Hugo Coolens wrote:
> Following your suggestion I changed the floats by there rational
> equivalents and redid the whole but
> finally I'm left with:
>
> (%i71) result:u[2]/u[1];
> s + 1
> ----- + s
> 2
> (%o71) [--------------------]
> 1 2
> (s + -) (s + 1) - s
> 2
> (%i72) ratsimp(result);
> (%o72) [1]
>
> and I hoped to see:
>
> 4s+1
> ____
> 2s^2+4s+1
>
>
Why? The denominator is not a quadratic. The s^2 terms are cancelled out.
Ray