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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