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Matrix (version 0.9975-9)

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

0.9975-9

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

March 11th, 2025

Functions in Matrix (0.9975-9)

Construct a Block Diagonal Matrix

Virtual Class "index" - Simple Class for Matrix Indices

Extract bands of a matrix

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

Matrix exponential

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

Schur Decomposition of a Matrix

dsyMatrix-class

Symmetric Dense Numeric Matrices

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

dCholCMatrix-class

Cholesky Decompositions of dsCMatrix Objects

Construct a Classed Matrix

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

Koenker-Ng Example Sparse Model Matrix and Response Vector

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

Multiplication by Decomposition Factors

externalFormats

Read and write external matrix formats

dtpMatrix-class

Packed triangular dense matrices

Cholesky and Bunch-Kaufman Decompositions

LU (dense) Matrix Decompositions

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

Generate a Hilbert matrix

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

SparseM-conversions

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

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

dgeMatrix-class

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

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

CsparseMatrix-class

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

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

Create Diagonal Matrix Object

Triangular Decomposition of a Square Matrix

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

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

dgRMatrix-class

Compressed, sparse, row-oriented numeric matrices

Cholesky Decomposition of a Sparse Matrix

RsparseMatrix-class

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

lsparseMatrix-classes

Sparse logical matrices

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

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

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

CHMfactor-class

CHOLMOD-based Cholesky Factorizations

atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors

dtrMatrix-class

Triangular, dense, numeric matrices

Class "nMatrix" of Non-zero Pattern Matrices

dpoMatrix-class

Positive Semi-definite Dense Numeric Matrices

dtCMatrix-class

Triangular, (compressed) sparse column matrices

Albers' example Matrix with "Difficult" Eigen Factorization

Virtual Class "Matrix" Class of Matrices

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

triangularMatrix-class

Virtual Class of Triangular Matrices in package:Matrix

Estimate the Reciprocal Condition Number

Permutation matrices

Virtual Classes Not Yet Used

The Number of Non-Zero Values of a Matrix

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

Expand a Decomposition into Factors

symmetricMatrix-class

Virtual Class of Symmetric Matrices in package:Matrix

dgTMatrix-class

Sparse matrices in triplet form

Norm of a Matrix

generalMatrix-class

Class "generalMatrix" of General Matrices

Methods for the qr generic

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

ltrMatrix-class

Triangular Dense Logical Matrices

Sparse LU decomposition of a square sparse matrix

Cross-product of transpose

lsyMatrix-class

Symmetric Dense Logical Matrices

Full Storage Representation of Packed Matrices

nsparseMatrix-classes

Sparse logical matrices

sparseMatrix-class

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

Sparse QR decomposition of a sparse matrix

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

ntrMatrix-class

Triangular Dense Logical Matrices

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices