matrix-classes | R Documentation |
An orientation represented by 3 x 3 SO(3) matrices or 3 x 3 skew symmetric matrices
Objects can be created by calls of the form rotmatrix(x)
or skewmatrix(x)
.
The objects store the matrices in a 3 x 3 x n array.
x
:3 x 3 x n array holding the matrices.
Class "orientation"
, directly.
Class "vector"
, by class "orientation".
Extract or assign to subvector
Extract or assign to an entry
The length of the orientation
vector
Coerce methods are defined to convert all orientation
descendants
from one to another, and to coerce an appropriately shaped matrix or array to a rotmatrix
Duncan Murdoch
orientation-class
, vector-classes
, rotmatrix
,
skewmatrix
x <- rotmatrix(matrix(c(1,0,0, 0,1,0, 0,0,1), 3, 3)) x skewmatrix(x)
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