digamma: Compute log-density of inverse gamma

Description Usage

View source: R/invgamma_couplings.R

Description

Compute log-density of inverse gamma at x > 0 and with given parameters alpha, beta, given by

alpha * log(beta) - lgamma(alpha) - (alpha+1) * log(x) - beta / x

Usage

1
digamma(x, alpha, beta)

pierrejacob/unbiasedpathsampling documentation built on May 17, 2019, 12:03 p.m.