you haven't given enough info, but maybe you should try without ratsimp.
The taylor series should be integrable as a polynomial in s.
RJF
> -----Original Message-----
> From: maxima-bounces at math.utexas.edu
> [mailto:maxima-bounces at math.utexas.edu] On Behalf Of marco restelli
> Sent: Thursday, April 24, 2008 6:09 AM
> To: maxima at math.utexas.edu
> Subject: Integral of Taylor expansions
>
> Dear list,
> I would like to use Taylor expansions to approximate integrals and
> I see the following problem:
>
> this trivial case works as expected, yielding p(0) l
> pT : taylor(p(s),s,0,0);
> pT : ratsimp(pT);
> pbar : integrate(pT,s,-l/2,l/2);
>
> but when I take
> pT : taylor(p(s),s,0,1);
> pT : ratsimp(pT);
> pbar : integrate(pT,s,-l/2,l/2);
> maxima starts computing and never delivers any result. Does anyone
> have a suggestion?
>
> Thank you!
> Marco
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