Braun M (????). sparseHessianFD:An R Package for Estimating Sparse Hessians. R package version 0.2.0, http://CRAN.R-project.org/package=sparseHessianFD.

Corresponding BibTeX entry:

  @Manual{,
    title = {{sparseHessianFD}:An R Package for Estimating Sparse
      Hessians},
    author = {Michael Braun},
    note = {R package version 0.2.0},
    url = {http://CRAN.R-project.org/package=sparseHessianFD},
  }