Definition:Maclaurin Series

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Let $f$ be a real function which is smooth on the open interval $\openint a b$.

Then the Maclaurin series expansion of $f$ is:

$\ds \sum_{n \mathop = 0}^\infty \frac {x^n} {n!} \map {f^{\paren n} } 0$

It is not necessarily the case that this power series is convergent with sum $\map f x$.

Source of Name

This entry was named for Colin Maclaurin.