kurtz le pirate <kur### [at] freefr> wrote:

> Simple. Here, half-width a = 24 = c√2.
>
>                    2*π
> Then, length = --------- * c
>                 M(1,1/√2)
>
>


Maybe not so simple?
https://en.wikipedia.org/wiki/Elliptic_function#History

(I only know that because I was trying to hunt down a good overview of
calculating the arc-length of a catenary, and move along the curve at regular
intervals.)

- BW

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