[Numpy-discussion] Addressing arrays

Chao YUE chaoyuejoy@gmail....
Mon Jan 30 09:33:05 CST 2012


he is not asking for slicing. he is asking for how to index array by
element value but not element index.

2012/1/30 Zachary Pincus <zachary.pincus@yale.edu>

> a[x,y,:]
>
> Read the slicing part of the tutorial:
> http://www.scipy.org/Tentative_NumPy_Tutorial
> (section 1.6)
>
> And the documentation:
> http://docs.scipy.org/doc/numpy/reference/arrays.indexing.html
>
>
>
> On Jan 30, 2012, at 10:25 AM, Ted To wrote:
>
> > Hi,
> >
> > Is there some straightforward way to access an array by values across a
> > subset of its dimensions?  For example, if I have a three dimensional
> > array a=(x,y,z), can I look at the values of z given particular values
> > for x and y?
> >
> > Thanks,
> > Ted
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>
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