Am Tue, 26 Aug 2008 14:40:18 +0100 schrieb Invisible:

> Michael Zier wrote:
> 
>> http://en.wikipedia.org/wiki/Image:Pendulum_period.svg
> 
> "The graph as well as other important points are simply wrong: The time
> at 90° amplitude is 18% larger than T0 and not 7.3% as shown in the
> plot. Then, the author plots the integrand instead of the integral.
> Furthermore, he calculates sin(th0)/2 instead of sin(th0/2). Means, this
> page is seriously flawed!"

"Author
Alessio Damato; thanks to John wayman, he let me notice a mistake in the 
code."

If you look at the plot, you'll notice that at 90° it shows a deviation 
of 18% indeed. So the file might actually be the corrected one.

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