R/etaphi.r

In logcondens: Estimate a Log-Concave Probability Density from Iid Observations

Defines functions etaphi

Documented in etaphi

etaphi <- function(x, eta) {
  n <- length(x)
  dx <- c(0, diff(x))
  phi <- eta[1] + c(0, cumsum(dx[2:n] * eta[2:n]))
  return(phi)
}

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