Sparse and Dense Matrix Classes and Methods

abIndex-class | Class "abIndex" of Abstract Index Vectors |

abIseq | Sequence Generation of "abIndex", Abstract Index Vectors |

all.equal-methods | Matrix Package Methods for Function all.equal() |

all-methods | "Matrix" Methods for Functions all() and any() |

atomicVector-class | Virtual Class "atomicVector" of Atomic Vectors |

band | Extract bands of a matrix |

bandSparse | Construct Sparse Banded Matrix from (Sup-/Super-) Diagonals |

bdiag | Construct a Block Diagonal Matrix |

boolean-matprod | Boolean Arithmetic Matrix Products: '%&%' and Methods |

BunchKaufman-methods | Bunch-Kaufman Decomposition Methods |

CAex | Albers' example Matrix with "Difficult" Eigen Factorization |

cBind | Versions of 'cbind' and 'rbind' recursively built on... |

CHMfactor-class | CHOLMOD-based Cholesky Factorizations |

chol | Choleski Decomposition - 'Matrix' S4 Generic and Methods |

chol2inv-methods | Inverse from Choleski or QR Decomposition - Matrix Methods |

Cholesky | Cholesky Decomposition of a Sparse Matrix |

Cholesky-class | Cholesky and Bunch-Kaufman Decompositions |

colSums | Form Row and Column Sums and Means |

compMatrix-class | Class "compMatrix" of Composite (Factorizable) Matrices |

condest | Compute Approximate CONDition number and 1-Norm of (Large)... |

CsparseMatrix-class | Class "CsparseMatrix" of Sparse Matrices in Column-compressed... |

ddenseMatrix-class | Virtual Class "ddenseMatrix" of Numeric Dense Matrices |

ddiMatrix-class | Class "ddiMatrix" of Diagonal Numeric Matrices |

denseMatrix-class | Virtual Class "denseMatrix" of All Dense Matrices |

dgCMatrix-class | Compressed, sparse, column-oriented numeric matrices |

dgeMatrix-class | Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices |

dgRMatrix-class | Sparse Compressed, Row-oriented Numeric Matrices |

dgTMatrix-class | Sparse matrices in triplet form |

Diagonal | Create Diagonal Matrix Object |

diagonalMatrix-class | Class "diagonalMatrix" of Diagonal Matrices |

diagU2N | Transform Triangular Matrices from Unit Triangular to General... |

dMatrix-class | (Virtual) Class "dMatrix" of "double" Matrices |

dpoMatrix-class | Positive Semi-definite Dense (Packed | Non-packed) Numeric... |

