Indexing methods for SparseArray
and MriImage
objects. For the latter class, arguments are passed to the equivalents for
array
or SparseArray
, except where i
is another
MriImage
object, where its nonzero region will be used to
provide the indices. For SparseArray
, indexing may be blank,
or by numeric vector or matrix.
# S4 method for SparseArray,ANY,ANY
[(x, i, j, ..., drop = TRUE)# S4 method for SparseArray,ANY,ANY
[(x, i, j, ...) <- value
# S4 method for MriImage,missing,missing
[(x, i, j, ..., drop = TRUE)
# S4 method for MriImage,ANY,missing
[(x, i, j, ..., drop = TRUE)
# S4 method for MriImage,missing,ANY
[(x, i, j, ..., drop = TRUE)
# S4 method for MriImage,ANY,ANY
[(x, i, j, ..., drop = TRUE)
# S4 method for MriImage,MriImage,missing
[(x, i, j, ..., drop = TRUE)
# S4 method for MriImage,missing,missing
[(x, i, j, ...) <- value
# S4 method for MriImage,ANY,missing
[(x, i, j, ...) <- value
# S4 method for MriImage,missing,ANY
[(x, i, j, ...) <- value
# S4 method for MriImage,ANY,ANY
[(x, i, j, ...) <- value
# S4 method for MriImage,MriImage,missing
[(x, i, j, ...) <- value
A vector, array or SparseArray
.
An object of the appropriate type.
Indexing objects.
Scalar value: should unitary dimensions be dropped?
New value(s) for replacement forms.
Jon Clayden