Sorry for the lack of information, and thanks for this great answer!!
That's exactly what I need!!
On Sat, 2009-09-05 at 13:48 -0700, Robert Bradshaw wrote:
> Easy.
>
> sage: M = random_matrix(RDF, 10, 2) # get your data
> sage: s = M.str().replace('[','').replace(']','')
> sage: print s # is this what you want?
> 0.103609743105 -0.00797973769955
> -0.96222133551 -0.341208831103
> -0.904012926167 -0.42972921542
> -0.674427575692 0.338249515207
> 0.497150438999 -0.988927899669
> -0.578398516046 -0.192384884874
> 0.00861554346264 -0.320551899607
> -0.552324001368 -0.913964831699
> -0.0933155483849 -0.0751049307458
> -0.807644562118 -0.282818538055
> sage: open("foo.txt", "w").write(s)
>
> That's it.
>
> sage: !cat foo.txt
> 0.103609743105 -0.00797973769955
> -0.96222133551 -0.341208831103
> -0.904012926167 -0.42972921542
> -0.674427575692 0.338249515207
> 0.497150438999 -0.988927899669
> -0.578398516046 -0.192384884874
> 0.00861554346264 -0.320551899607
> -0.552324001368 -0.913964831699
> -0.0933155483849 -0.0751049307458
> -0.807644562118 -0.282818538055
>
>
> On Sep 5, 2009, at 1:36 PM, Afonso Henriques Silva Leite wrote:
>
> > I forgot to send you the result: the .dat file!!!
> > It is attached. One of which I generated with Mathematica.
> > And the corresponding graphic.
> >
> > On Fri, 2009-09-04 at 15:42 -0500, Jason Grout wrote:
> >> Afonso Henriques Silva Leite wrote:
> >>> Hi, everyone!!!
> >>> Does anybody had to generate and export a .dat file to create a
> >>> graphic
> >>> in another program like xmgrace, to use a more appropriate
> >>> program to
> >>> make graphics?
> >>> I used to do this in Mathematica: with a "for" loop to generate a
> >>> matrix
> >>> with the abscissa and coordinate points as elements, and then
> >>> printed it
> >>> as a .dat file.
> >>> It's possible to do something like this in sage?
> >>
> >>
> >> This is most likely very easy to do.
> >>
> >> Can you give a more specific example? Maybe a function and an
> >> example
> >> .dat file? (and maybe an example of the graph---maybe it's already
> >> possible to generate such a graph in Sage).
> >>
> >> Thanks,
> >>
> >> Jason
> >>
> >>
> >>>
> >
> > >
> > <pifdcaso1q103.dat><prfdcaso1.jpg>
>
>
> >
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