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Line 38: : <math> \psi\left(\frac{1}{2}\right) = -2\ln{2} - \gamma</math> ~~==References==~~ * Milton Abramowitz and Irene A. Stegun, ''[[Handbook of Mathematical Functions]]'', (1964) Dover Publications, New York. ISBN 486-61272-4 . See section [http://www.math.sfu.ca/~cbm/aands/page_258.htm §6.3]▼ * Wolfram Research's MathWorld by Eric Weisstein [http://mathworld.wolfram.com/DigammaFunction.html Digamma function -- from MathWorld]▼ == See also == Line 51 ⟶ 47: * [[Euler-Mascheroni constant]] ==~~External links~~References== ▲* Milton Abramowitz and Irene A. Stegun, ''[[Handbook of Mathematical Functions]]'', (1964) Dover Publications, New York. ISBN 486-61272-4 . See section [http://www.math.sfu.ca/~cbm/aands/page_258.htm §6.3] * [http://mathworld.wolfram.com/DigammaFunction.html Digamma function -- from MathWorld] ▲* Wolfram Research's MathWorld by Eric Weisstein [http://mathworld.wolfram.com/DigammaFunction.html Digamma function -- from MathWorld] [[Category:Special functions]]

Digamma function: Difference between revisions