John Williamson wrote:
> Hmm, I'm not sure, but is this not because the
> blob density function is quadratic? If the blob
> function was exponential (e.g a mixture of
> Gaussian components), wouldn't the second
> derivative be continuous?

I don't know exponential functions very well, but I agree that it
shouldn't be that difficult to get smooth blobs, and that it would only
require the individual blob components to use functions whose second
derivatives match up.

Correct me if I'm wrong...

Rune
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