Now, the following makes sense to me:

http://en.wikipedia.org/wiki/Charles_Hermite

So, what is the practical value of hermite curves?
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I have no idea the meaning of the following, but it does show what the curves look like:
http://en.wikipedia.org/wiki/Cubic_Hermite_spline

http://www.cubic.org/docs/hermite.htm

G~O~D--Now & ForeverIS:Nature, Nurture & PNEUMA-ture, Thanks to Warren Farr&ME AT www.unitheist.org