Yes, "algebraic" only works in the CRE package, so
block([algebraic:true],ratdisrep(rat(n))) is what you want if you want a
general representation result, as you say. Is there some problem you're
having with that approach?
-s
On Fri, Dec 20, 2013 at 3:50 PM, Ricardo JF <rcrdjf at hotmail.com> wrote:
> how can i get the Rationalisation (general expression)?
>
> 1/sqrt(7) --> sqrt(7)/7
>
> ...........................
> n:1/sqrt(7);
>
> rat(n),algebraic; (CRE) ok
>
> ratdisrep(rat(n)), algebraic; (general expression)?
>
> ...........................
>
> thanks.
>
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