Psy Curve

PSY curve vs Ellen DeGeneres curve<p><a href="http://www.wolframalpha.com/input/?i=PSY%20curve%20vs%20Ellen%20DeGeneres%20curve" rel="nofollow">http://www.wolframalpha.com/input/?i=PSY%20curve%20vs%20Elle...</a>

Wonder how this was generated - surely not by hand? Is there a way of taking a set of splines or similar and creating equations from them, like this?

This reminds me of this clever creation: <a href="http://en.wikipedia.org/wiki/Tuppers_self-referential_formula" rel="nofollow">http://en.wikipedia.org/wiki/Tuppers_self-referential_formul...</a>

Here are all the "person curve" possibilities<p><a href="http://www.wolframalpha.com/input/?i=person+curve&#38;lk=2" rel="nofollow">http://www.wolframalpha.com/input/?i=person+curve&#38;lk=2</a>

I see... so this is what Mr. Wolfram does in his spare time.

pls no