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lngamma, complex argument

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Silvina Pugliese
Silvina Pugliese 2016-1-14
回答： Torsten 2016-1-14
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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回答（2 个）

Alan Weiss
Alan Weiss 2016-1-14
You probably should try to use the function gammaln instead.
Alan Weiss
MATLAB mathematical toolbox documentation
  2 个评论
Torsten
Torsten 2016-1-14
Is it applicable to complex arguments, too ?
Best wishes
Torsten.
Silvina Pugliese
Silvina Pugliese 2016-1-14
编辑：Silvina Pugliese 2016-1-14
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 2016-1-14
Use
http://www.mathworks.com/matlabcentral/fileexchange/3572-gamma
and apply "log" to the result.
Best wishes
Torsten.

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