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  • 实对称矩阵

    book

    March08,2021

    Q: $$ \begin{cases} \lambda\_1=3, \alpha\_1=(1,2,-1)^T \\ \lambda\_2=2, \\ \lambda\_2=2, \\ \end{cases} $$ 求 A 属于 2 的特...

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  • 对角化

    book

    March08,2021

    Q: A~B,则$A^2\sim B^2$ A: 正确 Q: $$ A\_1 \sim A\_2, B\_1 \sim B\_2 \rightarrow \begin{pmatrix} A\_1 & O \\ O & B\_1 \\ ...

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