dstack maybe? or does that add a dim on the other end?
--bb

On 11/8/06, Christopher Barker <[EMAIL PROTECTED] > wrote:
HI all,

I'm trying to get the hang of this new r_ and c_ stuff.

I need to take two MxN arrays, and stack them together into one MxNx2
arrays. I found this works:

>>> a = N.ones((3,4))
>>> b = N.ones((3,4)) * 2
>>> a
array([[ 1.,  1.,  1.,  1.],
        [ 1.,  1.,  1.,  1.],
        [ 1.,  1.,  1.,  1.]])
>>> b
array([[ 2.,  2.,  2.,  2.],
        [ 2.,  2.,  2.,  2.],
        [ 2.,  2.,  2.,  2.]])
>>> a.shape = (3,4,1)
>>> b.shape = (3,4,1)
>>> c = N.c_[a,b]
>>> c.shape
(3, 4, 2)
>>> c[0,0]
array([ 1.,  2.])


What I'm wondering is if there is a way to do that without explicitly
adding the extra dimension to a and b before calling c_ ?

-Chris


--
Christopher Barker, Ph.D.
Oceanographer

NOAA/OR&R/HAZMAT         (206) 526-6959   voice
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[EMAIL PROTECTED]

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