51| 9
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求证存在可逆矩阵$Q$使得$\sigma(X)=Q^{-1}XQ$ |
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楼主|
abababa
发表于 2023-6-6 13:19
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楼主|
abababa
发表于 2023-6-6 15:56
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楼主|
abababa
发表于 2023-6-6 16:04
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楼主|
abababa
发表于 2023-6-6 19:53
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GMT+8, 2025-3-4 11:56
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