[Numpy-discussion] (no subject)

Till Stensitzki mail.till@gmx...
Thu Mar 3 07:37:46 CST 2011


Alex Ter-Sarkissov <ater1980 <at> gmail.com> writes:

> 
> hi, the question is probably very silly, but can't get my head around itSay
> I have an NxM numerical array. What I want is to obtain the row and
> column number of the smallest value(kinda like find command in Matlab).
> I use something like where(min(array_name)), but keep getting the error
> message. I'd be glad if any1 could have any suggestions in this 
regard.cheers,Alex   
> 
> 
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In [24]: a=np.random.rand(3,3)

In [25]: a
Out[25]: 
array([[ 0.77163699,  0.92324147,  0.20572183],
       [ 0.75230562,  0.06454533,  0.23930423],
       [ 0.9312196 ,  0.62750468,  0.02125804]])

In [26]: np.unravel_index(a.argmin(),a.shape)
Out[26]: (2, 2)




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