Category:Digamma Function

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This category contains results about Digamma Function.

The digamma function, $\psi$, is defined, for $z \in \C \setminus \Z_{\le 0}$, by the logarithmic derivative of the gamma function:

$\displaystyle \psi \left({z}\right) = \frac {\Gamma' \left({z}\right)} {\Gamma\left({z}\right)}$

where $\Gamma$ is the gamma function, and $\Gamma'$ denotes its derivative.

Pages in category "Digamma Function"

The following 4 pages are in this category, out of 4 total.