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    I must protest! Clearly the inner iterator should be called j and the one inside that k. Long-standing mathematical tradition is looking over your shoulder! Commented Oct 1, 2010 at 6:26
  • Huh. I've never done j and k. I see that it's sensible, though. Commented Oct 1, 2010 at 11:56
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    One reason Dijkstra was such a natural fit for computer science was that his name included the three commonest iterator variables in the right order. Commented Oct 1, 2010 at 12:57
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    @glenatron: Finally, a way to remember how to spell that name! Commented Oct 2, 2010 at 0:07