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Matrix (version 0.999375-6)
A Matrix package for R
Description
Classes and methods for dense and sparse matrices and operations on them using Lapack, CSparse and CHOLMOD
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Install
install.packages('Matrix')
Monthly Downloads
228,362
Version
0.999375-6
License
GPL (>= 2)
Maintainer
Doug
Last Published
March 14th, 2008
Functions in Matrix (0.999375-6)
Search functions
Cholesky-class
Cholesky and Bunch-Kaufman Decompositions
CAex
Albers' example Matrix with "Difficult" Eigen Factorization
nnzero
The Number of Non-Zero Values of a Matrix
MatrixFactorization-class
Class "MatrixFactorization" of Matrix Factorizations
all-methods
"Matrix" Methods for Functions all() and any()
dtRMatrix-class
Triangular Sparse Compressed Row Matrices
dMatrix-class
(Virtual) Class "dMatrix" of "double" Matrices
facmul
Multiplication by Decomposition Factors
dpoMatrix-class
Positive Semi-definite Dense Numeric Matrices
sparseLU-class
Sparse LU decomposition of a square sparse matrix
unpack
Full Storage Representation of Packed Matrices
lsparseMatrix-classes
Sparse logical matrices
TsparseMatrix-class
Class "TsparseMatrix" of Sparse Matrices in Triplet Form
drop0
Drop "Explicit Zeroes" from a Sparse Matrix
nsparseMatrix-classes
Sparse logical matrices
image-methods
Methods for image() in Package 'Matrix'
sparseQR-class
Sparse QR decomposition of a sparse matrix
ddenseMatrix-class
Virtual Class "ddenseMatrix" of Numeric Dense Matrices
dsCMatrix-class
Numeric Symmetric Sparse (column compressed) Matrices
cBind
Versions of 'cbind' and 'rbind' recursively built on cbind2/rbind2
compMatrix-class
Class "compMatrix" of Composite (Factorizable) Matrices
CsparseMatrix-class
Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form
ltrMatrix-class
Triangular Dense Logical Matrices
dgRMatrix-class
Sparse Compressed, Row-oriented Numeric Matrices
Hilbert
Generate a Hilbert matrix
Unused-classes
Virtual Classes Not Yet Used
Diagonal
Create Diagonal Matrix Object
number-class
Class "number" of Possibly Complex Numbers
Matrix-class
Virtual Class "Matrix" Class of Matrices
diagonalMatrix-class
Class "diagonalMatrix" of Diagonal Matrices
ndenseMatrix-class
Virtual Class "ndenseMatrix" of Dense Logical Matrices
triangularMatrix-class
Virtual Class of Triangular Matrices in package:Matrix
forceSymmetric
Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
CHMfactor-class
CHOLMOD-based Cholesky Factorizations
RsparseMatrix-class
Class "RsparseMatrix" of Sparse Matrices in Column-compressed Form
expand
Expand a Decomposition into Factors
SparseM-conversions
Sparse Matrix Coercion from and to those from package "SparseM"
dgTMatrix-class
Sparse matrices in triplet form
band
Extract bands of a matrix
dsyMatrix-class
Symmetric Dense Numeric Matrices
dgeMatrix-class
Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
dCholCMatrix-class
Cholesky Decompositions of dsCMatrix Objects
tcrossprod
Cross-product of transpose
colSums
Form Row and Column Sums and Means
denseMatrix-class
Virtual Class "denseMatrix" of All Dense Matrices
ngeMatrix-class
Class "ngeMatrix" of General Dense Nonzero-pattern Matrices
dtCMatrix-class
Triangular, (compressed) sparse column matrices
Cholesky
Cholesky Decomposition of a Sparse Matrix
index-class
Virtual Class "index" - Simple Class for Matrix Indices
atomicVector-class
Virtual Class "atomicVector" of Atomic Vectors
Schur-class
Class "Schur" of Schur Matrix Factorizations
kronecker-methods
Methods for Function 'kronecker()' in Package 'Matrix'
norm
Matrix Norms
printSpMatrix
Print Sparse Matrices Flexibly
[-methods
Methods for "[": Extraction or Subsetting in Package 'Matrix'
Schur
Schur Decomposition of a Matrix
generalMatrix-class
Class "generalMatrix" of General Matrices
[<--methods
Methods for "[<-" - Assigning to Subsets for 'Matrix'
LU-class
LU (dense) Matrix Decompositions
ldiMatrix-class
Class "ldiMatrix" of Diagonal Logical Matrices
nMatrix-class
Class "nMatrix" of Non-zero Pattern Matrices
ddiMatrix-class
Class "ddiMatrix" of Diagonal Numeric Matrices
isSymmetric-methods
Methods for Function isSymmetric in Package 'Matrix'
symmpart
Symmetric Part and Skew(symmetric) Part of a Matrix
pMatrix-class
Permutation matrices
Matrix
Construct a Classed Matrix
ldenseMatrix-class
Virtual Class "ldenseMatrix" of Dense Logical Matrices
nearPD
Nearest Matrix to a Positive Definite Matrix
ntrMatrix-class
Triangular Dense Logical Matrices
dtpMatrix-class
Packed triangular dense matrices
expm
Matrix exponential
chol
Choleski Decomposition - 'Matrix' S4 Generic
dgCMatrix-class
Compressed, sparse, column-oriented numeric matrices
qr-methods
QR Decomposition -- S4 Methods and Generic
sparseVector-class
Sparse Vector Classes
lgeMatrix-class
Class "lgeMatrix" of General Dense Logical Matrices
rcond
Estimate the Reciprocal Condition Number
replValue-class
Virtual Class "replValue" - Simple Class for subassignment Values
lu
Triangular Decomposition of a Square Matrix
xtabs
Cross Tabulation, Optionally Sparse
spMatrix
Sparse Matrix Constructor From Triplet
dsRMatrix-class
Symmetric Sparse Compressed Row Matrices
dsparseMatrix-class
Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
externalFormats
Read and write external matrix formats
lsyMatrix-class
Symmetric Dense Logical Matrices
nsyMatrix-class
Symmetric Dense Nonzero-Pattern Matrices
sparseMatrix-class
Virtual Class "sparseMatrix" --- Mother of Sparse Matrices
bdiag
Construct a Block Diagonal Matrix
KNex
Koenker-Ng Example Sparse Model Matrix and Response Vector
symmetricMatrix-class
Virtual Class of Symmetric Matrices in package:Matrix