[Numpy-discussion] creating column vectors

Bill Baxter wbaxter at gmail.com
Wed Feb 8 16:45:22 CST 2006


Thanks.  To be honest I wrote that page in the middle of composing my email
to Chris just so something would be there when people clicked on the link.
:-)    I think my 1-minute draft of that chart needs a different
organization, because, as you point out, things are different in NumPy
depending on whether you have a Matrix or an Array.  Maybe it should be a
3-way comparison of Matlab / NumPy Array / NumPy Matrix instead.

--bb

On 2/9/06, Sven Schreiber <svetosch at gmx.net> wrote:
>
> Bill Baxter schrieb:
>
> >
> > If you can spare the time, I'd love to hear you elaborate on that.  What
> > are some specifics that make you say 'thank goodness for numpy!'?  If
> > you have some good ones, I'd like to put them up on
> > http://www.scipy.org/NumPy_for_Matlab_Addicts (of course you're more
> > than welcome to cut out the middle man and just post them directly on
> > the wiki there yourself...)
> >
> > --Bill Baxter
>
> Just one addition/correction for your page (sorry won't do it myself,
> all those different wiki engines/syntaxes...): a * b is only
> element-wise if a and b are not numpy-matrices, afaik that's the main
> reason why it's so important to know whether you're working with
> numpy-arrays or with its subclass numpy-matrix.
> -sven
>
>
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