[−][src]Function mathru::special::gamma::gamma_l
pub fn gamma_l<T>(a: T, x: T) -> T where
T: Real + Gamma,
Lower incomplete gamma function
\gamma(s,x) = \int_0^x t^{s-1}\,\mathrm{e}^{-t}\,{\rm d}t
Fore more information: https://en .wikipedia.org/wiki/Incomplete_gamma_function# Regularized_Gamma_functions_and_Poisson_random_variables
Arguments
a
x
Example
use mathru::special::gamma; let a: f64 = 0.5_f64; let x: f64 = 0.3_f64; let gamma_l: f64 = gamma::gamma_l(a, x);