erf
The error function erf(x) = (2/sqrt(pi)) * integral of e^(-t^2) from 0 to x.
x(number) --
Special Functions
erfc
The complementary error function 1 - erf(x), accurate for large x.
x(number) --
inverseErfc
The x with erfc(x) = p, for 0 < p < 2.
p(number) --
logGamma
ln(Gamma(x)) for x > 0 -- the log of the gamma function, without overflow for large x.
x(number) --
regularizedGammaP
The regularized lower incomplete gamma function P(a, x).
a(number) --x(number) --
regularizedGammaQ
The regularized upper incomplete gamma function Q(a, x) = 1 - P(a, x).
a(number) --x(number) --
inverseRegularizedGammaP
The x with P(a, x) = p.
a(number) --p(number) --
regularizedBeta
The regularized incomplete beta function I_x(a, b).
a(number) --b(number) --x(number) --
regularizedBetaComplement
1 - I_x(a, b), computed directly so it stays accurate near 1.
a(number) --b(number) --x(number) --
inverseRegularizedBeta
The x with I_x(a, b) = p.
a(number) --b(number) --p(number) --