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二阶矩阵的特征多项式怎么求
更新时间: 2020-10-29 00:00:00  

二阶矩阵特征多项式是二次多项式,已知它的两个根是1和2,所以特征多项式就是(t-1)(t-2)即t^2-3t+2。二阶矩阵就是2纵2列,共4个元素。对于求解线性递推数列,我们还经常使用生成函数法,而对于常系数线性递推数列,其生成函数是一个有理分式,其分母即特征多项式。

关键词: 矩阵 特征 多项式 怎么

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