Bates D, Maechler M (2025). MatrixModels: Modelling with Sparse and Dense Matrices. R package version 0.5-4, https://CRAN.R-project.org/package=MatrixModels.
@Manual{,
title = {MatrixModels: Modelling with Sparse and Dense Matrices},
author = {Douglas Bates and Martin Maechler},
year = {2025},
note = {R package version 0.5-4},
url = {https://CRAN.R-project.org/package=MatrixModels},
}