This is not what I want.
sage: !cat file1
1 3
2 0
3 10
sage: !cat file2
1 29
2 21
3 -19
sage: a=numpy.loadtxt('file1')
sage: b=numpy.loadtxt('file2')
sage: out = a <some magic function> b
sage: out
array([[ 1., 3. ,29],
[ 2., 0. ,21],
[ 3., 10. ,-19]])
On Sun, Nov 1, 2009 at 3:02 AM, Jason Grout <jason-s...@creativetrax.com>wrote:
>
> yotama9 wrote:
> > Hello.
> >
> > I have several files of data that I want to merge into a single array
> > and then manipulate it (adding a single column to all the column
> > etc.)
> >
> > Each file is constructed of two columns. I want to take the columns of
> > the first file and add to the the second column of each file.
> >
> > Is there a way to do so?
>
> Personally, I would use numpy and numpy.loadtxt for this sort of thing:
>
> sage: !cat file1
> 2 3
> 1 0
> 3 10
> sage: !cat file2
> 23 29
> 20 21
> 3 -19
> sage: import numpy
> sage: a=numpy.loadtxt('file1')
> sage: a
>
> array([[ 2., 3.],
> [ 1., 0.],
> [ 3., 10.]])
> sage: b=numpy.loadtxt('file2')
> sage: b
>
> array([[ 23., 29.],
> [ 20., 21.],
> [ 3., -19.]])
> sage: a+b
>
> array([[ 25., 32.],
> [ 21., 21.],
> [ 6., -9.]])
>
> Jason
>
>
> --
> Jason Grout
>
>
> >
>
--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to sage-support@googlegroups.com
To unsubscribe from this group, send email to
sage-support-unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/sage-support
URL: http://www.sagemath.org
-~----------~----~----~----~------~----~------~--~---
