numpy, matplotlib, scipy

David Cournapeau david at ar.media.kyoto-u.ac.jp
Tue Nov 14 20:50:28 CST 2006


Kenny Ortmann wrote:
> I am sorry if this has come up before, I've found some stuff on it but just 
> want to be clear.
> What are the latest versions of numpy matplotlib and scipy that work 
> together.
> I have seen that numpy 1.0rc2 works with the latest scipy until 0.5.2 comes 
> out.
> now with numpy and matplotlib?  I saw that matplotlib 87.5 works with i 
> think the 1.0rc2 also, but i read that mpl was going to release right after 
> numpy 1.0 was released so that they would be compatible.
> I am just trying to upgrade these packages before I create an executable of 
> the program I am working on, and I am running into problems with
> "from matplotlib._ns_nxutils import *
>    ImportError: numpy.core.multiarray failed to imort"
It looks like you have a problem with numpy. First, I would try import 
numpy from a python prompt, to see what's wrong. I would also check that 
numpy is set as the array package in matplolibrc file.

Second, I would check that I install everything "cleanly", that is:
    - first, remove all packages (numpy, scipy and mpl) in site-packages 
directory
    - remove the build directory in each package
    - then build from scratch + test  each package: numpy first, then 
mpl, then scipy.


Concerning versions, I regularly rebuild scipy and numpy from SVN (but 
always test them with import package; package.test(100) to test 
everything), but uses the latest release of mpl (0.87.7 as we speak), on 
linux, without any problem

cheers,

David
>
> -Kenny 
>
>
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