On Tue, Apr 28, 2009 at 3:14 AM, <simon.k...@uni-jena.de> wrote:
>
> Dear Sajan.S,
>
> On Apr 28, 6:31 am, "Sajan.S" <ammasa...@gmail.com> wrote:
>> Dear sir,
>>
>> P.< y0, y1, x0, x1> = PolynomialRing(GF(3),4,order='lex');
>>
>> is working in interactive python shell.
>>
>> but not working in python script file executed at command prompt
You could also try naming your script something.sage, then loading it
into sage using
sage: load something.sage
William
>
> This is because the interactive shell has a preparser. Here you can
> see what the preparser returns when you type your command in the
> interactive shell:
>
> sage: preparse("P.< y0, y1, x0, x1> = PolynomialRing(GF(3),
> 4,order='lex')")
> "P = PolynomialRing(GF(Integer(3)),Integer(4),order='lex', names=
> ('y0', 'y1', 'x0', 'x1',)); (y0, y1, x0, x1,) = P._first_ngens(4)"
>
> Python only sees the output of the preparser. In your script, you can
> provide this output, and it will work.
>
> Best regards,
> Simon
> >
>
--
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org
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