[Numpy-discussion] Problem with Numpy and array

[Youngung Jeong]

Hello,

Use np.loadtxt

>>> a = np.loadtxt(filename)       ##in case no rows to skip.
>>> a = a.transpose()                 ##in your case, I guess you should
transpose it..



Youngung Jeong




On Thu, May 12, 2011 at 7:21 PM, Claudia Chan Yone <
chanyone.claudia at gmail.com> wrote:

> Hi,
>
> I have a problem with the Numpy module, but I think it is a very basic
> issue
> for many of you...
> I have a file with numerical data (2 columns, and 5 lignes) as :
> 1 2
> 3 4
> ... ...
>
> And I woulid like to convert it in a matrix as :
> [[1,2]
> [3,4]
> ...]
>
> My python script is :
>
> fic=open('file.txt','r')
> ligne=fic.readlines()
> fic.close()
>
> m=numpy.array(ligne)
>
> and I get :
> ['1,2\n' '3,4']
>
> So I cannot call m[0][0]...
>
> Even if I modify my text file with :
> [[1,2],
> [3,4]
> ...]
>
> I get :
>
> ['[[1,2],[3,4]]'] and I cannot call m[0][0].
>
> Thank you very much for your help,
>
>
> Clo
>
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