simple way to add harmonics to a fundamental signal

[Conrad Scott]

Martin Czech wrote:
> The question is how to get the x**3, x**2 functions needed.

Excuse my ignorance but why are these required? and, given the later
thread about log/exp converters, I assume that you're talking about
amplitude here and not frequency? (unlike the first part of the post).

Yours, in a pool of darkness and confusion,

// Conrad