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Matrix (version 0.999375-2)

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

0.999375-2

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

Doug

Last Published

March 11th, 2025

Functions in Matrix (0.999375-2)

Construct a Classed Matrix

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

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

externalFormats

Read and write external matrix formats

dtRMatrix-class

Triangular Sparse Compressed Row Matrices

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

Cholesky and Bunch-Kaufman Decompositions

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

LU (dense) Matrix Decompositions

CsparseMatrix-class

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

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

Class "nMatrix" of Non-zero Pattern Matrices

The Number of Non-Zero Values of a Matrix

Sparse QR decomposition of a sparse matrix

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

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

Matrix exponential

Form Row and Column Sums and Means

dtCMatrix-class

Triangular, (compressed) sparse column matrices

Cholesky Decomposition of a Sparse Matrix

Virtual Class "index" - Simple Class for Matrix Indices

dtpMatrix-class

Packed triangular dense matrices

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

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

SparseM-conversions

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

Class "SPQR" of SuiteSparse QR multifrontal sparse QR Decompositions

Schur Decomposition of a Matrix

USCounties Contiguity Matrix

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

dgeMatrix-class

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

Full Storage Representation of Packed Matrices

kronecker-methods

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

dCholCMatrix-class

Cholesky Decompositions of dsCMatrix Objects

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

BunchKaufman-methods

Bunch-Kaufman Decomposition Methods

Expand a Decomposition into Factors

CHMfactor-class

CHOLMOD-based Cholesky Factorizations

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

Methods for image() in Package 'Matrix'

Create Diagonal Matrix Object

Triangular Decomposition of a Square Matrix

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

lsyMatrix-class

Symmetric Dense Logical Matrices

Multiplication by Decomposition Factors

Albers' example Matrix with "Difficult" Eigen Factorization

Construct a Block Diagonal Matrix

Virtual Class "Matrix" Class of Matrices

triangularMatrix-class

Virtual Class of Triangular Matrices in package:Matrix

dgTMatrix-class

Sparse matrices in triplet form

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

sparseVector-class

Sparse Vector Classes

dpoMatrix-class

Positive Semi-definite Dense Numeric Matrices

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

dgRMatrix-class

Sparse Compressed, Row-oriented Numeric Matrices

Generate a Hilbert matrix

nsparseMatrix-classes

Sparse logical matrices

Methods for the qr generic

Class "Schur" of Schur Matrix Factorizations

generalMatrix-class

Class "generalMatrix" of General Matrices

Print Sparse Matrices Flexibly

Drop "Explicit Zeroes" from a Sparse Matrix

ltrMatrix-class

Triangular Dense Logical Matrices

ntrMatrix-class

Triangular Dense Logical Matrices

dsyMatrix-class

Symmetric Dense Numeric Matrices

Nearest Matrix to a Positive Definite Matrix

atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

Sparse LU decomposition of a square sparse matrix

RsparseMatrix-class

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

Cross-product of transpose

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

Permutation matrices

Extract bands of a matrix

Estimate the Reciprocal Condition Number

sparseMatrix-class

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

Sparse Matrix Constructor From Triplet

Force a Matrix to 'symmetricMatrix' Without Symmetry Checks

lsparseMatrix-classes

Sparse logical matrices

Virtual Classes Not Yet Really Implemented and Used

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

SuiteSparse QR factorization of Sparse Matrix

all.equal-methods

Matrix Methods for Function all.equal()

Choleski Decomposition - 'Matrix' S4 Generic

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

Cross Tabulation, Optionally Sparse

symmetricMatrix-class

Virtual Class of Symmetric Matrices in package:Matrix

Symmetric Part and Skew(symmetric) Part of a Matrix

is.na() Methods for 'Matrix' Objects

Class "number" of Possibly Complex Numbers

General Sparse Matrix Construction from Nonzero Entries

Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals

Koenker-Ng Example Sparse Model Matrix and Response Vector

Rank of a Matrix