| dgeMatrix-class {Matrix} | R Documentation |
Class "dgeMatrix" of Dense Numeric (S4 Class) Matrices
Description
A general numeric dense matrix in the S4 Matrix
representation. dgeMatrix is the “standard”
class for dense numeric matrices in the Matrix package.
Objects from the Class
Objects can be created by calls of the form new("dgeMatrix", ...)
or, more commonly, by coercion from the Matrix class (see
Matrix) or by Matrix(..).
Slots
x:Object of class
"numeric"- the numeric values contained in the matrix, in column-major order.Dim:Object of class
"integer"- the dimensions of the matrix - must be an integer vector with exactly two non-negative values.Dimnames:a list of length two - inherited from class
Matrix.factors:Object of class
"list"- a list of factorizations of the matrix.
Methods
The are group methods (see, e.g., Arith)
- Arith
signature(e1 = "dgeMatrix", e2 = "dgeMatrix"): ...- Arith
signature(e1 = "dgeMatrix", e2 = "numeric"): ...- Arith
signature(e1 = "numeric", e2 = "dgeMatrix"): ...- Math
signature(x = "dgeMatrix"): ...- Math2
signature(x = "dgeMatrix", digits = "numeric"): ...
matrix products %*%,
crossprod() and tcrossprod(),
several solve methods,
and other matrix methods available:
- Schur
signature(x = "dgeMatrix", vectors = "logical"): ...- Schur
signature(x = "dgeMatrix", vectors = "missing"): ...- chol
signature(x = "dgeMatrix"): seechol.- colMeans
signature(x = "dgeMatrix"): columnwise means (averages)- colSums
signature(x = "dgeMatrix"): columnwise sums- diag
signature(x = "dgeMatrix"): ...- dim
signature(x = "dgeMatrix"): ...- dimnames
signature(x = "dgeMatrix"): ...- eigen
signature(x = "dgeMatrix", only.values= "logical"): ...- eigen
signature(x = "dgeMatrix", only.values= "missing"): ...- norm
signature(x = "dgeMatrix", type = "character"): ...- norm
signature(x = "dgeMatrix", type = "missing"): ...- rcond
signature(x = "dgeMatrix", norm = "character")ornorm = "missing": the reciprocal condition number,rcond().- rowMeans
signature(x = "dgeMatrix"): rowwise means (averages)- rowSums
signature(x = "dgeMatrix"): rowwise sums- t
signature(x = "dgeMatrix"): matrix transpose
See Also
Classes Matrix,
dtrMatrix, and dsyMatrix.