[SciPy-User] getting started with ndarray

[David Goldsmith]

On Wed, May 5, 2010 at 7:28 PM, Victor Eijkhout <eijkhout at tacc.utexas.edu>wrote:

>
> On 2010/05/05, at 9:24 PM, Keith Goodman wrote:
>
> > Here's one way to create arrays:
>
> Thanks. Suppose I don't have the data yet, but I simple want to
> allocate a, oh let's say, 5000x300x20 array?
>

>>> import numpy as np
>>> a = np.zeros((5000, 300, 20))
>>> a.shape
(5000L, 300L, 20L)

IIRC, there's a quicker way if you don't need the array's values
initialized, but I forget what it is.

DG

>
> Victor.
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-- 
Mathematician: noun, someone who disavows certainty when their uncertainty
set is non-empty, even if that set has measure zero.
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