Please cite this material in publications as:

  Kostyrka, Andreï V. (2025). pnd: Parallel Numerical Derivatives,
  Gradients, Jacobians, and Hessians of Arbitrary Accuracy Order. R
  package version 0.0.9. https://github.com/Fifis/pnd

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pnd: Parallel Numerical Derivatives, Gradients, Jacobians, and Hessians of Arbitrary Accuracy Order},
    author = {Andreï Victorovitch Kostyrka},
    year = {2025},
    note = {R package version 0.0.9},
    organization = {University of Luxembourg},
    url = {https://github.com/Fifis/pnd},
  }

  Kostyrka, Andreï V. (2025). Fast and accurate parallel numerical
  derivatives in R. Vignette for the R package pnd 0.0.9.

A BibTeX entry for LaTeX users is

  @Misc{,
    title = {Fast and accurate parallel numerical derivatives in R},
    author = {Andreï Victorovitch Kostyrka},
    year = {2025},
    organization = {University of Luxembourg},
    note = {Vignette for the R package pnd 0.0.9.},
    url = {https://github.com/Fifis/pnd/tree/main/vignettes},
  }

  Kostyrka, Andreï V. (2025). Step-size-selection algorithm benchmark.
  Vignette for the R package pnd 0.0.9.

A BibTeX entry for LaTeX users is

  @Misc{,
    title = {Step-size-selection algorithm benchmark},
    author = {Andreï Victorovitch Kostyrka},
    year = {2025},
    organization = {University of Luxembourg},
    note = {Vignette for the R package pnd 0.0.9.},
    url = {https://github.com/Fifis/pnd/tree/main/vignettes},
  }

  Kostyrka, Andreï V. (2025). Compatilibility of pnd with the syntax of
  numDeriv. Vignette for the R package pnd 0.0.9.

A BibTeX entry for LaTeX users is

  @Misc{,
    title = {Compatilibility of pnd with the syntax of numDeriv},
    author = {Andreï Victorovitch Kostyrka},
    year = {2025},
    organization = {University of Luxembourg},
    note = {Vignette for the R package pnd 0.0.9.},
    url = {https://github.com/Fifis/pnd/tree/main/vignettes},
  }