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This page stinks. There's no pretty diagram and the description doesn't make sense without further information.
Hopefully I've fixed that. Although my 'pretty diagram' isn't currently displaying, unless you follow the links to view it at full size: Wikimedia's servers are running like a dog right now, so maybe they're just catching up with generating the thumbnails... Hey, I'll take a chance that I've improved things sufficiently, and take down the 'this article is confusing' notice. Fuzzypeg★ 10:38, 3 April 2011 (UTC)[reply]
Thanks for the image, Fuzzypeg -- however, your pretty diagram appears to be incorrect. I believe the topmost arrow in the lower-right diagram is facing the wrong direction. Vynce (talk) 23:19, 7 March 2012 (UTC)[reply]
I do agree with Vynce, the arrow is in the wrong direction. Please correct that as it makes difficult for (some) people to understand the algorithm — Preceding unsigned comment added by 89.120.4.153 (talk) 19:52, 16 May 2012 (UTC)[reply]
After spending half an hour on trying to understand how the author drew that curve, I corrected the arrows. --Christi3443 (talk) 21:12, 18 August 2012 (UTC)[reply]