NISHIO Hirokazu[Translate]
形式的べき級数の形式微分
形式的べき級数Fの形式微分を下記のように定義する
F = \sum_{n=0}^\infty f_n x^n
F' = \sum_{n=1}^\infty n f_n x^{n-1} = \sum_{n=0}^\infty (n + 1) f_{n+1} x^n

Leibniz則(FG)' = F'G + FG'などが成り立つ


"Engineer's way of creating knowledge" the English version of my book is now available on [Engineer's way of creating knowledge]

(C)NISHIO Hirokazu / Converted from [Scrapbox] at [Edit]