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Matrix (version 1.2-7.1)

Sparse and Dense Matrix Classes and Methods

Description

Classes and methods for dense and sparse matrices and operations on them using 'LAPACK' and 'SuiteSparse'.

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Install

install.packages('Matrix')

Monthly Downloads

71,171

Version

1.2-7.1

License

GPL (>= 2) | file LICENCE

Maintainer

Martin Maechler

Last Published

September 1st, 2016

Functions in Matrix (1.2-7.1)

all.equal-methods

Matrix Package Methods for Function all.equal()

all-methods

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

BunchKaufman-methods

Bunch-Kaufman Decomposition Methods

atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors

%&%-methods

Boolean Arithmetic Matrix Products: %&% and Methods

band

Extract bands of a matrix

abIseq

Sequence Generation of "abIndex", Abstract Index Vectors

bdiag

Construct a Block Diagonal Matrix

bandSparse

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

abIndex-class

Class "abIndex" of Abstract Index Vectors

cBind

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

CAex

Albers' example Matrix with "Difficult" Eigen Factorization

Cholesky

Cholesky Decomposition of a Sparse Matrix

colSums

Form Row and Column Sums and Means

condest

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

CHMfactor-class

CHOLMOD-based Cholesky Factorizations

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

chol

Choleski Decomposition - 'Matrix' S4 Generic and Methods

Cholesky-class

Cholesky and Bunch-Kaufman Decompositions

chol2inv-methods

Inverse from Choleski or QR Decomposition -- Matrix Methods

dgRMatrix-class

Sparse Compressed, Row-oriented Numeric Matrices

Diagonal

Create Diagonal Matrix Object

dgTMatrix-class

Sparse matrices in triplet form

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

dgeMatrix-class

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

CsparseMatrix-class

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

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

drop0

Drop "Explicit Zeroes" from a Sparse Matrix

dpoMatrix-class

Positive Semi-definite Dense Numeric Matrices

diagU2N

Transform Triangular Matrices from Unit Triangular to General Triangular and Back

dtpMatrix-class

Packed Triangular Dense Matrices - "dtpMatrix"

dtCMatrix-class

Triangular, (compressed) sparse column matrices

dMatrix-class

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

dsyMatrix-class

Symmetric Dense Numeric Matrices

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

formatSparseM

Formatting Sparse Numeric Matrices Utilities

generalMatrix-class

Class "generalMatrix" of General Matrices

dtrMatrix-class

Triangular, dense, numeric matrices

expand

Expand a Decomposition into Factors

externalFormats

Read and write external matrix formats

graph-sparseMatrix

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

facmul

Multiplication by Decomposition Factors

Hilbert

Generate a Hilbert matrix

forceSymmetric

Force a Matrix to 'symmetricMatrix' Without Symmetry Checks

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

image-methods

Methods for image() in Package 'Matrix'

index-class

Virtual Class "index" - Simple Class for Matrix Indices

KhatriRao

Khatri-Rao Matrix Product

indMatrix-class

Index Matrices

KNex

Koenker-Ng Example Sparse Model Matrix and Response Vector

is.na-methods

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

invPerm

Inverse Permutation Vector

is.null.DN

Are the Dimnames dn NULL-like ?

kronecker-methods

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

isTriangular

isTriangular() and isDiagonal() Methods

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

rankMatrix

Rank of a Matrix

rcond

Estimate the Reciprocal Condition Number

sparse.model.matrix

Construct Sparse Design / Model Matrices

Schur

Schur Decomposition of a Matrix

lsyMatrix-class

Symmetric Dense Logical Matrices

lsparseMatrix-classes

Sparse logical matrices

nMatrix-class

Class "nMatrix" of Non-zero Pattern Matrices

nnzero

The Number of Non-Zero Values of a Matrix

sparseVector-class

Sparse Vector Classes

sparseQR-class

Sparse QR decomposition of a sparse matrix

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

uniqTsparse

Unique TsparseMatrix Representations

MatrixClass

The Matrix (Super-) Class of a Class

Matrix

Construct a Classed Matrix

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

ntrMatrix-class

Triangular Dense Logical Matrices

[<--methods

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

symmetricMatrix-class

Virtual Class of Symmetric Matrices in Package Matrix

Matrix-class

Virtual Class "Matrix" Class of Matrices

number-class

Class "number" of Possibly Complex Numbers

matrix-products

Matrix (Cross) Products (of Transpose)

RsparseMatrix-class

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

rleDiff-class

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

pMatrix-class

Permutation matrices

Unused-classes

Virtual Classes Not Yet Really Implemented and Used

unpack

Representation of Packed and Unpacked (Dense) Matrices

updown

Up- and Down-Dating a Cholesky Decomposition

[-methods

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

triangularMatrix-class

Virtual Class of Triangular Matrices in Package Matrix

symmpart

Symmetric Part and Skew(symmetric) Part of a Matrix

ltrMatrix-class

Triangular Dense Logical Matrices

LU-class

LU (dense) Matrix Decompositions

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

nearPD

Nearest Positive Definite Matrix

printSpMatrix

Format and Print Sparse Matrices Flexibly

qr-methods

QR Decomposition -- S4 Methods and Generic

rsparsematrix

Random Sparse Matrix

Schur-class

Class "Schur" of Schur Matrix Factorizations

USCounties

USCounties Contiguity Matrix

nsparseMatrix-classes

Sparse "pattern" Matrices

norm

Matrix Norms

sparseMatrix-class

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

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

rep2abI

Replicate Vectors into 'abIndex' Result

sparseMatrix

General Sparse Matrix Construction from Nonzero Entries

sparseVector

Sparse Vector Construction from Nonzero Entries

spMatrix

Sparse Matrix Constructor From Triplet