On Wed, 16 Oct 2002 stanevm@mail.uctm.edu wrote:
> Maxima 5.5 ...
> (C1) f(x):=x^3-10*x^2+28.5*x-21;
> (D1) ...
> (C2) rhs(solve(f(x),x)[1]),rectform,numer;
> (D2) 12.01301985645547*%I+10.38424295325536
>
> which is wrong.
>
> Maxima 5.5 ...
> (C1) f(x):=x^3-10*x^2+28.5*x-21;
> (D1) ...
> (C2) numer:true;
> (D2) ...
> (C3) solve(f(x),x)[1],fullratsimp;
> (D3) ...
> (C4) expand(%);
> (D4) x=12.01301985645547*%I+10.38424295325536
>
> and the result is the same one.
>
> To R.Fateman: Yes, I try your code and it is all right.
> To M.Rubey: I was surprised to see that your result is a different one.
In fact, I'm using Maxima 5.9.0rc1, so this might explain the difference,
however, BOTH results are wrong! I'll post it as a bug...
Martin