On 29/03/07, Barton Willis <willisb at unk.edu> wrote:
>
> For these equations, solve calls algsys (try trace(algsys)).
> If solve calls algsys, the 'realonly' flag might make
> a difference. I didn't think of this--sorry.
>
> (%i28) algsys([x=asin(45)],[x]), realonly : true;
> (%o28) [[x=asin(45)]]
>
> asin(45) is free of %i, but it isn't real. So be careful.
>
Barton, thank you for your explanation.. I understand now.
Best regards,
bowo