Milan Lukic escribi?:
> I have had a lot of fun drawing some regions and surfaces using the
> Draw package. Thank you Mario for the great work.
>
> I encountered a small problem in trying to plot the region bounded by
> x=y-y^2 and the y-axis. Namely, implicit(x=y-y^2,x,0,1/4,y,0,1)
> results in a Lisp error, while replacing 1/4 by 0.25 works fine.
>
This is a work-around for your particular problem, but not a general
solution:
pairs: makelist((u:t/50.0,[u-u^2,u]),t,0,50)$
draw2d(polygon(pairs))$
See also options `transparent', `fill_color', `border', `line_width',
`line_type' and `color' to fit specific needs.
--
Mario Rodriguez Riotorto
www.biomates.net