lngamma, complex argument

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Silvina Pugliese
Silvina Pugliese on 14 Jan 2016
Answered: Torsten on 14 Jan 2016
I'm working with the trial version of Matlab and I can't use the function 'lngamma'. Any recommendations? Than you in advanced!

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Answers (2)

Alan Weiss
Alan Weiss on 14 Jan 2016
You probably should try to use the function gammaln instead.
Alan Weiss
MATLAB mathematical toolbox documentation
  2 Comments
Torsten
Torsten on 14 Jan 2016
Is it applicable to complex arguments, too ?
Best wishes
Torsten.
Silvina Pugliese
Silvina Pugliese on 14 Jan 2016
Edited: Silvina Pugliese on 14 Jan 2016
Thank you for the answer. The problem is that gammaln is valid only for real arguments. Isn't it?

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Torsten
Torsten on 14 Jan 2016
Use
http://www.mathworks.com/matlabcentral/fileexchange/3572-gamma
and apply "log" to the result.
Best wishes
Torsten.

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