I don't think so. Interesting.

Victor

----- Original Message -----
From: kalleaho@mappi.helsinki.fi
Date: Monday, March 28, 2011 11:54 pm
Subject: [Csnd] A remarkable formula
To: csound@lists.bath.ac.uk

> Hi,
>
> I got inspired by Victor's tanh() ideas and found this
> remarkable formula
>
> 2*x-1-tanh(a*(2*x-1))/tanh(a)
>
> If x is a phasor going from 0 to 1, this gives an approximate
> sawtooth
> with roughly 2*a harmonics, when a is about 3.5 or greater. Try it!
>
> Is this known?
>
> Kalle
>
>
>
>
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Dr Victor Lazzarini, Senior Lecturer, Dept. of Music,
National University of Ireland, Maynooth