[Pythoneers] numpy array transformations

[Philipp Plewa]

Here are two suggestions:

np.vstack((a,b)).T

np.dstack((a,b))[0]

Cheers,
Philipp


> On 10.02.2015, at 11:39, Leonard Burtscher <burtscher at mpe.mpg.de> wrote:
> 
> Hi pythoneers,
> 
> Let me try this list with a simple question: I have two numpy ndarrays (a,b), each of size (140,1), and would like to make them a single array of size (140,2).
> 
> I can do this with
> import numpy as np
> a=np.arange(140,1)
> b=np.arange(140,1)
> 
> c=np.concatenate((a,b))
> d=c.reshape(140,2)
> 
> ...but I'm sure there's a shorter way to that. Does anyone know how?
> 
> Thanks and cheers,
> Leo
> 
> 
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