∞
Special Functions
Gamma, beta, error, and Bessel functions.
besseli
Modified Bessel function of the first kind.
besseli(nu, x) → r
besselj
Bessel function of the first kind.
besselj(nu, x) → r
besselk
Modified Bessel function of the second kind.
besselk(nu, x) → r
bessely
Bessel function of the second kind.
bessely(nu, x) → r
beta
Beta function. Computes B(a, b) = Gamma(a)*Gamma(b)/Gamma(a+b).
beta(a, b) → r
erf
Gauss error function.
erf(x) → r
erfc
Complementary error function. Computes 1 - erf(x).
erfc(x) → r
gamma
Gamma function.
gamma(x) → r
lgamma
Log-gamma function. Computes ln(|Gamma(x)|).
lgamma(x) → r