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Jun 15, 2020 at 7:27 history edited CommunityBot
Commonmark migration
Sep 5, 2013 at 17:15 history edited Pietro Majer CC BY-SA 3.0
edited body
Dec 16, 2011 at 16:46 history rollback Pietro Majer
Rollback to Revision 1
Dec 16, 2011 at 16:41 history edited Pietro Majer CC BY-SA 3.0
added 13 characters in body
Dec 16, 2011 at 16:40 comment added Barry Cipra Pietro, thanks, you're right, I probably should have extended my sum to run all the way to $j=i$. On the other hand, it's not clear how to interpret $0^n$ if $n=0$. Note the OP's sum never uses $w(0)$.
Dec 16, 2011 at 16:26 history answered Pietro Majer CC BY-SA 3.0