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更新线性代数
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870138612 committed Nov 6, 2024
1 parent 0497189 commit 612993f
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8 changes: 4 additions & 4 deletions src/note/higherMathematics.md
Original file line number Diff line number Diff line change
Expand Up @@ -815,11 +815,11 @@ $$
特解要设为y^*=e^{\alpha x}Q_n(x)x^k,\\
其中
\begin{cases}
e^{ax}照抄,\\
Q_n(x)为x的n次多项式,\\
e^{ax}照抄\\
Q_l(x)为x的l次多项式,l=\max\{m,n \}\\
k=\begin{cases}
0,\alpha 不是特征根,\\
1,\alpha是单特征根,\\
0,\alpha 不是特征根\\
1,\alpha是单特征根\\
2,\alpha是二重特征根.
\end{cases}
\end{cases}.
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