newbie question, real positive solutions of an equation



El jue, 07-12-2006 a las 09:11 +0100, Hugo Coolens escribi?:
> I'm using Maxima to solve some equations, which Maxima does very well.
> Maxima shows me _all_ the roots: positive, negative, zero and 
> complex. 
> I suppose there must be a method to show only the roots which are 
> real and positive. Or maybe it is possible to make Maxima look only for 
> the positive ones thus not wasting time looking for complex and negative 
> roots?
> Can anyone here tell me how to accomplish this?

To get only real solutions,

realonly:true$
algsys([x^2+x+1],[x]);


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Mario Rodriguez Riotorto
www.biomates.net