Gamma, digamma etz
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Catégorie :Category: Maths TI-Nspire
Auteur Author: Mauritz Blomqvist
Type : Classeur
Taille Size: 23.14 Ko KB
Mis en ligne Uploaded: 04/01/2009 - 14:50:55
Mis à jour Updated: 01/01/2012 - 20:36:57
Téléchargements Downloads: 467
Visibilité Visibility: Archive publique
Shortlink : https://tipla.net/a1062
Type : Classeur
Taille Size: 23.14 Ko KB
Mis en ligne Uploaded: 04/01/2009 - 14:50:55
Mis à jour Updated: 01/01/2012 - 20:36:57
Téléchargements Downloads: 467
Visibilité Visibility: Archive publique
Shortlink : https://tipla.net/a1062
Description
Gamma ver 1.2. (only tested on the CAS)
This small package does mainly contain an implementation of the Lanczos approximation for calculation of the Gamma function and some various simmilar special functions.
Some of the functions will return exact values in special cases.
Includes gamma(z),lngamma(z),digamma(z),dergamma(z),doublefactorial(z), lowerigamma(a,x),upperigamma(a,x),p(a,x),q(a,x), invp(pr,a),errf(x),errfc(x),beta(x,y),gammaintegrand(z,t),m(a,b,z), lowerigammam(a,z),sgn(x),fib(n),Sterling(x), γ=0.57721566490153, gammapdf(x,k,θ), gammacdf(x,k,θ) and invgammacdf(pr,k,θ)
A suggestion is that you place this in a map under MyLib. Do not forget to update the library access.
This small package does mainly contain an implementation of the Lanczos approximation for calculation of the Gamma function and some various simmilar special functions.
Some of the functions will return exact values in special cases.
Includes gamma(z),lngamma(z),digamma(z),dergamma(z),doublefactorial(z), lowerigamma(a,x),upperigamma(a,x),p(a,x),q(a,x), invp(pr,a),errf(x),errfc(x),beta(x,y),gammaintegrand(z,t),m(a,b,z), lowerigammam(a,z),sgn(x),fib(n),Sterling(x), γ=0.57721566490153, gammapdf(x,k,θ), gammacdf(x,k,θ) and invgammacdf(pr,k,θ)
A suggestion is that you place this in a map under MyLib. Do not forget to update the library access.
