Ulf, I am no expect on wavelets and the like. You could try posting
your problem to the wavelet forum at
http://www.ondelette.com/forum/
and see what response you get.
I think you will probably have to pad/interpolate the data to get an
equidistant grid.

Mark


Ulf Markwardt wrote:
>
> Hallo Mark,
>
> > Could you please be a bit more specific [...]
> Maybe it would be easier (for me at least:-)) to tell you what I am looking
> for:
>
> It is a simple problem. Given a set of (x_i, y_i) - values for a funktion.
> And another set (with another size) for a second one. Now I need the
> convolution of both functiones and I want to reduce the number of
> interpolating sections. Thats why I thought of (F)FT where I can ignore the
> high frequencies. As I understand FFT there is probably no trivial way to
> compute the transformation for a non-equidistant grid. How about wavelets?
> (I have to confess, it is my first contact with them).
>
> Regards
> Ulf
>

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