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[数列] 線型回帰数列

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hbghlyj posted 2024-4-6 18:34 |Read mode
(日本語:線型回帰数列)
$\an$由下面的递推式定义:
$\displaystyle a_{n}:=c_{1}\,a_{n-1}+c_{2}\,a_{n-2}+\cdots +c_{k}\,a_{n-k},\quad c_{k}\neq 0,\,n\geq k$
若$a_n$全是整数,总能找到$a_n$的另一个递推式,使$c_n$全是整数吗?

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