Learn R Programming

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

Matrix (version 1.0-5)

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

90,263

Version

1.0-5

License

GPL (>= 2)

Maintainer

Doug

Last Published

March 15th, 2012

Functions in Matrix (1.0-5)

[-methods

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

Generate a Hilbert matrix
all.equal-methods

Matrix Package Methods for Function all.equal()
ddiMatrix-class

Class "ddiMatrix" of Diagonal Numeric Matrices
TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form
image-methods

Methods for image() in Package 'Matrix'
nnzero

The Number of Non-Zero Values of a Matrix
Cholesky-class

Cholesky and Bunch-Kaufman Decompositions
CAex

Albers' example Matrix with "Difficult" Eigen Factorization
cBind

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

LU (dense) Matrix Decompositions
CHMfactor-class

CHOLMOD-based Cholesky Factorizations
drop0

Drop "Explicit Zeroes" from a Sparse Matrix
rankMatrix

Rank of a Matrix
ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices
kronecker-methods

Methods for Function 'kronecker()' in Package 'Matrix'
all-methods

"Matrix" Methods for Functions all() and any()
Schur-class

Class "Schur" of Schur Matrix Factorizations
dtRMatrix-class

Triangular Sparse Compressed Row Matrices
forceSymmetric

Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
SparseM-conversions

Sparse Matrix Coercion from and to those from package "SparseM"
[<--methods

Methods for "[<-" - Assigning to Subsets for 'Matrix'
diagU2N

Transform Triangular Matrices from Unit Triangular to General and back
expand

Expand a Decomposition into Factors
ddenseMatrix-class

Virtual Class "ddenseMatrix" of Numeric Dense Matrices
Unused-classes

Virtual Classes Not Yet Really Implemented and Used
atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors
facmul

Multiplication by Decomposition Factors
sparseLU-class

Sparse LU decomposition of a square sparse matrix
dsyMatrix-class

Symmetric Dense Numeric Matrices
ndenseMatrix-class

Virtual Class "ndenseMatrix" of Dense Logical Matrices
sparseQR-class

Sparse QR decomposition of a sparse matrix
Matrix-class

Virtual Class "Matrix" Class of Matrices
band

Extract bands of a matrix
sparseMatrix-class

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

Triangular, (compressed) sparse column matrices
ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices
dtpMatrix-class

Packed triangular dense matrices
lgeMatrix-class

Class "lgeMatrix" of General Dense Logical Matrices
rcond

Estimate the Reciprocal Condition Number
bandSparse

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

Full Storage Representation of Packed Matrices
dgTMatrix-class

Sparse matrices in triplet form
condest

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

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

Nearest Positive Definite Matrix
printSpMatrix

Format and Print Sparse Matrices Flexibly
Schur

Schur Decomposition of a Matrix
sparseMatrix

General Sparse Matrix Construction from Nonzero Entries
Cholesky

Cholesky Decomposition of a Sparse Matrix
is.na-methods

is.na() Methods for 'Matrix' Objects
nsparseMatrix-classes

Sparse "pattern" Matrices
KNex

Koenker-Ng Example Sparse Model Matrix and Response Vector
CsparseMatrix-class

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

USCounties Contiguity Matrix
Matrix

Construct a Classed Matrix
compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices
dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices
symmetricMatrix-class

Virtual Class of Symmetric Matrices in package:Matrix
dMatrix-class

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

Symmetric Part and Skew(symmetric) Part of a Matrix
RsparseMatrix-class

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

Matrix Norms
lsparseMatrix-classes

Sparse logical matrices
BunchKaufman-methods

Bunch-Kaufman Decomposition Methods
chol

Choleski Decomposition - 'Matrix' S4 Generic
nMatrix-class

Class "nMatrix" of Non-zero Pattern Matrices
bdiag

Construct a Block Diagonal Matrix
dgeMatrix-class

Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
chol2inv-methods

Inverse from Choleski or QR Decomposition -- Matrix Methods
qr-methods

QR Decomposition -- S4 Methods and Generic
pMatrix-class

Permutation matrices
colSums

Form Row and Column Sums and Means
lu

(Generalized) Triangular Decomposition of a Matrix
expm

Matrix Exponential
dgRMatrix-class

Sparse Compressed, Row-oriented Numeric Matrices
ntrMatrix-class

Triangular Dense Logical Matrices
number-class

Class "number" of Possibly Complex Numbers
MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations
sparseVector-class

Sparse Vector Classes
denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices
abIseq

Sequence Generation of "abIndex", Abstract Index Vectors
triangularMatrix-class

Virtual Class of Triangular Matrices in package:Matrix
dgCMatrix-class

Compressed, sparse, column-oriented numeric matrices
index-class

Virtual Class "index" - Simple Class for Matrix Indices
sparse.model.matrix

Construct Sparse Design / Model Matrices
generalMatrix-class

Class "generalMatrix" of General Matrices
dpoMatrix-class

Positive Semi-definite Dense Numeric Matrices
formatSparseM

Formatting Sparse Numeric Matrices Utilities
ltrMatrix-class

Triangular Dense Logical Matrices
replValue-class

Virtual Class "replValue" - Simple Class for subassignment Values
tcrossprod

Cross-product of transpose
spMatrix

Sparse Matrix Constructor From Triplet
rep2abI

Replicate Vectors into 'abIndex' Result
diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices
abIndex-class

Class "abIndex" of Abstract Index Vectors
isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'
lsyMatrix-class

Symmetric Dense Logical Matrices
nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices
Diagonal

Create Diagonal Matrix Object
dsRMatrix-class

Symmetric Sparse Compressed Row Matrices
externalFormats

Read and write external matrix formats
ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices