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Matrix (version 1.2-14)

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.

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Install

install.packages('Matrix')

Monthly Downloads

125,131

Version

1.2-14

License

GPL (>= 2) | file LICENCE

Maintainer

Martin Maechler

Last Published

April 9th, 2018

Functions in Matrix (1.2-14)

The Matrix (Super-) Class of a Class

all.equal-methods

Matrix Package Methods for Function all.equal()

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

Class "abIndex" of Abstract Index Vectors

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

Methods for image() in Package 'Matrix'

Form Row and Column Sums and Means

dgTMatrix-class

Sparse matrices in triplet form

chol2inv-methods

Inverse from Choleski or QR Decomposition -- Matrix Methods

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

dgRMatrix-class

Sparse Compressed, Row-oriented Numeric Matrices

atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

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

Expand a Decomposition into Factors

Matrix Exponential

dgeMatrix-class

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

Virtual Class "index" - Simple Class for Matrix Indices

Inverse Permutation Vector

Extract bands of a matrix

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

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

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

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

Are the Dimnames dn NULL-like ?

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

Construct a Block Diagonal Matrix

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

Sequence Generation of "abIndex", Abstract Index Vectors

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

USCounties Contiguity Matrix

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

kronecker-methods

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

indMatrix-class

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

Choleski Decomposition - 'Matrix' S4 Generic and Methods

ltrMatrix-class

Triangular Dense Logical Matrices

(Generalized) Triangular Decomposition of a Matrix

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

Rank of a Matrix

Transform Triangular Matrices from Unit Triangular to General Triangular and Back

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

Estimate the Reciprocal Condition Number

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

Boolean Arithmetic Matrix Products: %&% and Methods

The Number of Non-Zero Values of a Matrix

dtCMatrix-class

Triangular, (compressed) sparse column matrices

QR Decomposition -- S4 Methods and Generic

sparseMatrix-class

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

Format and Print Sparse Matrices Flexibly

Sparse LU decomposition of a square sparse matrix

dpoMatrix-class

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

sparse.model.matrix

Construct Sparse Design / Model Matrices

dtRMatrix-class

Triangular Sparse Compressed Row Matrices

General Sparse Matrix Construction from Nonzero Entries

generalMatrix-class

Class "generalMatrix" of General Matrices

Drop "Explicit Zeroes" from a Sparse Matrix

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

Sparse Vector Construction from Nonzero Entries

dsyMatrix-class

Symmetric Dense (Packed | Non-packed) Numeric Matrices

Virtual Classes Not Yet Really Implemented and Used

symmetricMatrix-class

Virtual Class of Symmetric Matrices in Package Matrix

Up- and Down-Dating a Cholesky Decomposition

Formatting Sparse Numeric Matrices Utilities

Force a Matrix to 'symmetricMatrix' Without Symmetry Checks

lsparseMatrix-classes

Sparse logical matrices

lsyMatrix-class

Symmetric Dense Logical Matrices

Class "nMatrix" of Non-zero Pattern Matrices

Class "number" of Possibly Complex Numbers

matrix-products

Matrix (Cross) Products (of Transpose)

dtpMatrix-class

Packed Triangular Dense Matrices - "dtpMatrix"

graph-sparseMatrix

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

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

isTriangular() and isDiagonal() Methods

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices

Permutation matrices

dtrMatrix-class

Triangular, dense, numeric matrices

Nearest Positive Definite Matrix

Methods in Package Matrix for Function solve()

externalFormats

Read and write external matrix formats

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

ntrMatrix-class

Triangular Dense Logical Matrices

Multiplication by Decomposition Factors

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

Sparse QR decomposition of a sparse matrix

sparseVector-class

Sparse Vector Classes

Sparse Matrix Constructor From Triplet

nsparseMatrix-classes

Sparse "pattern" Matrices

Replicate Vectors into 'abIndex' Result

Symmetric Part and Skew(symmetric) Part of a Matrix

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

triangularMatrix-class

Virtual Class of Triangular Matrices in Package Matrix

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

Unique (Sorted) TsparseMatrix Representations

Random Sparse Matrix

Representation of Packed and Unpacked (Dense) Matrices

Create Diagonal Matrix Object

Cholesky and Bunch-Kaufman Decompositions

Albers' example Matrix with "Difficult" Eigen Factorization

Generate a Hilbert matrix

BunchKaufman-methods

Bunch-Kaufman Decomposition Methods

Koenker-Ng Example Sparse Model Matrix and Response Vector

Cholesky Decomposition of a Sparse Matrix

CHMfactor-class

CHOLMOD-based Cholesky Factorizations

RsparseMatrix-class

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

Khatri-Rao Matrix Product

Virtual Class "Matrix" Class of Matrices

SparseM-conversions

Sparse Matrix Coercion from and to those from package SparseM

Class "Schur" of Schur Matrix Factorizations

LU (dense) Matrix Decompositions

Schur Decomposition of a Matrix

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

CsparseMatrix-class

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

Construct a Classed Matrix