On Fri, Oct 20, 2017 at 1:40 PM, Joseph Fox-Rabinovitz < jfoxrabinov...@gmail.com> wrote:
> I do not think that there is any particular relationship between the > order of the keys and lexicographic order. The key order is just a > convention, which is clearly documented. I agree that it is a bit > counter-intuitive for anyone that has used excel or MATLAB, but it is > ingrained in the API at this point. > When I wrote lexsort for numarray, together with the typed sorting routines, I went back and forth on the key order, but finally decided that the simplest thing would be to leave them in the same order as the sorts. That requires a bit of knowledge as to what the effect of that is, but if one remembers that the last sort dominates it isn't to bad. <snip> Chuck
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