Create a matrix of list:
> A = matrix(1:4,2,2)
> B = matrix(1:25,5,5)
> C = matrix(1,3,3)
> D = matrix(1,4,4)
> x <- list(A,B,C,D)
> dim(x) <- c(2,2)
> x[[1,1]]
[,1] [,2]
[1,] 1 3
[2,] 2 4
> x[[2,2]]
[,1] [,2] [,3] [,4]
[1,] 1 1 1 1
[2,] 1 1 1 1
[3,] 1 1 1 1
[4,] 1 1 1 1
On 5/21/07, Scott Hyde <[EMAIL PROTECTED]> wrote:
>
>
> I'd like to have a three dimensional array of matrices. I thought I
> could construct a five dimensional array to have the three dimensional array
> of matrices. However, not all of the matrices in the array have the same
> dimensions, which seems to mean I can't use a five dimensional array.
>
> What I'd like is this:
>
> A = matrix(1:4,2,2)
> B = matrix(1:25,5,5)
> C = matrix(1,3,3)
> D = matrix(1,4,4)
>
> I'd like to construct an array for which, if I type F[1,1], it returns
> matrix A, type F[1,2] and it returns B, type F[2,1] and it returns C, or
> type F[2,2] and it returns D.
>
> Essentially, I'd like to be able to access them like they were elements of
> a matrix. Although this example is only a two dimensional array of
> matrices, I'd like it to also work with three dimensions also.
>
> The only thing I thought of to try was to make an array of lists and store
> the matrices inside of an array of lists (where each matrix is stored as a
> list with one item).
>
> Any suggestions?
>
> -Scott
>
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>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem you are trying to solve?
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