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Matrix (version 0.99875-0)

A Matrix package for R

Description

Classes and methods for dense and sparse matrices and operations on them using Lapack, CSparse and CHOLMOD

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Version

Install

install.packages('Matrix')

Monthly Downloads

110,389

Version

0.99875-0

License

GPL version 2 or later. This R package includes libraries CHOLMOD, AMD, COLAMD and CSparse 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 doc/UFsparse for details.

Maintainer

Doug and Martin

Last Published

August 28th, 2025

Functions in Matrix (0.99875-0)

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

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

Schur Decomposition of a Matrix

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

"Matrix" Methods for Functions all() and any()

CsparseMatrix-class

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

dtRMatrix-class

Triangular Sparse Compressed Row Matrices

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

Generate a Hilbert matrix

dpoMatrix-class

Positive Semi-definite Dense Numeric Matrices

Extract bands of a matrix

Koenker-Ng Example Sparse Model Matrix and Response Vector

Virtual Class "Matrix" Class of Matrices

Construct a Classed Matrix

Virtual Class "index" - Simple Class for Matrix Indices

Create Diagonal Matrix Object

externalFormats

Read and write external matrix formats

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

RsparseMatrix-class

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

dgRMatrix-class

Compressed, sparse, row-oriented numeric matrices

Construct a Block Diagonal Matrix

dgeMatrix-class

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

Expand a Decomposition into Factors

Triangular Decomposition of a Square Matrix

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

Norm of a Matrix

Versions of 'cbind' and 'rbind' recursively built on cbind2/rbind2

dgTMatrix-class

Sparse matrices in triplet form

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

Virtual Classes Not Yet Used

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

Matrix exponential

dtCMatrix-class

Triangular, (compressed) sparse column matrices

ltrMatrix-class

Triangular Dense Logical Matrices

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

Class "nMatrix" of Non-zero Pattern Matrices

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

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices

lsparseMatrix-classes

Sparse logical matrices

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

Cholesky Decomposition of a Sparse Matrix

dtpMatrix-class

Packed triangular dense matrices

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

Albers' example Matrix with "Difficult" Eigen Factorization

lsyMatrix-class

Symmetric Dense Logical Matrices

generalMatrix-class

Class "generalMatrix" of General Matrices

Sparse LU decomposition of a square sparse matrix

CHMfactor-class

CHOLMOD-based Cholesky Factorizations

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

ntrMatrix-class

Triangular Dense Logical Matrices

Permutation matrices

sparseMatrix-class

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

Multiplication by Decomposition Factors

atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors

kronecker-methods

Methods for Function 'kronecker()' in Package 'Matrix'

dCholCMatrix-class

Cholesky Decompositions of dsCMatrix Objects

Cross-product of transpose

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

Full Storage Representation of Packed Matrices

Methods for the qr generic

Cholesky and Bunch-Kaufman Decompositions

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

nsparseMatrix-classes

Sparse logical matrices

Sparse QR decomposition of a sparse matrix

dsyMatrix-class

Symmetric Dense Numeric Matrices

Estimate the Reciprocal Condition Number

SparseM-conversions

Sparse Matrix Coercion from and to those from package "SparseM"

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

triangularMatrix-class

Virtual Class of Triangular Matrices in package:Matrix

symmetricMatrix-class

Virtual Class of Symmetric Matrices in package:Matrix

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

LU (dense) Matrix Decompositions

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

The Number of Non-Zero Values of a Matrix