Digamma Function

A Digamma Function is a Mathematics that ...

• See: Polygamma Function, Mathematics, Logarithmic Derivative, Gamma Function.

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References

2015

• (Wikipedia, 2015) ⇒ http://en.wikipedia.org/wiki/digamma_function Retrieved:2015-6-25.
  • In mathematics, the digamma function is defined as the logarithmic derivative of the gamma function:  : [math]\displaystyle{ \psi(x) =\frac{d}{dx} \ln{\Gamma(x)}= \frac{\Gamma'(x)}{\Gamma(x)}. }[/math] It is the first of the polygamma functions.

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