drop0 | Drop "Explicit Zeroes" from a Sparse Matrix |

dsCMatrix-class | Numeric Symmetric Sparse (column compressed) Matrices |

dsparseMatrix-class | Virtual Class "dsparseMatrix" of Numeric Sparse Matrices |

dsRMatrix-class | Symmetric Sparse Compressed Row Matrices |

dsyMatrix-class | Symmetric Dense (Packed | Non-packed) Numeric Matrices |

dtCMatrix-class | Triangular, (compressed) sparse column matrices |

dtpMatrix-class | Packed Triangular Dense Matrices - "dtpMatrix" |

dtrMatrix-class | Triangular, dense, numeric matrices |

dtRMatrix-class-def | Triangular Sparse Compressed Row Matrices |

expand | Expand a Decomposition into Factors |

expm | Matrix Exponential |

externalFormats | Read and write external matrix formats |

facmul | Multiplication by Decomposition Factors |

forceSymmetric | Force a Matrix to 'symmetricMatrix' Without Symmetry Checks |

formatSparseM | Formatting Sparse Numeric Matrices Utilities |

generalMatrix-class | Class "generalMatrix" of General Matrices |

graph2T | Conversions "graph" <-> (sparse) Matrix |

Hilbert | Generate a Hilbert matrix |

image-methods | Methods for image() in Package 'Matrix' |

index-class | Virtual Class "index" - Simple Class for Matrix Indices |

indMatrix-class | Index Matrices |

invPerm | Inverse Permutation Vector |

is.na-methods | is.na(), is.infinite() Methods for 'Matrix' Objects |

is.null.DN | Are the Dimnames 'dn' NULL-like ? |

isSymmetric-methods | Methods for Function isSymmetric in Package 'Matrix' |

isTriangular | isTriangular() and isDiagonal() Methods |

KhatriRao | Khatri-Rao Matrix Product |

KNex | Koenker-Ng Example Sparse Model Matrix and Response Vector |

kronecker-methods | Methods for Function 'kronecker()' in Package 'Matrix' |

ldenseMatrix-class | Virtual Class "ldenseMatrix" of Dense Logical Matrices |

ldiMatrix-class | Class "ldiMatrix" of Diagonal Logical Matrices |

lgeMatrix-class | Class "lgeMatrix" of General Dense Logical Matrices |

lsparseMatrix-classes | Sparse logical matrices |

lsyMatrix-class | Symmetric Dense Logical Matrices |

ltrMatrix-class | Triangular Dense Logical Matrices |

lu | (Generalized) Triangular Decomposition of a Matrix |

LU-class | LU (dense) Matrix Decompositions |

Matrix | Construct a Classed Matrix |

Matrix-class | Virtual Class "Matrix" Class of Matrices |

MatrixClass | The Matrix (Super-) Class of a Class |

MatrixFactorization-class | Class "MatrixFactorization" of Matrix Factorizations |

matrix-products | Matrix (Cross) Products (of Transpose) |

ndenseMatrix-class | Virtual Class "ndenseMatrix" of Dense Logical Matrices |

nearPD | Nearest Positive Definite Matrix |

ngeMatrix-class | Class "ngeMatrix" of General Dense Nonzero-pattern Matrices |

nMatrix-class | Class "nMatrix" of Non-zero Pattern Matrices |

nnzero | The Number of Non-Zero Values of a Matrix |

norm | Matrix Norms |

nsparseMatrix-classes | Sparse "pattern" Matrices |

nsyMatrix-class | Symmetric Dense Nonzero-Pattern Matrices |

ntrMatrix-class | Triangular Dense Logical Matrices |

number-class | Class "number" of Possibly Complex Numbers |

pMatrix-class | Permutation matrices |

printSpMatrix | Format and Print Sparse Matrices Flexibly |

qr-methods | QR Decomposition - S4 Methods and Generic |

rankMatrix | Rank of a Matrix |

rcond | Estimate the Reciprocal Condition Number |

rep2abI | Replicate Vectors into 'abIndex' Result |

replValue-class | Virtual Class "replValue" - Simple Class for subassignment... |

rleDiff-class | Class "rleDiff" of rle(diff(.)) Stored Vectors |

rsparsematrix | Random Sparse Matrix |

RsparseMatrix-class | Class "RsparseMatrix" of Sparse Matrices in Column-compressed... |

Schur | Schur Decomposition of a Matrix |

Schur-class | Class "Schur" of Schur Matrix Factorizations |

solve-methods | Methods in Package Matrix for Function 'solve()' |

sparseLU-class | Sparse LU decomposition of a square sparse matrix |

sparseMatrix | General Sparse Matrix Construction from Nonzero Entries |

sparseMatrix-class | Virtual Class "sparseMatrix" - Mother of Sparse Matrices |

SparseM-conv | Sparse Matrix Coercion from and to those from package... |

sparse.model.matrix | Construct Sparse Design / Model Matrices |

sparseQR-class | Sparse QR decomposition of a sparse matrix |

sparseVector | Sparse Vector Construction from Nonzero Entries |

sparseVector-class | Sparse Vector Classes |

spMatrix | Sparse Matrix Constructor From Triplet |

Subassign-methods | Methods for "[<-" - Assigning to Subsets for 'Matrix' |

symmetricMatrix-class | Virtual Class of Symmetric Matrices in Package Matrix |

symmpart | Symmetric Part and Skew(symmetric) Part of a Matrix |

triangularMatrix-class | Virtual Class of Triangular Matrices in Package Matrix |

TsparseMatrix-class | Class "TsparseMatrix" of Sparse Matrices in Triplet Form |

uniqTsparse | Unique (Sorted) TsparseMatrix Representations |

unpack | Representation of Packed and Unpacked (Dense) Matrices |

unused-classes | Virtual Classes Not Yet Really Implemented and Used |

updown | Up- and Down-Dating a Cholesky Decomposition |

USCounties | USCounties Contiguity Matrix |

Xtrct-methods | Methods for "[": Extraction or Subsetting in Package 'Matrix' |

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