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From: Toon Knapen (toon.knapen_at_[hidden])
Date: 2002-01-19 04:37:59

jhrwalter wrote:

>>>as I know multiplication with a scalar is mathematically always
>>>defined as left multiplication for vectors and matrices.
>>theoretically scalar-matrix multiplication is commutative and thus
> a * M
>>== M * a.
> Hm. I'm not sure, if the rhs is defined at all.

check out
for instance.

> Division is another topic. We once discussed to introduce such a
> division operator for accuracy reasons, although it's usually not
> defined mathematically, too.

what's the diff between M * ( 1 / a ) and M / a * 1

>>Although I think in the long term, all mathematical correct
> expressions
>>should be supported but it is not highest priority.


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