Paul Gilbert. Maintainer.
Gilbert P, Varadhan R (2019). numDeriv: Accurate Numerical Derivatives. R package version 2016.8-1.1, https://CRAN.R-project.org/package=numDeriv.
@Manual{,
title = {numDeriv: Accurate Numerical Derivatives},
author = {Paul Gilbert and Ravi Varadhan},
year = {2019},
note = {R package version 2016.8-1.1},
url = {https://CRAN.R-project.org/package=numDeriv},
}