To cite package ‘MatrixExtra’ in publications use:

Cortes D (2024). MatrixExtra: Extra Methods for Sparse Matrices. R package version 0.1.15, https://CRAN.R-project.org/package=MatrixExtra.

Corresponding BibTeX entry:

  @Manual{,
    title = {MatrixExtra: Extra Methods for Sparse Matrices},
    author = {David Cortes},
    year = {2024},
    note = {R package version 0.1.15},
    url = {https://CRAN.R-project.org/package=MatrixExtra},
  }