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Matrix (version 0.999375-46)
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
107,780
Version
0.999375-46
License
GPL (>= 2)
Maintainer
Doug
Last Published
December 15th, 2010
Functions in Matrix (0.999375-46)
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MatrixFactorization-class
Class "MatrixFactorization" of Matrix Factorizations
sparseVector-class
Sparse Vector Classes
kronecker-methods
Methods for Function 'kronecker()' in Package 'Matrix'
forceSymmetric
Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
dMatrix-class
(Virtual) Class "dMatrix" of "double" Matrices
ltrMatrix-class
Triangular Dense Logical Matrices
ngeMatrix-class
Class "ngeMatrix" of General Dense Nonzero-pattern Matrices
chol2inv-methods
Inverse from Choleski or QR Decomposition -- Matrix Methods
atomicVector-class
Virtual Class "atomicVector" of Atomic Vectors
Matrix
Construct a Classed Matrix
CAex
Albers' example Matrix with "Difficult" Eigen Factorization
KNex
Koenker-Ng Example Sparse Model Matrix and Response Vector
Cholesky
Cholesky Decomposition of a Sparse Matrix
dgRMatrix-class
Sparse Compressed, Row-oriented Numeric Matrices
dpoMatrix-class
Positive Semi-definite Dense Numeric Matrices
Diagonal
Create Diagonal Matrix Object
lgeMatrix-class
Class "lgeMatrix" of General Dense Logical Matrices
rep2abI
Replicate Vectors into 'abIndex' Result
dsparseMatrix-class
Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
abIndex-class
Class "abIndex" of Abstract Index Vectors
nsparseMatrix-classes
Sparse "pattern" Matrices
rankMatrix
Rank of a Matrix
Unused-classes
Virtual Classes Not Yet Really Implemented and Used
Hilbert
Generate a Hilbert matrix
dgTMatrix-class
Sparse matrices in triplet form
isSymmetric-methods
Methods for Function isSymmetric in Package 'Matrix'
diagonalMatrix-class
Class "diagonalMatrix" of Diagonal Matrices
is.na-methods
is.na() Methods for 'Matrix' Objects
ndenseMatrix-class
Virtual Class "ndenseMatrix" of Dense Logical Matrices
USCounties
USCounties Contiguity Matrix
sparseMatrix
General Sparse Matrix Construction from Nonzero Entries
[<--methods
Methods for "[<-" - Assigning to Subsets for 'Matrix'
abIseq
Sequence Generation of "abIndex", Abstract Index Vectors
spMatrix
Sparse Matrix Constructor From Triplet
TsparseMatrix-class
Class "TsparseMatrix" of Sparse Matrices in Triplet Form
sparse.model.matrix
Construct Sparse Design / Model Matrices
ntrMatrix-class
Triangular Dense Logical Matrices
generalMatrix-class
Class "generalMatrix" of General Matrices
ldenseMatrix-class
Virtual Class "ldenseMatrix" of Dense Logical Matrices
symmpart
Symmetric Part and Skew(symmetric) Part of a Matrix
nMatrix-class
Class "nMatrix" of Non-zero Pattern Matrices
lsparseMatrix-classes
Sparse logical matrices
Schur-class
Class "Schur" of Schur Matrix Factorizations
dgeMatrix-class
Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
bandSparse
Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals
triangularMatrix-class
Virtual Class of Triangular Matrices in package:Matrix
number-class
Class "number" of Possibly Complex Numbers
dtCMatrix-class
Triangular, (compressed) sparse column matrices
xtabs
Cross Tabulation, Optionally Sparse
dsyMatrix-class
Symmetric Dense Numeric Matrices
nsyMatrix-class
Symmetric Dense Nonzero-Pattern Matrices
ddiMatrix-class
Class "ddiMatrix" of Diagonal Numeric Matrices
dgCMatrix-class
Compressed, sparse, column-oriented numeric matrices
Schur
Schur Decomposition of a Matrix
[-methods
Methods for "[": Extraction or Subsetting in Package 'Matrix'
all-methods
"Matrix" Methods for Functions all() and any()
CsparseMatrix-class
Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form
ldiMatrix-class
Class "ldiMatrix" of Diagonal Logical Matrices
SparseM-conversions
Sparse Matrix Coercion from and to those from package "SparseM"
condest
Compute Approximate CONDition number and 1-Norm of (Large) Matrices
formatSparseM
Formatting Sparse Numeric Matrices Utilities
nnzero
The Number of Non-Zero Values of a Matrix
dsCMatrix-class
Numeric Symmetric Sparse (column compressed) Matrices
replValue-class
Virtual Class "replValue" - Simple Class for subassignment Values
index-class
Virtual Class "index" - Simple Class for Matrix Indices
denseMatrix-class
Virtual Class "denseMatrix" of All Dense Matrices
BunchKaufman-methods
Bunch-Kaufman Decomposition Methods
expm
Matrix Exponential
drop0
Drop "Explicit Zeroes" from a Sparse Matrix
sparseMatrix-class
Virtual Class "sparseMatrix" --- Mother of Sparse Matrices
qr-methods
QR Decomposition -- S4 Methods and Generic
symmetricMatrix-class
Virtual Class of Symmetric Matrices in package:Matrix
chol
Choleski Decomposition - 'Matrix' S4 Generic
dtrMatrix-class
Triangular, dense, numeric matrices
bdiag
Construct a Block Diagonal Matrix
cBind
Versions of 'cbind' and 'rbind' recursively built on cbind2/rbind2
nearPD
Nearest Positive Definite Matrix
sparseLU-class
Sparse LU decomposition of a square sparse matrix
expand
Expand a Decomposition into Factors
dsRMatrix-class
Symmetric Sparse Compressed Row Matrices
pMatrix-class
Permutation matrices
all.equal-methods
Matrix Package Methods for Function all.equal()
norm
Matrix Norms
band
Extract bands of a matrix
Matrix-class
Virtual Class "Matrix" Class of Matrices
RsparseMatrix-class
Class "RsparseMatrix" of Sparse Matrices in Column-compressed Form
Cholesky-class
Cholesky and Bunch-Kaufman Decompositions
colSums
Form Row and Column Sums and Means
image-methods
Methods for image() in Package 'Matrix'
sparseQR-class
Sparse QR decomposition of a sparse matrix
lsyMatrix-class
Symmetric Dense Logical Matrices
externalFormats
Read and write external matrix formats
lu
Triangular Decomposition of a Square Matrix
ddenseMatrix-class
Virtual Class "ddenseMatrix" of Numeric Dense Matrices
unpack
Full Storage Representation of Packed Matrices
CHMfactor-class
CHOLMOD-based Cholesky Factorizations
facmul
Multiplication by Decomposition Factors
LU-class
LU (dense) Matrix Decompositions
dtpMatrix-class
Packed triangular dense matrices
rcond
Estimate the Reciprocal Condition Number
rleDiff-class
Class "rleDiff" of rle(diff(.)) Stored Vectors
compMatrix-class
Class "compMatrix" of Composite (Factorizable) Matrices
printSpMatrix
Format and Print Sparse Matrices Flexibly
tcrossprod
Cross-product of transpose