[−][src]Function mathru::special::hypergeometrical::f21
pub fn f21(a: f64, b: f64, c: f64, z: f64) -> f64
Hypergeometrical function
Arguments
a
> 0.0b
> 0.0c
> 0.0z
< 1.0
Panics
if the argument conditions are not fulfilled
Fore more information: https://en.wikipedia.org/wiki/Hypergeometric_function
The implementation follows the suggested algorithm in the follow: Numerical methods for the computation of the confluent and Gauss hypergeometric functions Pearson et al. 20 Taylor series, Method a) https://arxiv.org/abs/1407.7786 https://arxiv.org/abs/1407.7786
https://cran.r-project.org/web/packages/hypergeo/vignettes/hypergeometric.pdf http://people.maths.ox.ac.uk/porterm/research/pearson_final.pdf