Re: [理工] [工數]-差分方程式

[Honor1984 (希望願望成真)]

※ 引述《e761031 ()》之銘言：
: 想請教一題An+2-4An+1+3An=0

A_(n+2) - 4 A_(n+1) + 3 A_n = 0

=> [A_(n+2) - A_(n+1)] = 3 [A_(n+1) - A_n]

Or [A_(n+2) - 3A_(n+1)] = [A_(n+1) - 3A_n]

: 請問An要怎麼求?
: THX

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