Image:Digamma function.png

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digamma function

y=\psi(x) =\frac{d}{dx} \ln{\Gamma(x)}= \frac{\Gamma'(x)}{\Gamma(x)}.

Created with MuPAD Light:

  • f:=plot::Function2d(psi(x),x=-5..10,y=-10..10,Grid=[400]);

plot(f, Scaling= Constrained,Ticks = [[-5.0..10.0, 1.00000, 1], [-10.002000..10.002000, 5.000000, 1]] );

Description

digamma function

Source

KENPEI's data

Date

2005-12-04

Author

KENPEI

Permission
(Reusing this image)

GFDL,Creative Commons Attribution ShareAlike 2.1 Japan License


GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation license, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation license".

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This file is licensed under Creative Commons Attribution ShareAlike 2.1 Japan License

このファイルクリエイティブ・コモンズに示される表示 - 継承 2.1 日本のライセンスの元提供されています。

Historique du fichier

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Date et heureDimensionsUtilisateurCommentaire
actuel10 décembre 2005 à 06:37477×582 (4 Kio)KENPEI (digamma function <math>\psi(x) =\frac{d}{dx} \ln{\Gamma(x)}= \frac{\Gamma'(x)}{\Gamma(x)}.</math> Created with MuPAD Light: *f:=plot::Function2d(psi(x),x=-5..10,y=-10..10,Grid=[400]); plot(f, Scaling= Constrained,Ticks = [[-5.0..10.0, 1.00000, 1], [-10.)

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