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Translation

Posted on October 6, 2007 by rpflee

Generator of Translation


e^{a \frac{d}{dx}} = \sum_{n=0}^\infty \frac{1}{n!} a^n \left( \frac{d}{dx}\right)^n f(x)


f(x) = \sum_{n=0}^{\infty} \frac{f^{(n)}(a)}{n!}(x-a)^n

f(x+a) = \sum_{n=0}^{\infty} \frac{f^{(n)}(a)}{n!} x^n

f(a+x) = \sum_{n=0}^{\infty} \frac{f^{(n)}(x)}{n!} a^n

= \sum_{n=0}^{\infty} \frac{1}{n!} a^n \left( \frac{d}{dx} \right)^n f(x)


e^{a \frac{d}{dx}} f(x) = f(x+a)

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2007.10.06 Saturday (c) CHK2

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This entry was posted in amaths-wars, Barton Zwiebach, Mathematician, Physicist by rpflee. Bookmark the permalink.
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