[A83] Re: The shape of a cord
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[A83] Re: The shape of a cord
[SNIP]
> Now, it's easy to plug known values in this
> equation. However, to find the general solution,
> we have to substitute a and b with those nasty
> formulae above (after substituting x3 with
> (x1+x2)/2, naturally), and solve for y3,
If the height of the end points (y1 and y2) are not equal, then
I think x3 will not be halfway between x1 and x2. Example:
Q
|
|
|
P /
\ /
\___/
R
1 4 10
(1+10)/2<>4
Sorry for adding to your trouble ;-)
Rob van Wijk
> i. e. express y3 with x1, x2, y1, x2 and l.
>
> That's the homework for today. :)
>
> PG
>
>
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