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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Transform products
- From: Hauke Heibel <hauke.heibel@xxxxxxxxxxxxxx>
- Date: Thu, 19 Aug 2010 13:09:07 +0200
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On Thu, Aug 19, 2010 at 1:06 PM, Hauke Heibel
<hauke.heibel@xxxxxxxxxxxxxx> wrote:
> It's bad. The longer I think about it the more it feels as if the old
> version also has its advantages. Especially, because there
>
> A * S * pts_3X
>
> is associative and in the "new" version it is not.
On the other hand-side, this product is so special, that it is
questionable whether one would expect associativity.