Henning Thielemann wrote:
>
>Do you mean
> [x,y,z,1] * [[1,0,0,0],[0,1,0,0],[0,0,1,0],[dx,dy,dz,dw+1]]
>?
>
>
>
Erm, yes thats what I meant ... but you obviously got the point.
>>but how is this different from adding vectors? If we allow vector
>>addition then we no longer have the nice separation between values and
>>linear operators, as a value can also be a linear operator (a
>>translation)?
>>
>>
>
>???
>
>
>
Well if a vector can be a linear-operator, then surely it _is_ a matrix!
Keean.
_______________________________________________
Haskell-Cafe mailing list
Haskell-Cafe@haskell.org
http://www.haskell.org/mailman/listinfo/haskell-cafe
