Colin,

I'll second the endorsement of Sage; however, for teaching purposes, I
would suggest Sage Math Cloud. It is a free, web-based version of Sage, and
it does not require you or the students to install any software (besides a
new-ish web browser). It also make sharing/collaborative work quite easy as
well. I've used this a bit for demos, and it's great. The author William
Stein is good at correcting bugs/issues very quickly.

Sage implements it's own Matrix and Vector classes, and the Vector class
has a "column" method that returns a column vector (transpose).
http://www.sagemath.org/doc/tutorial/tour_linalg.html

For what it's worth, I agree with others about the benefits of avoiding a
Matrix class in Numpy. In my experience, it certainly makes things cleaner
in larger projects when I always use NDArray and just call the appropriate
linear algebra functions (e.g. np.dot, etc) when that is context I need.

Anyway, just my two cents.

Ryan

On Wed, Jan 7, 2015 at 2:44 PM, cjw <c...@ncf.ca> wrote:

>  Thanks Alexander,
>
> I'll look at Sage.
>
> Colin W.
>
>
> On 06-Jan-15 8:38 PM, Alexander Belopolsky wrote:
>
> On Tue, Jan 6, 2015 at 8:20 PM, Nathaniel Smith <n...@pobox.com> 
> <n...@pobox.com> wrote:
>
>
>  Since matrices are now part of some high school curricula, I urge that
>
>  they
>
>  be treated appropriately in Numpy.  Further, I suggest that
>
>  consideration be
>
>  given to establishing V and VT sub-classes, to cover vectors and
>
>  transposed
>
>  vectors.
>
>  The numpy devs don't really have the interest or the skills to create
> a great library for pedagogical use in high schools. If you're
> interested in an interface like this, then I'd suggest creating a new
> package focused specifically on that (which might use numpy
> internally). There's really no advantage in glomming this into numpy
> proper.
>
>
> Sorry for taking this further off-topic, but I recently discovered an
> excellent SAGE package, <http://www.sagemath.org/> 
> <http://www.sagemath.org/>.  While it's targeted
> audience includes math graduate students and research mathematicians, parts
> of it are accessible to schoolchildren.  SAGE is written in Python and
> integrates a number of packages including numpy.
>
> I would highly recommend to anyone interested in using Python for education
> to take a look at SAGE.
>
>
>
>
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