Learn R Programming

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

Matrix (version 0.999375-33)

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

0.999375-33

License

GPL (>= 2)

Maintainer

Doug

Last Published

December 11th, 2009

Functions in Matrix (0.999375-33)

bdiag

Construct a Block Diagonal Matrix
sparseMatrix

General Sparse Matrix Construction from Nonzero Entries
drop0

Drop "Explicit Zeroes" from a Sparse Matrix
BunchKaufman-methods

Bunch-Kaufman Decomposition Methods
all-methods

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

Class "Schur" of Schur Matrix Factorizations
LU-class

LU (dense) Matrix Decompositions
CsparseMatrix-class

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

Form Row and Column Sums and Means
dMatrix-class

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

Construct a Classed Matrix
dsRMatrix-class

Symmetric Sparse Compressed Row Matrices
dgTMatrix-class

Sparse matrices in triplet form
cBind

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

Virtual Class "ddenseMatrix" of Numeric Dense Matrices
norm

Matrix Norms
index-class

Virtual Class "index" - Simple Class for Matrix Indices
[-methods

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

Class "ddiMatrix" of Diagonal Numeric Matrices
qr-methods

QR Decomposition -- S4 Methods and Generic
dtrMatrix-class

Triangular, dense, numeric matrices
dgCMatrix-class

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

Permutation matrices
replValue-class

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

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

CHOLMOD-based Cholesky Factorizations
sparseVector-class

Sparse Vector Classes
CAex

Albers' example Matrix with "Difficult" Eigen Factorization
Cholesky-class

Cholesky and Bunch-Kaufman Decompositions
abIndex-class

Class "abIndex" of Abstract Index Vectors
kronecker-methods

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

Matrix Methods for Function all.equal()
Diagonal

Create Diagonal Matrix Object
atomicVector-class

Virtual Class "atomicVector" of Atomic Vectors
rankMatrix

Rank of a Matrix
dsCMatrix-class

Numeric Symmetric Sparse (column compressed) Matrices
dsparseMatrix-class

Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
contrast

Contrast Matrices, Optionally Sparse
dgeMatrix-class

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

Nearest Matrix to a Positive Definite Matrix
ldiMatrix-class

Class "ldiMatrix" of Diagonal Logical Matrices
isSymmetric-methods

Methods for Function isSymmetric in Package 'Matrix'
xtabs

Cross Tabulation, Optionally Sparse
sparse.model.matrix

Construct Sparse Design / Model Matrices
nsyMatrix-class

Symmetric Dense Nonzero-Pattern Matrices
Matrix-class

Virtual Class "Matrix" Class of Matrices
KNex

Koenker-Ng Example Sparse Model Matrix and Response Vector
Cholesky

Cholesky Decomposition of a Sparse Matrix
SparseM-conversions

Sparse Matrix Coercion from and to those from package "SparseM"
triangularMatrix-class

Virtual Class of Triangular Matrices in package:Matrix
nnzero

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

Symmetric Dense Numeric Matrices
dtpMatrix-class

Packed triangular dense matrices
image-methods

Methods for image() in Package 'Matrix'
dtCMatrix-class

Triangular, (compressed) sparse column matrices
TsparseMatrix-class

Class "TsparseMatrix" of Sparse Matrices in Triplet Form
compMatrix-class

Class "compMatrix" of Composite (Factorizable) Matrices
nsparseMatrix-classes

Sparse "pattern" Matrices
facmul

Multiplication by Decomposition Factors
MatrixFactorization-class

Class "MatrixFactorization" of Matrix Factorizations
band

Extract bands of a matrix
USCounties

USCounties Contiguity Matrix
chol2inv-methods

Inverse from Choleski or QR Decomposition -- Matrix Methods
ldenseMatrix-class

Virtual Class "ldenseMatrix" of Dense Logical Matrices
lsyMatrix-class

Symmetric Dense Logical Matrices
generalMatrix-class

Class "generalMatrix" of General Matrices
bandSparse

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

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

Class "lgeMatrix" of General Dense Logical Matrices
dgRMatrix-class

Sparse Compressed, Row-oriented Numeric Matrices
spMatrix

Sparse Matrix Constructor From Triplet
Schur

Schur Decomposition of a Matrix
ngeMatrix-class

Class "ngeMatrix" of General Dense Nonzero-pattern Matrices
is.na-methods

is.na() Methods for 'Matrix' Objects
expand

Expand a Decomposition into Factors
ltrMatrix-class

Triangular Dense Logical Matrices
diagonalMatrix-class

Class "diagonalMatrix" of Diagonal Matrices
sparseQR-class

Sparse QR decomposition of a sparse matrix
lu

Triangular Decomposition of a Square Matrix
RsparseMatrix-class

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

Choleski Decomposition - 'Matrix' S4 Generic
expm

Matrix Exponential
ndenseMatrix-class

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

Class "number" of Possibly Complex Numbers
symmetricMatrix-class

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

Positive Semi-definite Dense Numeric Matrices
rcond

Estimate the Reciprocal Condition Number
forceSymmetric

Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
printSpMatrix

Print Sparse Matrices Flexibly
unpack

Full Storage Representation of Packed Matrices
externalFormats

Read and write external matrix formats
tcrossprod

Cross-product of transpose
sparseMatrix-class

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

Class "rleDiff" of rle(diff(.)) Stored Vectors
Unused-classes

Virtual Classes Not Yet Really Implemented and Used
lsparseMatrix-classes

Sparse logical matrices
nMatrix-class

Class "nMatrix" of Non-zero Pattern Matrices
ntrMatrix-class

Triangular Dense Logical Matrices
Hilbert

Generate a Hilbert matrix
denseMatrix-class

Virtual Class "denseMatrix" of All Dense Matrices
sparseLU-class

Sparse LU decomposition of a square sparse matrix