File: A1SecondDerivative.R

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r-cran-circular 0.5-1-1
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A1SecondDerivative <- function(kappa) {
  result <- A1(kappa=kappa)/kappa^2 - A1FirstDerivative(kappa=kappa)*(2*A1(kappa=kappa)+(1/kappa))
  return(result)
}