User:Tohline/Math/EQ Gamma01

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LSU Key.png

<math>~ \Gamma(z) ~\Gamma(1-z) </math>

<math>~=</math>

<math>~ \frac{\pi}{\sin(\pi z)} \, . </math>

     

for example, if
<math>~z \rightarrow (m-n + \tfrac{1}{2})</math>

      <math>~\Rightarrow</math>   

<math>~\Gamma(m-n+\tfrac{1}{2})~\Gamma(n-m+\tfrac{1}{2})</math>

<math>~=</math>

<math>~\pi \biggl\{\sin\biggl[ \frac{\pi}{2} + \pi(m-n) \biggr] \biggr\}^{-1}</math>

 

<math>~=</math>

<math>~\pi (-1)^{m-n} \, .</math>

DLMF §5.5(ii)

Valid for:

   <math>~z \ne0, \pm 1, \pm 2, </math> …