what is the inverse of a factorial function? Its is not continuous but is modeled by the gamma function which is continuous so must have a inverse any research leads to the inverse gamma function that is a statistical distribution. Is a inverse gamma and is so what is its definition?
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1http://mathoverflow.net/questions/12828/inverse-gamma-function – qwenty Jul 15 '15 at 12:23
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http://math.stackexchange.com/questions/1624347/what-approximations-for-the-gamma-functions-inverse-appear-to-work-best – Jonathan Feb 21 '17 at 23:08
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Does this answer your question? Inverse factorial function – Silverfish Aug 10 '23 at 18:34
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Actually a better target is probably Inverse of a factorial – Silverfish Aug 10 '23 at 23:45