> [...]
>
> > P.S. I would also be interested if people think Vector should be made into
> > a special case of a Matrix.
>
>
> That's an interesting idea.
It's something I've been wondering about for a long time too.
CM's "RealVector" is a mix of
* list of "double"s
* Cartesian vector
* single row/column matrix
The last one implies additional methods ("preMultiply", "operate") which we
could drop.
The second should be defined in the "geometry" package and clearly represent
the notion of Cartesian vector.
The first use could be supported in "MathArrays". And there could be
converters between those classes where they make sense.
> [...]
Gilles
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