[R] Operating matrix positions
Svempa
fempa at yahoo.com
Fri Oct 12 14:52:55 CEST 2007
Still one problem remains. The list I have is a list where every element
refers to a file, where the actual matrices are. This means problems with
dealing with them. How do I turn the list of references into an actual
vector with real matrices as components?
See below for earlier details.
Svempa wrote:
>
> I have two equally long lists of equally large matrices . I now want to
> generate a column that consists of the differences between position [i,j]
> in matrix k in each list. That is, the first position in this new column
> is 'position [1,1] in matrix 1 (of list 1)' minus 'position [1,1] in
> matrix 1 (of list 2)', and so on, continuing to the next matrix as soon as
> the current one is searched through.
>
> It seems like an easy problem, but I cannot seem to get the loops correct.
>
>
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