search for: a13174209

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2007 Oct 11
2
Operating matrix positions
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