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Function Description

Returns , the value of the gamma function evaluated for a complex number, . The gamma function,  is defined as:



It can thought of as an extension of the factorial function, but offset by one, since it satisfies the following recurrence relationship: .


The Nematrian website calculates this value using a Lanczos approximation and a reflection formula, see MnGamma.


For details of how to pass complex numbers to and from the Nematrian website and on principal values of complex-valued functions please see Complex Numbers Introduction.


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-          Interactively run function

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-          Example calculation

-          Output type / Parameter details

-          Illustrative spreadsheet

-          Other Complex numbers functions

-          Computation units used

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