reading matrix from a file
Charles R Harris
charlesr.harris at gmail.com
Wed Nov 8 09:55:41 EST 2006
On 11/8/06, Francesc Altet <faltet at carabos.com> wrote:
>
> A Dimecres 08 Novembre 2006 13:42, amit soni escrigué:
> > Hi,
> > i have a file with following format:
> > 1 2
> > 3 9
> > 2 3
> > 4 4
> > I want to read it and then store the values into two matrices, s.t.
> > A=[1 2;3 9]
> > B=[2 3;4 4]
> >
> > Can anyone tell me how to do this in python?
> > thanks
> > Amit
Try
In [8]: tmp = fromfile('tmp.txt', sep=' ', dtype=int)
In [9]: a = tmp[:4].reshape(2,2)
In [10]: b = tmp[4:].reshape(2,2)
In [11]: a
Out[11]:
array([[1, 2],
[3, 9]])
In [12]: b
Out[12]:
array([[2, 3],
[4, 4]])
Chuck
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