Function mathru::special::hypergeometric::f21

pub fn f21<T>(a: T, b: T, c: T, z: T) -> T where
    T: Real + Hypergeometric, 

Hypergeometric function

Arguments

• a > 0.0
• b > 0.0
• c > 0.0
• z < 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