To cite package ‘MatrixExtra’ in publications use:

  Cortes D (2024). _MatrixExtra: Extra Methods for Sparse Matrices_. R
  package version 0.1.15,
  <https://github.com/david-cortes/matrixextra>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {MatrixExtra: Extra Methods for Sparse Matrices},
    author = {David Cortes},
    year = {2024},
    note = {R package version 0.1.15},
    url = {https://github.com/david-cortes/matrixextra},
  }