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Matrix (version 0.9975-2)

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

155,110

Version

0.9975-2

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

Douglas Bates

Last Published

March 11th, 2025

Functions in Matrix (0.9975-2)

Create Diagonal Matrix Object

Virtual Class "Matrix" Class of Matrices

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

Generate a Hilbert matrix

CHMfactor-class

CHOLMOD-based Cholesky factorizations

dtpMatrix-class

Packed triangular dense matrices

CsparseMatrix-class

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

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

dtRMatrix-class

Triangular Sparse Compressed Row Matrices

Extract bands of a matrix

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

dCholCMatrix-class

Cholesky Decompositions of dsCMatrix Objects

Expand a Decomposition into Factors

dgRMatrix-class

Compressed, sparse, row-oriented numeric matrices

Cholesky and Bunch-Kaufman Decompositions

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

Construct a Classed Matrix

SparseM-conversions

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

dsyMatrix-class

Symmetric Dense Numeric Matrices

dtCMatrix-class

Triangular, (compressed) sparse column matrices

Multiplication by Decomposition Factors

Albers' example Matrix with "Difficult" Eigen Factorization

dgeMatrix-class

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

generalMatrix-class

Class "generalMatrix" of General Matrices

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

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

dgTMatrix-class

Sparse matrices in triplet form

Cholesky Decomposition of a Sparse Matrix

Koenker-Ng Example Sparse Model Matrix and Response Vector

symmetricMatrix-class

Virtual Class of Symmetric Matrices in package:Matrix

Permutation matrices

LU (dense) Matrix Decompositions

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

Norm of a Matrix

Sparse QR decomposition of a sparse matrix

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

Schur Decomposition of a Matrix

sparseMatrix-class

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

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

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

lsparseMatrix-classes

Sparse logical matrices

Class "nMatrix" of Non-zero Pattern Matrices

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

externalFormats

Read and write external matrix formats

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

Cross-product of transpose

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

ltrMatrix-class

Triangular Dense Logical Matrices

Triangular Decomposition of a Square Matrix

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

Virtual Class "index" - Simple Class for Matrix Indices

Full Storage Representation of Packed Matrices

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

Sparse LU decomposition of a square sparse matrix

ntrMatrix-class

Triangular Dense Logical Matrices

nsparseMatrix-classes

Sparse logical matrices

Matrix exponential

lsyMatrix-class

Symmetric Dense Logical Matrices

triangularMatrix-class

Virtual Class of Triangular Matrices in package:Matrix

RsparseMatrix-class

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

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

Virtual Classes Not Yet Used

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

dpoMatrix-class

Positive Semi-definite Dense Numeric Matrices

Methods for the qr generic

Estimate the Reciprocal Condition Number