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Thanks a lot

- Thread starter iVenky
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- #1

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Thanks a lot

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Mute

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- #3

arildno

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The gamma function extends the factorial function in that the gamma function is well defined for a lot of other numbers as well, not just for the naturals, to which the factorial is restricted.

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As already said :

- The factorial function is not derivable.

- The extension of the factorial function, i.e. the Gamma function, is derivable.

About the derivative of the Gamma function, see:

http://mathworld.wolfram.com/DigammaFunction.html

The logarithmic derivative of the Gamma function is the digamma function.

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