DescriptionTetragamma function plot.png English: Plot of the tetragamma function psi(x) of real argument Date 16 February 2011 Source Own work Author Adavyd...

Species. Forma- References. Localities. tions. PSEUDODIADEMA, COntd. tetragamma, Agass. sp Diadema, id. Agass. Echin. Cor. Suiss.l5.t. 17. f. 39-43.;...

I, the copyright holder of this work, hereby publish it under the following licenses: This file is licensed under the Creative Commons Attribution 3.0...

I, the copyright holder of this work, hereby publish it under the following licenses: This file is licensed under the Creative Commons Attribution 3.0...

I, the copyright holder of this work, hereby publish it under the following licenses: This file is licensed under the Creative Commons Attribution 3.0...

I, the copyright holder of this work, hereby publish it under the following licenses: This file is licensed under the Creative Commons Attribution 3.0...

This is the color function used in the picture above English determination method or standard: SHA-1...

Polygamma function y = ψ ( m ) ( x ) = ( d d x ) m ψ ( x ) = ( d d x ) m + 1 log ⁡ Γ ( x ) {\displaystyle y=\psi ^{(m)}(x)=\left({\frac {d}{dx}}\right)^{m}\psi...