Learn R Programming

⚠️There's a newer version (1.7-2) of this package.Take me there.

Matrix (version 1.3-2)

Sparse and Dense Matrix Classes and Methods

Description

A rich hierarchy of matrix classes, including triangular, symmetric, and diagonal matrices, both dense and sparse and with pattern, logical and numeric entries. Numerous methods for and operations on these matrices, using 'LAPACK' and 'SuiteSparse' libraries.

Copy Link

Version

Install

install.packages('Matrix')

Monthly Downloads

118,373

Version

1.3-2

License

GPL (>= 2) | file LICENCE

Maintainer

Martin Maechler

Last Published

January 6th, 2021

Functions in Matrix (1.3-2)

BunchKaufman-methods

Bunch-Kaufman Decomposition Methods

Koenker-Ng Example Sparse Model Matrix and Response Vector

Albers' example Matrix with "Difficult" Eigen Factorization

Khatri-Rao Matrix Product

Generate a Hilbert matrix

Cholesky and Bunch-Kaufman Decompositions

Create Diagonal Matrix Object

CsparseMatrix-class

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

CHMfactor-class

CHOLMOD-based Cholesky Factorizations

Cholesky Decomposition of a Sparse Matrix

Class "Schur" of Schur Matrix Factorizations

LU (dense) Matrix Decompositions

Virtual Class "Matrix" Class of Matrices

SparseM-conversions

Sparse Matrix Coercion from and to those from package SparseM

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

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

USCounties Contiguity Matrix

Schur Decomposition of a Matrix

atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors

all.equal-methods

Matrix Package Methods for Function all.equal()

RsparseMatrix-class

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

Boolean Arithmetic Matrix Products: %&% and Methods

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

Construct a Block Diagonal Matrix

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

Sequence Generation of "abIndex", Abstract Index Vectors

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

Form Row and Column Sums and Means

chol2inv-methods

Inverse from Choleski or QR Decomposition -- Matrix Methods

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

Choleski Decomposition - 'Matrix' S4 Generic and Methods

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

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

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

The Matrix (Super-) Class of a Class

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

Construct a Classed Matrix

Transform Triangular Matrices from Unit Triangular to General Triangular and Back

Extract bands of a matrix

Class "abIndex" of Abstract Index Vectors

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

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

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

dtRMatrix-class

Triangular Sparse Compressed Row Matrices

dtCMatrix-class

Triangular, (compressed) sparse column matrices

dtpMatrix-class

Packed Triangular Dense Matrices - "dtpMatrix"

dpoMatrix-class

Positive Semi-definite Dense (Packed | Non-packed) Numeric Matrices

Drop "Explicit Zeroes" from a Sparse Matrix

dsyMatrix-class

Symmetric Dense (Packed | Non-packed) Numeric Matrices

Force a Matrix to 'symmetricMatrix' Without Symmetry Checks

Formatting Sparse Numeric Matrices Utilities

generalMatrix-class

Class "generalMatrix" of General Matrices

isTriangular() and isDiagonal() Methods

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

dgTMatrix-class

Sparse matrices in triplet form

dgeMatrix-class

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

is.na(), is.infinite() Methods for 'Matrix' Objects

graph-sparseMatrix

Conversions "graph" <--> (sparse) Matrix

Are the Dimnames dn NULL-like ?

Expand a (Matrix) Decomposition into Factors

Matrix Exponential

dgRMatrix-class

Sparse Compressed, Row-oriented Numeric Matrices

ltrMatrix-class

Triangular Dense Logical Matrices

lsyMatrix-class

Symmetric Dense Logical Matrices

Methods for image() in Package 'Matrix'

lsparseMatrix-classes

Sparse logical matrices

indMatrix-class

externalFormats

Read and write external matrix formats

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices

Class "nMatrix" of Non-zero Pattern Matrices

dtrMatrix-class

Triangular, dense, numeric matrices

Virtual Class "index" - Simple Class for Matrix Indices

Inverse Permutation Vector

nsparseMatrix-classes

Sparse "pattern" Matrices

(Generalized) Triangular Decomposition of a Matrix

kronecker-methods

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

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

Multiplication by Decomposition Factors

The Number of Non-Zero Values of a Matrix

Sparse LU decomposition of a square sparse matrix

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

sparseMatrix-class

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

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

Nearest Positive Definite Matrix

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

ntrMatrix-class

Triangular Dense Logical Matrices

Class "number" of Possibly Complex Numbers

Random Sparse Matrix

QR Decomposition -- S4 Methods and Generic

Up- and Down-Dating a Cholesky Decomposition

Methods in Package Matrix for Function solve()

Map Matrix to its Triplet Representation

Permutation matrices

Format and Print Sparse Matrices Flexibly

Sparse Matrix Constructor From Triplet

matrix-products

Matrix (Cross) Products (of Transpose)

Replicate Vectors into 'abIndex' Result

Estimate the Reciprocal Condition Number

Sparse Vector Construction from Nonzero Entries

sparseVector-class

Sparse Vector Classes

World 1-degree grid contiguity matrix

Rank of a Matrix

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

sparse.model.matrix

Construct Sparse Design / Model Matrices

Virtual Classes Not Yet Really Implemented and Used

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

Representation of Packed and Unpacked (Dense) Matrices

symmetricMatrix-class

Virtual Class of Symmetric Matrices in Package Matrix

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

General Sparse Matrix Construction from Nonzero Entries

Sparse QR decomposition of a sparse matrix

triangularMatrix-class

Virtual Class of Triangular Matrices in Package Matrix

Symmetric Part and Skew(symmetric) Part of a Matrix

Unique (Sorted) TsparseMatrix Representations