diagonalMatrix-class {Matrix} | R Documentation |
Class "diagonalMatrix" is the virtual class of all diagonal matrices.
A virtual Class: No objects may be created from it.
diag
:"U"
or
"N"
, where "U"
means ‘unit-diagonal’.Dim
:Dimnames
:dimnames
, a
list
, see the Matrix
class
description. Typically list(NULL,NULL)
for diagonal matrices.
Class "denseMatrix"
, directly.
signature(from = "matrix", to = "diagonalMatrix")
: ... signature(from = "diagonalMatrix", to = "triangularMatrix")
: ... signature(from = "diagonalMatrix", to = "matrix")
: ... signature(from = "Matrix", to = "diagonalMatrix")
: ... signature(x = "diagonalMatrix")
: ... signature(x = "dgeMatrix", y = "diagonalMatrix")
: ... signature(x = "matrix", y = "diagonalMatrix")
: ... signature(x = "diagonalMatrix", y = "matrix")
: ... signature(x = "diagonalMatrix", y = "dgeMatrix")
: ...
ddiMatrix
and ldiMatrix
are
“actual” classes extending "diagonalMatrix"
.
I5 <- Diagonal(5) D5 <- Diagonal(x = 10*(1:5)) ## trivial (but explicitly defined) methods: stopifnot(identical(crossprod(I5), I5), identical(tcrossprod(I5), I5), identical(crossprod(I5, D5), D5), identical(tcrossprod(D5, I5), D5))