Tom Melly wrote:
> Anyone know what function would give a scallop-like wave? (but with the
> waves emanating from the centre of a disk, rather than one edge).
>
> Something like: { y-(sin(x/z))} but without the problem where z=0
>
>
>
Why not try
y-sin(x/(min(z,0.01)) ?
Regis
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