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Manuals/calci/GAMMAFUNCTION (view source)
Revision as of 19:49, 28 November 2016
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==gamma==
<div style="font-size:30px">'''GAMMAFUNCTION (z)'''</div><br/>
*<math>z</math> is any positive real number.
==Description==
*This function gives the value of the Gamma function.
*The Gamma function is defined to be an extension of the factorial to complex and real number arguments.
*That is, if n is a positive integer:
<math>\Gamma (n)=(n-1)!</math>
*Gamma function is defined for all complex numbers except the non-positive integers.
*For complex numbers with a positive real part, it is defined via a convergent improper integral: