https://r-forge.r-universe.dev/Matrixhttps://r-forge.r-universe.dev/api/packages/Matrixhttps://r-forge.r-universe.dev/Matrix/Matrix.pdfhttps://r-forge.r-universe.dev/Matrix/doc/manual.htmlhttps://r-forge.r-universe.dev/Matrix/NEWShttps://r-forge.r-universe.dev/Matrix/NEWS.txthttps://r-forge.r-universe.dev/Matrix/citationhttps://r-forge.r-universe.dev/Matrix/citation.txthttps://r-forge.r-universe.dev/Matrix/citation.cffhttps://r-forge.r-universe.dev/Matrix/doc/Intro2Matrix.Rnwhttps://r-forge.r-universe.dev/articles/Matrix/Intro2Matrix.pdfhttps://r-forge.r-universe.dev/Matrix/doc/Comparisons.Rnwhttps://r-forge.r-universe.dev/articles/Matrix/Comparisons.pdfhttps://r-forge.r-universe.dev/Matrix/doc/Design-issues.Rnwhttps://r-forge.r-universe.dev/articles/Matrix/Design-issues.pdfhttps://r-forge.r-universe.dev/Matrix/doc/Introduction.Rnwhttps://r-forge.r-universe.dev/articles/Matrix/Introduction.pdfhttps://r-forge.r-universe.dev/Matrix/doc/sparseModels.Rnwhttps://r-forge.r-universe.dev/articles/Matrix/sparseModels.pdf