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From: boost (boost_at_[hidden])
Date: 2001-10-31 18:39:45


On Wednesday 31 October 2001 23:01, John Suters wrote:
> > transform algorithms might be useful when working with quaternions, for
> Blimey. What are they? All I want to do is multiply in O(nlg(n)) :)
> Yes, again I agree in principle. My motivation was efficient
> multiplication, as I've now noted in other replies. I should have said in
> the first place. My assumption (because it was what I was doing) was that
> the user would have copied the input if needed. I suppose my motivation
> was to avoid creating new vectors if at all possible - hence VECTOR& rather
> than const VECTOR&.

I'de ven be interested in Fourier transforms of matrices, to be specific
the FFT of an array of matrices.

Best wishes,

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