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beta_continued_fraction_jet

helixrs::models::student_t

Function beta_continued_fraction_jet 

fn beta_continued_fraction_jet(
    a: Jet2<f64>,
    b: Jet2<f64>,
    x: Jet2<f64>,
) -> Jet2<f64>
Expand description

beta_continued_fraction in Jet2 on its parameters: the termwise derivative of the fraction converges to the incomplete beta’s (Boik & Robison-Cox 1998), and the loop runs until the value and both derivative components of each factor have settled.