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

Matrix (version 0.999375-37)

Sparse and Dense Matrix Classes and Methods

Description

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

Copy Link

Version

Install

install.packages('Matrix')

Monthly Downloads

78,160

Version

0.999375-37

License

GPL (>= 2)

Maintainer

Doug

Last Published

February 5th, 2010

Functions in Matrix (0.999375-37)

MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations

dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices

nearPD

Nearest Matrix to a Positive Definite Matrix

dgRMatrix-class

Sparse Compressed, Row-oriented Numeric Matrices

pMatrix-class

Permutation matrices

nnzero

The Number of Non-Zero Values of a Matrix

KNex

Koenker-Ng Example Sparse Model Matrix and Response Vector

RsparseMatrix-class

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

sparseQR-class

Sparse QR decomposition of a sparse matrix

cBind

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

symmpart

Symmetric Part and Skew(symmetric) Part of a Matrix

TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form

dsRMatrix-class

Symmetric Sparse Compressed Row Matrices

unpack

Full Storage Representation of Packed Matrices

CAex

Albers' example Matrix with "Difficult" Eigen Factorization

Matrix

Construct a Classed Matrix

dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices

Matrix-class

Virtual Class "Matrix" Class of Matrices

compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices

Triangular Decomposition of a Square Matrix

ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices

dgTMatrix-class

Sparse matrices in triplet form

colSums

Form Row and Column Sums and Means

expand

Expand a Decomposition into Factors

dpoMatrix-class

Positive Semi-definite Dense Numeric Matrices

isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'

all.equal-methods

Matrix Package Methods for Function all.equal()

LU-class

LU (dense) Matrix Decompositions

chol

Choleski Decomposition - 'Matrix' S4 Generic

ntrMatrix-class

Triangular Dense Logical Matrices

Schur-class

Class "Schur" of Schur Matrix Factorizations

all-methods

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

chol2inv-methods

Inverse from Choleski or QR Decomposition -- Matrix Methods

band

Extract bands of a matrix

bdiag

Construct a Block Diagonal Matrix

generalMatrix-class

Class "generalMatrix" of General Matrices

symmetricMatrix-class

Virtual Class of Symmetric Matrices in package:Matrix

[-methods

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

abIndex-class

Class "abIndex" of Abstract Index Vectors

forceSymmetric

Force a Matrix to 'symmetricMatrix' Without Symmetry Checks

sparseLU-class

Sparse LU decomposition of a square sparse matrix

dtCMatrix-class

Triangular, (compressed) sparse column matrices

dtrMatrix-class

Triangular, dense, numeric matrices

atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors

bandSparse

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

ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices

rankMatrix

Rank of a Matrix

ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices

drop0

Drop "Explicit Zeroes" from a Sparse Matrix

nMatrix-class

Class "nMatrix" of Non-zero Pattern Matrices

contrast

Contrast Matrices, Optionally Sparse

CsparseMatrix-class

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

dsyMatrix-class

Symmetric Dense Numeric Matrices

nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices

Cholesky

Cholesky Decomposition of a Sparse Matrix

tcrossprod

Cross-product of transpose

Hilbert

Generate a Hilbert matrix

number-class

Class "number" of Possibly Complex Numbers

facmul

Multiplication by Decomposition Factors

BunchKaufman-methods

Bunch-Kaufman Decomposition Methods

Diagonal

Create Diagonal Matrix Object

printSpMatrix

Print Sparse Matrices Flexibly

rleDiff-class

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

SparseM-conversions

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

abIseq

Sequence Generation of "abIndex", Abstract Index Vectors

sparseMatrix

General Sparse Matrix Construction from Nonzero Entries

USCounties

USCounties Contiguity Matrix

[<--methods

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

denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices

ltrMatrix-class

Triangular Dense Logical Matrices

replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values

diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices

xtabs

Cross Tabulation, Optionally Sparse

Cholesky-class

Cholesky and Bunch-Kaufman Decompositions

image-methods

Methods for image() in Package 'Matrix'

dMatrix-class

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

expm

Matrix Exponential

lsyMatrix-class

Symmetric Dense Logical Matrices

index-class

Virtual Class "index" - Simple Class for Matrix Indices

qr-methods

QR Decomposition -- S4 Methods and Generic

sparseMatrix-class

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

sparse.model.matrix

Construct Sparse Design / Model Matrices

sparseVector-class

Sparse Vector Classes

ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices

dtpMatrix-class

Packed triangular dense matrices

Schur

Schur Decomposition of a Matrix

dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices

spMatrix

Sparse Matrix Constructor From Triplet

rcond

Estimate the Reciprocal Condition Number

externalFormats

Read and write external matrix formats

dgeMatrix-class

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

norm

Matrix Norms

ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices

nsparseMatrix-classes

Sparse "pattern" Matrices

ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices

lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices

kronecker-methods

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

Unused-classes

Virtual Classes Not Yet Really Implemented and Used

CHMfactor-class

CHOLMOD-based Cholesky Factorizations

is.na-methods

is.na() Methods for 'Matrix' Objects

lsparseMatrix-classes

Sparse logical matrices

triangularMatrix-class

Virtual Class of Triangular Matrices in package:Matrix