"SharkD" <nomail@nomail> wrote:
> "SharkD" <nomail@nomail> wrote:
> > I've worked things out in excel so that all I need to do is find the equation of
> > this curve:
> >
> > http://img266.imageshack.us/img266/4454/curvepo9.png
> >
> > Unfortunately, I can't figure out what kind of curve it is. It kind of looks
> > like a catenary.
> >
> > -Mike
>
> This curve (a catenary) seems to fit the points fairly closely:
>
> f(x) = 0.2 cosh(x / 0.76) + 0.2
>
> -Mike

Woops! I forgot to scale the function properly. Here's a fixed version:

f(x) = 0.07 cosh(x / 0.28) - 0.07

-Mike

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