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dag
2004 Oct 01
2
multiple dimensional diag()
Hi
I have two arbitrarily dimensioned arrays, "a" and "b", with
length(dim(a))==length(dim(b)). I want to form a sort of
"corner-to-corner" version of abind(), or a multidimensional version
of blockdiag().
In the case of matrices, the function is easy to write and if
a=matrix(1,3,4) and b=matrix(2,2,2), then adiag(a,b) would return:
[,1] [,2] [,3] [,4] [,5]