Digamma psi(x) for x > 0 (recurrence + asymptotic series; no scipy dep)

Digamma psi(x) for x > 0 (recurrence + asymptotic series; no scipy dep)

Usage

morie_geron_digamma(x)

Arguments

x

Numeric vector, x > 0.

Value

Numeric vector.

Examples

V <- c(1, 2, 3, 4, 5, 6, 7, 8)
morie_geron_digamma(V)
#> [1] -0.5772157  0.4227843  0.9227843  1.2561177  1.5061177  1.7061177  1.8727843
#> [8]  2.0156415