help



El mar, 26-01-2010 a las 17:39 +0000, Leo Butler escribi?:
> 
> On Tue, 26 Jan 2010, henrigirard at hotmail.com wrote:
> 
> < sure :)
> < I didn't notice it wasn't the list...
> < Apparently I can't  put more parametric than two ?
> < 
> < I have only half of the figure ?
> < 
> < scene1: gr2d(title="Taiji",
> < nticks=30,
> < color="red",
> < parametric(cos(t),sin(t),t,0,%pi),
> <     color="black",
> <     parametric(1/2-(1/2*cos(t)),1/2*sin(t),t,0,%pi))$
> <     wxdraw(scene1)$
>  
> You should be able to put as many parametric calls as you like
> in defining scene1. I don't know about wxdraw, though, because
> I don't use the wxMaxima front-end for Maxima.


Yes, it is possible:

wxdraw2d(
   title="Ellipse+Circle",
   nticks=30,
   color="red",
   parametric(2*cos(t),5*sin(t),t,0,2*%pi),
   color="blue",
   parametric(cos(t),sin(t),t,0,2*%pi))$

--
Mario