Learn R Programming

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

Matrix (version 1.2-12)

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

1.2-12

License

GPL (>= 2) | file LICENCE

Maintainer

Martin Maechler

Last Published

November 20th, 2017

Functions in Matrix (1.2-12)

Create Diagonal Matrix Object

Khatri-Rao Matrix Product

CsparseMatrix-class

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

BunchKaufman-methods

Bunch-Kaufman Decomposition Methods

CHMfactor-class

CHOLMOD-based Cholesky Factorizations

Cholesky and Bunch-Kaufman Decompositions

Albers' example Matrix with "Difficult" Eigen Factorization

Koenker-Ng Example Sparse Model Matrix and Response Vector

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

Generate a Hilbert matrix

RsparseMatrix-class

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

The Matrix (Super-) Class of a Class

Cholesky Decomposition of a Sparse Matrix

LU (dense) Matrix Decompositions

Schur Decomposition of a Matrix

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

Virtual Class "Matrix" Class of Matrices

Class "Schur" of Schur Matrix Factorizations

Extract bands of a matrix

Construct a Classed Matrix

all.equal-methods

Matrix Package Methods for Function all.equal()

SparseM-conversions

Sparse Matrix Coercion from and to those from package SparseM

USCounties Contiguity Matrix

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

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

Class "abIndex" of Abstract Index Vectors

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

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

Sequence Generation of "abIndex", Abstract Index Vectors

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

atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

Construct a Block Diagonal Matrix

chol2inv-methods

Inverse from Choleski or QR Decomposition -- Matrix Methods

Boolean Arithmetic Matrix Products: %&% and Methods

Form Row and Column Sums and Means

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

dgRMatrix-class

Sparse Compressed, Row-oriented Numeric Matrices

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

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

Transform Triangular Matrices from Unit Triangular to General Triangular and Back

Choleski Decomposition - 'Matrix' S4 Generic and Methods

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

dpoMatrix-class

Positive Semi-definite Dense Numeric Matrices

Drop "Explicit Zeroes" from a Sparse Matrix

dgTMatrix-class

Sparse matrices in triplet form

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

dgeMatrix-class

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

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

generalMatrix-class

Class "generalMatrix" of General Matrices

dtCMatrix-class

Triangular, (compressed) sparse column matrices

graph-sparseMatrix

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

dtRMatrix-class

Triangular Sparse Compressed Row Matrices

Expand a Decomposition into Factors

Matrix Exponential

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

Virtual Class "index" - Simple Class for Matrix Indices

Inverse Permutation Vector

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

dsyMatrix-class

Symmetric Dense Numeric Matrices

isTriangular() and isDiagonal() Methods

Formatting Sparse Numeric Matrices Utilities

Force a Matrix to 'symmetricMatrix' Without Symmetry Checks

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

dtpMatrix-class

Packed Triangular Dense Matrices - "dtpMatrix"

Are the Dimnames dn NULL-like ?

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices

dtrMatrix-class

Triangular, dense, numeric matrices

Nearest Positive Definite Matrix

externalFormats

Read and write external matrix formats

lsparseMatrix-classes

Sparse logical matrices

lsyMatrix-class

Symmetric Dense Logical Matrices

Multiplication by Decomposition Factors

ltrMatrix-class

Triangular Dense Logical Matrices

Class "number" of Possibly Complex Numbers

nsparseMatrix-classes

Sparse "pattern" Matrices

Permutation matrices

Rank of a Matrix

(Generalized) Triangular Decomposition of a Matrix

Estimate the Reciprocal Condition Number

Format and Print Sparse Matrices Flexibly

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

The Number of Non-Zero Values of a Matrix

QR Decomposition -- S4 Methods and Generic

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

Methods for image() in Package 'Matrix'

ntrMatrix-class

Triangular Dense Logical Matrices

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

indMatrix-class

Random Sparse Matrix

kronecker-methods

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

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

sparseMatrix-class

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

General Sparse Matrix Construction from Nonzero Entries

matrix-products

Matrix (Cross) Products (of Transpose)

Symmetric Part and Skew(symmetric) Part of a Matrix

Class "nMatrix" of Non-zero Pattern Matrices

triangularMatrix-class

Virtual Class of Triangular Matrices in Package Matrix

Replicate Vectors into 'abIndex' Result

sparse.model.matrix

Construct Sparse Design / Model Matrices

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

Representation of Packed and Unpacked (Dense) Matrices

Sparse LU decomposition of a square sparse matrix

Methods in Package Matrix for Function solve()

Unique (Sorted) TsparseMatrix Representations

Sparse Matrix Constructor From Triplet

Sparse Vector Construction from Nonzero Entries

Sparse QR decomposition of a sparse matrix

symmetricMatrix-class

Virtual Class of Symmetric Matrices in Package Matrix

sparseVector-class

Sparse Vector Classes

Virtual Classes Not Yet Really Implemented and Used

Up- and Down-Dating a Cholesky Decomposition