Home Original page

numpy, numarray, or numeric?

RickMuller rpmuller at gmail.com
Fri Feb 16 09:19:00 EST 2007 
On Feb 15, 11:23 pm, "Frank" <super... at gmail.com> wrote:
> On Feb 15, 4:40 pm, "Christian Convey" <christian.con... at gmail.com>
> wrote:
>
> > I need to bang out an image processing library (it's schoolwork, so I
> > can't just use an existing one).  But I see three libraries competing
> > for my love: numpy, numarray, and numeric.
>
> > Can anyone recommend which one I should use?  If one is considered the
> > officially blessed one going forward, that would be my ideal.
>
> > Thanks,
> > Christian
>
> Hi,
>
> yeah numpy is the newest one. It has only one drawback, there is no
> comprehensive documentation available that would be free but of course
> you could buy one. numpy is very similar to the other two packages but
> not identical that means one has always some troulbe finding out how
> things work. For example, in numarray you can calculate the
> eigenvectors of a matrix with eigenvectors(A), in numpy it is eig(A).
> This looks similar, but the difference is that in numarray the
> eigenvectors are returned as rows and in numpy as columns.
>
> If someone knows of a free manual, let me know.
>
> Frank


Frank,

I bought the manual, and I do recommend it, but I find the most useful
documentation is in the docstrings, which I view via "pydoc -g" and
then view in a browser.

Rick
More information about the Python-list mailing list