In mathematics, the digamma function is defined as the logarithmic derivative of the gamma function:
It is the first of the polygamma functions.
Read more about Digamma Function: Relation To Harmonic Numbers, Integral Representations, Series Formula, Taylor Series, Newton Series, Reflection Formula, Recurrence Formula and Characterization, Gaussian Sum, Gauss's Digamma Theorem, Computation and Approximation, Special Values
Famous quotes containing the word function:
“The intension of a proposition comprises whatever the proposition entails: and it includes nothing else.... The connotation or intension of a function comprises all that attribution of this predicate to anything entails as also predicable to that thing.”
—Clarence Lewis (1883–1964)