Create Diagonal Matrix Object
Koenker-Ng Example Sparse Model Matrix and Response Vector
Albers' example Matrix with "Difficult" Eigen Factorization
Class "CsparseMatrix" of Sparse Matrices in Column-compressed Form
Bunch-Kaufman Decomposition Methods
Khatri-Rao Matrix Product
Cholesky Decomposition of a Sparse Matrix
Cholesky and Bunch-Kaufman Decompositions
Class "Schur" of Schur Matrix Factorizations
LU (dense) Matrix Decompositions
CHOLMOD-based Cholesky Factorizations
Generate a Hilbert matrix
Class "RsparseMatrix" of Sparse Matrices in Row-compressed Form
MatrixFactorization-class
Class "MatrixFactorization" of Matrix Factorizations
Methods for "[": Extraction or Subsetting in Package 'Matrix'
Schur Decomposition of a Matrix
Class "abIndex" of Abstract Index Vectors
Sparse Matrix Coercion from and to those from package SparseM
Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals
Extract bands of a matrix
Virtual Class "Matrix" Class of Matrices
Methods for "[<-" - Assigning to Subsets for 'Matrix'
USCounties Contiguity Matrix
Class "TsparseMatrix" of Sparse Matrices in Triplet Form
Construct a Classed Matrix
'cbind()' and 'rbind()' recursively built on cbind2/rbind2
Virtual Class "atomicVector" of Atomic Vectors
The Matrix (Super-) Class of a Class
Class "compMatrix" of Composite (Factorizable) Matrices
Matrix Package Methods for Function all.equal()
Construct a Block Diagonal Matrix
(Virtual) Class "dMatrix" of "double" Matrices
Virtual Class "ddenseMatrix" of Numeric Dense Matrices
Choleski Decomposition - 'Matrix' S4 Generic and Methods
Sequence Generation of "abIndex", Abstract Index Vectors
Compute Approximate CONDition number and 1-Norm of (Large) Matrices
Virtual Class "denseMatrix" of All Dense Matrices
Class "ddiMatrix" of Diagonal Numeric Matrices
Triangular, (compressed) sparse column matrices
"Matrix" Methods for Functions all() and any()
Sparse matrices in triplet form
Positive Semi-definite Dense (Packed | Non-packed) Numeric Matrices
Numeric Symmetric Sparse (column compressed) Matrices
Drop "Explicit Zeroes" from a Sparse Matrix
Triangular Sparse Compressed Row Matrices
Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
Boolean Arithmetic Matrix Products: %&%
and Methods
Expand a (Matrix) Decomposition into Factors
Index Matrices
Matrix Exponential
Inverse from Choleski or QR Decomposition -- Matrix Methods
Methods for image() in Package 'Matrix'
Transform Triangular Matrices from Unit Triangular to General Triangular and Back
Virtual Class "index" - Simple Class for Matrix Indices
Form Row and Column Sums and Means
Force a Matrix to 'symmetricMatrix' Without Symmetry Checks
Symmetric Sparse Compressed Row Matrices
is.na(), is.infinite() Methods for 'Matrix' Objects
Formatting Sparse Numeric Matrices Utilities
Are the Dimnames dn
NULL-like ?
Sparse Compressed, Row-oriented Numeric Matrices
Compressed, sparse, column-oriented numeric matrices
Triangular, dense, numeric matrices
Packed Triangular Dense Matrices - "dtpMatrix"
Methods for Function 'kronecker()' in Package 'Matrix'
Class "diagonalMatrix" of Diagonal Matrices
Class "generalMatrix" of General Matrices
Virtual Class "dsparseMatrix" of Numeric Sparse Matrices
Conversions "graph" <--> (sparse) Matrix
Symmetric Dense (Packed | Non-packed) Numeric Matrices
Class "ldiMatrix" of Diagonal Logical Matrices
Class "lgeMatrix" of General Dense Logical Matrices
Read and write external matrix formats
Virtual Class "ldenseMatrix" of Dense Logical Matrices
Multiplication by Decomposition Factors
isTriangular() and isDiagonal() Checking if Matrix is Triangular or Diagonal
Methods for Function isSymmetric in Package 'Matrix'
Inverse Permutation Vector
Triangular Dense Logical Matrices
The Number of Non-Zero Values of a Matrix
Matrix Norms
Class "ngeMatrix" of General Dense Nonzero-pattern Matrices
QR Decomposition -- S4 Methods and Generic
Nearest Positive Definite Matrix
Map Matrix to its Triplet Representation
Sparse logical matrices
Symmetric Dense Nonzero-Pattern Matrices
General Sparse Matrix Construction from Nonzero Entries
Sparse "pattern" Matrices
Sparse Matrix Constructor From Triplet
Symmetric Dense Logical Matrices
Construct Sparse Design / Model Matrices
Matrix (Cross) Products (of Transpose)
Class "nMatrix" of Non-zero Pattern Matrices
(Generalized) Triangular Decomposition of a Matrix
Virtual Class "ndenseMatrix" of Dense Logical Matrices
Rank of a Matrix
Virtual Classes Not Yet Really Implemented and Used
Triangular Dense Logical Matrices
Representation of Packed and Unpacked (Dense) Matrices
Class "number" of Possibly Complex Numbers
Sparse LU decomposition of a square sparse matrix
Virtual Class "sparseMatrix" --- Mother of Sparse Matrices
Format and Print Sparse Matrices Flexibly
Permutation matrices
Virtual Class of Triangular Matrices in Package Matrix
Sparse QR decomposition of a sparse matrix
Virtual Class of Symmetric Matrices in Package Matrix
Symmetric Part and Skew(symmetric) Part of a Matrix
Virtual Class "replValue" - Simple Class for subassignment Values
Class "rleDiff" of rle(diff(.)) Stored Vectors
Unique (Sorted) TsparseMatrix Representations
Sparse Vector Construction from Nonzero Entries
Sparse Vector Classes
Estimate the Reciprocal Condition Number
Replicate Vectors into 'abIndex' Result
Methods in Package Matrix for Function solve()
Up- and Down-Dating a Cholesky Decomposition
Random Sparse Matrix
World 1-degree grid contiguity matrix