To cite package ‘Matrix’ in publications use:

Bates D, Maechler M, Jagan M (2026). Matrix: Sparse and Dense Matrix Classes and Methods. R package version 1.8-0, https://r-forge.r-project.org/projects/matrix.

Corresponding BibTeX entry:

  @Manual{,
    title = {Matrix: Sparse and Dense Matrix Classes and Methods},
    author = {Douglas Bates and Martin Maechler and Mikael Jagan},
    year = {2026},
    note = {R package version 1.8-0},
    url = {https://r-forge.r-project.org/projects/matrix},
  }