Difference between revisions of "Gauss' formula for gamma function"

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(Created page with "==Theorem== The following formula holds for $z \in \mathbb{C} \setminus \{0,-1,-2,\ldots\}$: $$\Gamma(z) = \displaystyle\lim_{n \rightarrow \infty} \dfrac{n! n^z}{z(z+1)\ldots...")
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Revision as of 07:02, 8 June 2016

Theorem

The following formula holds for $z \in \mathbb{C} \setminus \{0,-1,-2,\ldots\}$: $$\Gamma(z) = \displaystyle\lim_{n \rightarrow \infty} \dfrac{n! n^z}{z(z+1)\ldots(z+n)},$$ where $\Gamma$ denotes the gamma function and $n!$ denotes the factorial.

Proof

References