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Matrix (version 1.0-1)

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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Version

Install

install.packages('Matrix')

Monthly Downloads

91,970

Version

1.0-1

License

GPL (>= 2)

Maintainer

Doug

Last Published

October 18th, 2011

Functions in Matrix (1.0-1)

Diagonal

Create Diagonal Matrix Object

Schur

Schur Decomposition of a Matrix

band

Extract bands of a matrix

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

ltrMatrix-class

Triangular Dense Logical Matrices

expm

Matrix Exponential

abIndex-class

Class "abIndex" of Abstract Index Vectors

Hilbert

Generate a Hilbert matrix

RsparseMatrix-class

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

nMatrix-class

Class "nMatrix" of Non-zero Pattern Matrices

dgTMatrix-class

Sparse matrices in triplet form

dsyMatrix-class

Symmetric Dense Numeric Matrices

Cholesky

Cholesky Decomposition of a Sparse Matrix

nearPD

Nearest Positive Definite Matrix

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

chol2inv-methods

Inverse from Choleski or QR Decomposition -- Matrix Methods

atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors

dgeMatrix-class

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

externalFormats

Read and write external matrix formats

is.na-methods

is.na() Methods for 'Matrix' Objects

CsparseMatrix-class

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

abIseq

Sequence Generation of "abIndex", Abstract Index Vectors

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

chol

Choleski Decomposition - 'Matrix' S4 Generic

facmul

Multiplication by Decomposition Factors

Cholesky-class

Cholesky and Bunch-Kaufman Decompositions

KNex

Koenker-Ng Example Sparse Model Matrix and Response Vector

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

(Generalized) Triangular Decomposition of a Matrix

all-methods

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

expand

Expand a Decomposition into Factors

condest

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

pMatrix-class

Permutation matrices

CAex

Albers' example Matrix with "Difficult" Eigen Factorization

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

number-class

Class "number" of Possibly Complex Numbers

Unused-classes

Virtual Classes Not Yet Really Implemented and Used

dpoMatrix-class

Positive Semi-definite Dense Numeric Matrices

bdiag

Construct a Block Diagonal Matrix

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

Schur-class

Class "Schur" of Schur Matrix Factorizations

CHMfactor-class

CHOLMOD-based Cholesky Factorizations

dgRMatrix-class

Sparse Compressed, Row-oriented Numeric Matrices

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

cBind

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

diagU2N

Transform Triangular Matrices from Unit Triangular to General and back

drop0

Drop "Explicit Zeroes" from a Sparse Matrix

[<--methods

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

all.equal-methods

Matrix Package Methods for Function all.equal()

Matrix-class

Virtual Class "Matrix" Class of Matrices

USCounties

USCounties Contiguity Matrix

generalMatrix-class

Class "generalMatrix" of General Matrices

dtRMatrix-class

Triangular Sparse Compressed Row Matrices

printSpMatrix

Format and Print Sparse Matrices Flexibly

ntrMatrix-class

Triangular Dense Logical Matrices

sparseMatrix

General Sparse Matrix Construction from Nonzero Entries

rep2abI

Replicate Vectors into 'abIndex' Result

Matrix

Construct a Classed Matrix

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

norm

Matrix Norms

spMatrix

Sparse Matrix Constructor From Triplet

colSums

Form Row and Column Sums and Means

dMatrix-class

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

symmpart

Symmetric Part and Skew(symmetric) Part of a Matrix

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

bandSparse

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

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices

LU-class

LU (dense) Matrix Decompositions

tcrossprod

Cross-product of transpose

rcond

Estimate the Reciprocal Condition Number

sparseLU-class

Sparse LU decomposition of a square sparse matrix

image-methods

Methods for image() in Package 'Matrix'

kronecker-methods

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

xtabs

Cross Tabulation, Optionally Sparse

qr-methods

QR Decomposition -- S4 Methods and Generic

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

formatSparseM

Formatting Sparse Numeric Matrices Utilities

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

SparseM-conversions

Sparse Matrix Coercion from and to those from package "SparseM"

BunchKaufman-methods

Bunch-Kaufman Decomposition Methods

rankMatrix

Rank of a Matrix

index-class

Virtual Class "index" - Simple Class for Matrix Indices

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

nsparseMatrix-classes

Sparse "pattern" Matrices

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

dtCMatrix-class

Triangular, (compressed) sparse column matrices

symmetricMatrix-class

Virtual Class of Symmetric Matrices in package:Matrix

lsparseMatrix-classes

Sparse logical matrices

sparseMatrix-class

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

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

triangularMatrix-class

Virtual Class of Triangular Matrices in package:Matrix

unpack

Representation of Packed and Unpacked (Dense) Matrices

[-methods

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

sparse.model.matrix

Construct Sparse Design / Model Matrices

lsyMatrix-class

Symmetric Dense Logical Matrices

forceSymmetric

Force a Matrix to 'symmetricMatrix' Without Symmetry Checks

sparseQR-class

Sparse QR decomposition of a sparse matrix

sparseVector

Sparse Vector Construction from Nonzero Entries

rleDiff-class

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

nnzero

The Number of Non-Zero Values of a Matrix

is.null.DN

Are the Dimnames dn NULL-like ?

dtpMatrix-class

Packed triangular dense matrices

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

sparseVector-class

Sparse Vector Classes

updown

Up- and Down-Dating a Cholesky Decomposition

invPerm

Inverse Permutation Vector

KhatriRao

Khatri-Rao Matrix Product

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

indMatrix-class

Index matrices

isTriangular

isTriangular() and isDiagonal() and Methods

solve-methods

Methods in Package Matrix for Function solve()