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Possible Duplicate:
Writing a function $f$ when $x$ and $f(x)$ are known

I'm not versed in mathematics, so you'll have to speak slowly...

If I want to fit a curve to the points,

X  Y 1  0.5 2  5.0 3  0.5 4  2.5 5  5.0 6  0.5 

Where would I begin? For my purposes, this needs to be a sixth-order fit...

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    You're exactly right, Robjohn...That solved my problem.2012-05-16

3 Answers 3