[Haskell-cafe] Re: matrix computations based on the GSL

[Henning Thielemann]

On Fri, 8 Jul 2005, Keean Schupke wrote:

> Is a matrix is a linear operation on a vector,

It _is_ not a linear map, but it is a canonical representation of a linear
map.

> does it not make sense to define matrix applicaion:
>
>     mapply :: Matrix -> Vector -> Vector
>
> Then you can define say:
>
>     rotate90 = mapply rotationMatrix90
>
>     v' = rotate90  v

... that's what I said about mulVec.