On 13 March 2018 at 11:01, Steven D'Aprano <steve+comp.lang.pyt...@pearwood.info> wrote: > On Sat, 10 Mar 2018 11:15:49 +0000, Paul Moore wrote: > >> On 10 March 2018 at 02:18, MRAB <pyt...@mrabarnett.plus.com> wrote: > [...] >>> This might help, although the order they come out might not be what you >>> want: >>> >>> def triples(): >>> for total in itertools.count(1): >>> for i in range(1, total): >>> for j in range(1, total - i): >>> yield i, j, total - (i + j) >> >> Mathematically, that's the usual generalisation of Cantor's diagonal >> argument. > > Thanks MRAB. Paul, do you have a reference for that? Wolfram Mathworld is > not very helpful regarding generalising Cantor's diagonalisation pairing > function. > > (It's not the diagonal argument, that's something else :-)
Sadly, other than my memories of my maths degree from 30 years ago, no I don't. I'll see if I can dig something out. Paul -- https://mail.python.org/mailman/listinfo/python-list
