lssndrbarbieri@gmail.com Alessandro Barbieri co-maintainers welcome A rich hierarchy of matrix classes, including triangular, symmetric, and diagonal matrices, both dense and sparse and with pattern, logical and numeric entries. Numerous methods for and operations on these matrices, using 'LAPACK' and 'SuiteSparse' libraries. mmaechler+Matrix@gmail.com Martin Maechler https://cran.r-project.org/web/packages/Matrix/ChangeLog https://r-forge.r-project.org/tracker/?group_id=61 https://cran.r-project.org/web/packages/Matrix/Matrix.pdf gentoo-guru-overlay