[Tutor] From Numpy Import *
Evert Rol
evert.rol at gmail.com
Fri Nov 9 10:10:46 CET 2007
> Thank-you! It is important for us to avoid potential code
> conflicts and so we'll standardize on the import <package name>
> syntax.
>
> On a related note:
> We are using both NumPy and SciPy. Consider the example y = Ax
> where A is a sparse matrix. If A is qualified as a scipy object
> then do y and x also have to be scipy objects or can they be numpy
> objects?
scipy is mostly written with numpy as its core, so in general you
should be able to use numpy objects with scipy objects (not sure, but
I guess most scipy objects will have a numpy object as their base).
The best is simply to try it out! In this particular case, x can be a
numpy array; y is created in the process, so will be the type of
object most suited to the outcome of the equation (ie, you cannot
state beforehand if it's a numpy or scipy object); in this case,
again a numpy array.
See also the scipy tutorial on the scipy.org website, where numpy and
scipy objects are freely mixed.
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