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$\displaystyle z_{n+1}=z_{n}-a{\frac {p(z_{n})}{p'(z_{n})}}$ 如果$p$是$d$次多项式,则当是$a$位于以$d$为圆心、半径为$d$的圆盘内时,序列 $z_n$是有界的。
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2025-5-31 10:55 GMT+8
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