[pstricks] \multido

[Juergen Gilg]

Thanks Michael, thanks Marco,

ooooh -- i missed some cases for the square root.

I guess a different approach is better.

> You are taking the square root of 1-(\frac{x^2-y^2-4}{4x})^2, which can be negative if y>x-2. That does not happen until you reach 6 or more iterations.
>
> Michael
>   
Regards,

Juergen

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 Jürgen Gilg
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