的平方等于A,B的平方等于多少
人气:231 ℃ 时间:2020-09-28 20:21:51
解答
P^-1AP=B
B^2 = P^-1APP^-1AP = P^-1A^2P = P^-1AP = B.
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