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更新秦九韶算法
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xy3xy3 committed Jun 3, 2024
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Expand Up @@ -28,11 +28,10 @@ $C_p\geqslant 10$ 就认为问题是病态的

**秦九韶算法**

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$p(x)=a_0x^n+a_1x^{n-1}+\cdotp\cdotp\cdotp+a_{n-1}x+a_n=(\cdots(a_0x+a_1)x+\cdots+a_{n-1})x+a_n \quad a_0\neq0$

$\begin{cases}b_0=a_0,\\b_i=b_{i-1}x^*+a_i,\quad i=1,2,\cdotp\cdotp\cdotp,n,\end{cases}$

$b_{n}=p(x^{*})$ 为所求
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