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Matrix (version 0.995-7)

A Matrix package for R

Description

Classes and methods for numerical linear algebra using Lapack, LDL, and Metis.

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Version

Install

install.packages('Matrix')

Monthly Downloads

91,970

Version

0.995-7

License

GPL version 2 or later. This R package includes code from the Metis package and from NIST. This code is covered by separate copyrights; see the file Copyrights for details. This R package includes code from the University of Florida sparse matrix library maintained by Tim Davis. All sections of that code are covered by the GPL or LGPL licenses. See the directory UFsparse for details.

Maintainer

Douglas Bates

Last Published

August 28th, 2025

Functions in Matrix (0.995-7)

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

Bayesian Information Criterion

Full Storage Representation of Packed Matrices

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

Multiplication by Decomposition Factors

Estimate the Reciprocal Condition Number

Norm of a Matrix

RsparseMatrix-class

Class "RsparseMatrix" of Sparse Matrices in Column-compressed Form

Cross-product of transpose

dtpMatrix-class

Packed triangular dense matrices

Virtual Class "Matrix" Class of Matrices

Schur Decomposition of a Matrix

dCholCMatrix-class

Cholesky Decompositions of dsCMatrix Objects

dtrMatrix-class

Triangular, dense, numeric matrices

Create Diagonal Matrix Object

Extract Fixed Effects

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

(Virtual) Class "dMatrix" of "double" Matrices

lsparseMatrix-classes

Sparse logical matrices

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

dtCMatrix-class

Triangular, (compressed) sparse column matrices

Methods for "[": Extraction or Subsetting in Package 'Matrix'

dgeMatrix-class

Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices

dgRMatrix-class

Compressed, sparse, row-oriented numeric matrices

Virtual Class "index" - Simple Class for Matrix Indices

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

Matrix exponential

Triangular Decomposition of a Square Matrix

Mixed Model Representations and *mer Methods

Koenker-Ng Example Sparse Model Matrix and Response Vector

Construct a Classed Matrix

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

Generate an MCMC sample

Reaction times in a sleep deprivation study

Extract variance and correlation components

corrmatrix-class

Class "corrmatrix"

Permutation matrices

Methods for "[<-" - Assigning to Subsets for 'Matrix'

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

CsparseMatrix-class

Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form

Class "VarCorr"

Expand a Decomposition into Factors

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

sparseMatrix-class

Virtual Class "sparseMatrix" --- Mother of Sparse Matrices

dgTMatrix-class

Sparse matrices in triplet form

triangularMatrix-class

Virtual Class of Triangular Matrices in package:Matrix

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

Fit (Generalized) Linear Mixed-Effects Models

dpoMatrix-class

Positive Semi-definite Dense Numeric Matrices

LU Matrix Decompositions

CHMfactor-class

CHOLMOD-based Cholesky factorizations

dsyMatrix-class

Symmetric Dense Numeric Matrices

lsyMatrix-class

Symmetric Dense Logical Matrices

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

generalMatrix-class

Class "generalMatrix" of General Matrices

Generate a Hilbert matrix

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

ltrMatrix-class

Triangular Dense Logical Matrices

Extract Random Effects

Virtual Classes Not Yet Used

Cholesky and Bunch-Kaufman Decompositions

externalFormats

Read and write external matrix formats

symmetricMatrix-class

Virtual Class of Symmetric Matrices in package:Matrix