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Matrix (version 0.999375-23)
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
90,263
Version
0.999375-23
License
GPL (>= 2)
Maintainer
Doug
Last Published
March 31st, 2009
Functions in Matrix (0.999375-23)
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band
Extract bands of a matrix
dgCMatrix-class
Compressed, sparse, column-oriented numeric matrices
RsparseMatrix-class
Class "RsparseMatrix" of Sparse Matrices in Column-compressed Form
Cholesky-class
Cholesky and Bunch-Kaufman Decompositions
CHMfactor-class
CHOLMOD-based Cholesky Factorizations
generalMatrix-class
Class "generalMatrix" of General Matrices
cBind
Versions of 'cbind' and 'rbind' recursively built on cbind2/rbind2
symmetricMatrix-class
Virtual Class of Symmetric Matrices in package:Matrix
chol
Choleski Decomposition - 'Matrix' S4 Generic
dtpMatrix-class
Packed triangular dense matrices
sparseMatrix-class
Virtual Class "sparseMatrix" --- Mother of Sparse Matrices
dgRMatrix-class
Sparse Compressed, Row-oriented Numeric Matrices
ddiMatrix-class
Class "ddiMatrix" of Diagonal Numeric Matrices
ddenseMatrix-class
Virtual Class "ddenseMatrix" of Numeric Dense Matrices
is.na-methods
is.na() Methods for 'Matrix' Objects
Cholesky
Cholesky Decomposition of a Sparse Matrix
all.equal-methods
Matrix Methods for Function all.equal()
dgTMatrix-class
Sparse matrices in triplet form
Matrix
Construct a Classed Matrix
dsRMatrix-class
Symmetric Sparse Compressed Row Matrices
KNex
Koenker-Ng Example Sparse Model Matrix and Response Vector
Diagonal
Create Diagonal Matrix Object
sparseLU-class
Sparse LU decomposition of a square sparse matrix
[-methods
Methods for "[": Extraction or Subsetting in Package 'Matrix'
drop0
Drop "Explicit Zeroes" from a Sparse Matrix
dpoMatrix-class
Positive Semi-definite Dense Numeric Matrices
expand
Expand a Decomposition into Factors
CAex
Albers' example Matrix with "Difficult" Eigen Factorization
diagonalMatrix-class
Class "diagonalMatrix" of Diagonal Matrices
expm
Matrix Exponential
dgeMatrix-class
Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
bandSparse
Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals
dsyMatrix-class
Symmetric Dense Numeric Matrices
dsCMatrix-class
Numeric Symmetric Sparse (column compressed) Matrices
kronecker-methods
Methods for Function 'kronecker()' in Package 'Matrix'
Schur
Schur Decomposition of a Matrix
ntrMatrix-class
Triangular Dense Logical Matrices
index-class
Virtual Class "index" - Simple Class for Matrix Indices
triangularMatrix-class
Virtual Class of Triangular Matrices in package:Matrix
colSums
Form Row and Column Sums and Means
dtCMatrix-class
Triangular, (compressed) sparse column matrices
TsparseMatrix-class
Class "TsparseMatrix" of Sparse Matrices in Triplet Form
rcond
Estimate the Reciprocal Condition Number
norm
Matrix Norms
unpack
Full Storage Representation of Packed Matrices
ngeMatrix-class
Class "ngeMatrix" of General Dense Nonzero-pattern Matrices
nsyMatrix-class
Symmetric Dense Nonzero-Pattern Matrices
number-class
Class "number" of Possibly Complex Numbers
ndenseMatrix-class
Virtual Class "ndenseMatrix" of Dense Logical Matrices
Hilbert
Generate a Hilbert matrix
bdiag
Construct a Block Diagonal Matrix
qr-methods
QR Decomposition -- S4 Methods and Generic
printSpMatrix
Print Sparse Matrices Flexibly
replValue-class
Virtual Class "replValue" - Simple Class for subassignment Values
CsparseMatrix-class
Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form
all-methods
"Matrix" Methods for Functions all() and any()
nearPD
Nearest Matrix to a Positive Definite Matrix
Matrix-class
Virtual Class "Matrix" Class of Matrices
SparseM-conversions
Sparse Matrix Coercion from and to those from package "SparseM"
externalFormats
Read and write external matrix formats
LU-class
LU (dense) Matrix Decompositions
ldiMatrix-class
Class "ldiMatrix" of Diagonal Logical Matrices
dtrMatrix-class
Triangular, dense, numeric matrices
atomicVector-class
Virtual Class "atomicVector" of Atomic Vectors
facmul
Multiplication by Decomposition Factors
symmpart
Symmetric Part and Skew(symmetric) Part of a Matrix
Unused-classes
Virtual Classes Not Yet Really Implemented and Used
USCounties
USCounties Contiguity Matrix
forceSymmetric
Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
Schur-class
Class "Schur" of Schur Matrix Factorizations
isSymmetric-methods
Methods for Function isSymmetric in Package 'Matrix'
sparseMatrix
General Sparse Matrix Construction from Nonzero Entries
ldenseMatrix-class
Virtual Class "ldenseMatrix" of Dense Logical Matrices
nMatrix-class
Class "nMatrix" of Non-zero Pattern Matrices
lgeMatrix-class
Class "lgeMatrix" of General Dense Logical Matrices
BunchKaufman-methods
Bunch-Kaufman Decomposition Methods
spMatrix
Sparse Matrix Constructor From Triplet
sparseVector-class
Sparse Vector Classes
sparseQR-class
Sparse QR decomposition of a sparse matrix
image-methods
Methods for image() in Package 'Matrix'
lu
Triangular Decomposition of a Square Matrix
lsyMatrix-class
Symmetric Dense Logical Matrices
tcrossprod
Cross-product of transpose
nsparseMatrix-classes
Sparse "pattern" Matrices
nnzero
The Number of Non-Zero Values of a Matrix
dsparseMatrix-class
Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
ltrMatrix-class
Triangular Dense Logical Matrices
xtabs
Cross Tabulation, Optionally Sparse
dMatrix-class
(Virtual) Class "dMatrix" of "double" Matrices
MatrixFactorization-class
Class "MatrixFactorization" of Matrix Factorizations
lsparseMatrix-classes
Sparse logical matrices
[<--methods
Methods for "[<-" - Assigning to Subsets for 'Matrix'
compMatrix-class
Class "compMatrix" of Composite (Factorizable) Matrices
denseMatrix-class
Virtual Class "denseMatrix" of All Dense Matrices
pMatrix-class
Permutation matrices