Hi all. I'm working on implementing a solution for extracting slices of multidimensional vectors, in the sense of vectors of vectors. I'm taking the recursive route. I'm almost there, just have to work out a few things. But I was wondering, this being a rather straightforward need, perhaps it's already been done by someone, or maybe it's even in the colujure.contrib libraries somewhere, so I thought I'd come here and ask to see if anybody knows something I don't! I wouldn't want to reinvent the wheel so to speak :)
Anyway, I'm trying to follow the MATLAB path. For instance, suppose this is a 5x5 matrix: (def a [[2 3 5 7 11] [13 17 19 23 29] [31 37 41 43 47] [53 59 61 67 71] [73 79 83 89 97]]) This: (submvec a [[0 2 4] [0 2 4]]) would yield: [[2 5 11] [13 19 29] [31 41 47] [53 61 71] [73 83 97]] (actually a sequence) In other words, [0 2 4] is to be interpreted as [START STRIDE END]. STRIDE should be optional. What do you think? And, above all, has it already been done (or something similar)? Thank you. Rock
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