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Matrix (version 1.2-3)

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

118,373

Version

1.2-3

License

GPL (>= 2)

Maintainer

Martin Maechler

Last Published

November 28th, 2015

Functions in Matrix (1.2-3)

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

Matrix-class

Virtual Class "Matrix" Class of Matrices

[<--methods

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

sparseVector

Sparse Vector Construction from Nonzero Entries

dsyMatrix-class

Symmetric Dense Numeric Matrices

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

dMatrix-class

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

dtRMatrix-class

Triangular Sparse Compressed Row Matrices

symmetricMatrix-class

Virtual Class of Symmetric Matrices in Package Matrix

KNex

Koenker-Ng Example Sparse Model Matrix and Response Vector

nMatrix-class

Class "nMatrix" of Non-zero Pattern Matrices

CsparseMatrix-class

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

chol2inv-methods

Inverse from Choleski or QR Decomposition -- Matrix Methods

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices

band

Extract bands of a matrix

(Generalized) Triangular Decomposition of a Matrix

Schur-class

Class "Schur" of Schur Matrix Factorizations

abIseq

Sequence Generation of "abIndex", Abstract Index Vectors

drop0

Drop "Explicit Zeroes" from a Sparse Matrix

colSums

Form Row and Column Sums and Means

index-class

Virtual Class "index" - Simple Class for Matrix Indices

uniqTsparse

Unique TsparseMatrix Representations

nnzero

The Number of Non-Zero Values of a Matrix

%&%-methods

Boolean Arithmetic Matrix Products: %&% and Methods

KhatriRao

Khatri-Rao Matrix Product

dgeMatrix-class

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

all-methods

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

Schur

Schur Decomposition of a Matrix

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

Cholesky

Cholesky Decomposition of a Sparse Matrix

dgRMatrix-class

Sparse Compressed, Row-oriented Numeric Matrices

expm

Matrix Exponential

dgTMatrix-class

Sparse matrices in triplet form

rep2abI

Replicate Vectors into 'abIndex' Result

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

Hilbert

Generate a Hilbert matrix

SparseM-conversions

Sparse Matrix Coercion from and to those from package SparseM

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

expand

Expand a Decomposition into Factors

Diagonal

Create Diagonal Matrix Object

image-methods

Methods for image() in Package 'Matrix'

sparse.model.matrix

Construct Sparse Design / Model Matrices

MatrixClass

The Matrix (Super-) Class of a Class

norm

Matrix Norms

generalMatrix-class

Class "generalMatrix" of General Matrices

Cholesky-class

Cholesky and Bunch-Kaufman Decompositions

printSpMatrix

Format and Print Sparse Matrices Flexibly

cBind

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

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

kronecker-methods

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

sparseLU-class

Sparse LU decomposition of a square sparse matrix

dpoMatrix-class

Positive Semi-definite Dense Numeric Matrices

indMatrix-class

Index Matrices

RsparseMatrix-class

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

bdiag

Construct a Block Diagonal Matrix

USCounties

USCounties Contiguity Matrix

sparseMatrix-class

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

chol

Choleski Decomposition - 'Matrix' S4 Generic and Methods

ltrMatrix-class

Triangular Dense Logical Matrices

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

symmpart

Symmetric Part and Skew(symmetric) Part of a Matrix

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

is.na-methods

is.na(), is.{in}finite() Methods for 'Matrix' Objects

dtCMatrix-class

Triangular, (compressed) sparse column matrices

Unused-classes

Virtual Classes Not Yet Really Implemented and Used

condest

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

updown

Up- and Down-Dating a Cholesky Decomposition

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

lsparseMatrix-classes

Sparse logical matrices

externalFormats

Read and write external matrix formats

formatSparseM

Formatting Sparse Numeric Matrices Utilities

invPerm

Inverse Permutation Vector

isTriangular

isTriangular() and isDiagonal() Methods

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

matrix-products

Matrix (Cross) Products (of Transpose)

sparseQR-class

Sparse QR decomposition of a sparse matrix

CAex

Albers' example Matrix with "Difficult" Eigen Factorization

[-methods

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

triangularMatrix-class

Virtual Class of Triangular Matrices in Package Matrix

Matrix

Construct a Classed Matrix

CHMfactor-class

CHOLMOD-based Cholesky Factorizations

rcond

Estimate the Reciprocal Condition Number

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

bandSparse

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

dtpMatrix-class

Packed Triangular Dense Matrices - "dtpMatrix"

forceSymmetric

Force a Matrix to 'symmetricMatrix' Without Symmetry Checks

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

graph-sparseMatrix

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

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

facmul

Multiplication by Decomposition Factors

nearPD

Nearest Positive Definite Matrix

diagU2N

Transform Triangular Matrices from Unit Triangular to General Triangular and Back

is.null.DN

Are the Dimnames dn NULL-like ?

abIndex-class

Class "abIndex" of Abstract Index Vectors

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

qr-methods

QR Decomposition -- S4 Methods and Generic

solve-methods

Methods in Package Matrix for Function solve()

rleDiff-class

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

spMatrix

Sparse Matrix Constructor From Triplet

sparseMatrix

General Sparse Matrix Construction from Nonzero Entries

number-class

Class "number" of Possibly Complex Numbers

LU-class

LU (dense) Matrix Decompositions

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

lsyMatrix-class

Symmetric Dense Logical Matrices

rankMatrix

Rank of a Matrix

unpack

Representation of Packed and Unpacked (Dense) Matrices

nsparseMatrix-classes

Sparse "pattern" Matrices

sparseVector-class

Sparse Vector Classes

atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

ntrMatrix-class

Triangular Dense Logical Matrices

BunchKaufman-methods

Bunch-Kaufman Decomposition Methods

all.equal-methods

Matrix Package Methods for Function all.equal()