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Matrix (version 0.999375-3)

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

108,657

Version

0.999375-3

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 (0.999375-3)

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

Extract bands of a matrix

Estimate the Reciprocal Condition Number

dgeMatrix-class

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

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

Choleski Decomposition - 'Matrix' S4 Generic

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

dtRMatrix-class

Triangular Sparse Compressed Row Matrices

dtCMatrix-class

Triangular, (compressed) sparse column matrices

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices

ntrMatrix-class

Triangular Dense Logical Matrices

Class "Schur" of Schur Matrix Factorizations

CsparseMatrix-class

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

Construct a Classed Matrix

Sparse QR decomposition of a sparse matrix

Cholesky Decomposition of a Sparse Matrix

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

Matrix exponential

Form Row and Column Sums and Means

Virtual Class "Matrix" Class of Matrices

dsyMatrix-class

Symmetric Dense Numeric Matrices

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

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

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

The Number of Non-Zero Values of a Matrix

dtpMatrix-class

Packed triangular dense matrices

ltrMatrix-class

Triangular Dense Logical Matrices

Methods for image() in Package 'Matrix'

dgTMatrix-class

Sparse matrices in triplet form

Create Diagonal Matrix Object

lsyMatrix-class

Symmetric Dense Logical Matrices

LU (dense) Matrix Decompositions

Virtual Class "index" - Simple Class for Matrix Indices

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

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

USCounties Contiguity Matrix

Permutation matrices

Contrast Matrices, Optionally Sparse

Generate a Hilbert matrix

dgRMatrix-class

Sparse Compressed, Row-oriented Numeric Matrices

CHMfactor-class

CHOLMOD-based Cholesky Factorizations

Construct a Block Diagonal Matrix

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

Virtual Classes Not Yet Used

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors

Multiplication by Decomposition Factors

lsparseMatrix-classes

Sparse logical matrices

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

generalMatrix-class

Class "generalMatrix" of General Matrices

nsparseMatrix-classes

Sparse "pattern" Matrices

QR Decomposition -- S4 Methods and Generic

triangularMatrix-class

Virtual Class of Triangular Matrices in package:Matrix

Triangular Decomposition of a Square Matrix

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

dCholCMatrix-class

Cholesky Decompositions of dsCMatrix Objects

Sparse LU decomposition of a square sparse matrix

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

BunchKaufman-methods

Bunch-Kaufman Decomposition Methods

externalFormats

Read and write external matrix formats

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

Cholesky and Bunch-Kaufman Decompositions

SparseM-conversions

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

Class "nMatrix" of Non-zero Pattern Matrices

symmetricMatrix-class

Virtual Class of Symmetric Matrices in package:Matrix

RsparseMatrix-class

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

Koenker-Ng Example Sparse Model Matrix and Response Vector

dpoMatrix-class

Positive Semi-definite Dense Numeric Matrices

Nearest Matrix to a Positive Definite Matrix

Albers' example Matrix with "Difficult" Eigen Factorization

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

General Sparse Matrix Construction from Nonzero Entries

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

Full Storage Representation of Packed Matrices

Force a Matrix to 'symmetricMatrix' Without Symmetry Checks

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

Expand a Decomposition into Factors

Class "number" of Possibly Complex Numbers

sparseVector-class

Sparse Vector Classes

sparse.model.matrix

Construct Sparse Design / Model Matrices

all.equal-methods

Matrix Methods for Function all.equal()

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

sparseMatrix-class

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

Rank of a Matrix

Sparse Matrix Constructor From Triplet

Cross Tabulation, Optionally Sparse

Cross-product of transpose

Schur Decomposition of a Matrix

Symmetric Part and Skew(symmetric) Part of a Matrix

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

Class "abIndex" of Abstract Index Vectors

kronecker-methods

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

Print Sparse Matrices Flexibly

chol2inv-methods

Inverse from Choleski or QR Decomposition -- Matrix Methods

Drop "Explicit Zeroes" from a Sparse Matrix

is.na() Methods for 'Matrix' Objects

Class "rleDiff" of rle(diff(.)) Stored Vectors

Sequence Generation of "abIndex", Abstract Index Vectors

Fitter Function for Sparse Linear Models

Replicate Vectors into 'abIndex' Result

Compute Approximate CONDition number and 1-Norm of (Large) Matrices