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