signum-plot



> load("draw");
> draw2d( explicit( signum(x^3), x,-4,4, y,-2,+2) )
>   
Hello,

The correct syntax is

draw2d( explicit( signum(x^3), x,-4,4), yrange=[-2,2]);

The explicit object needs only the x-domain.

As Wolfgang mentioned, write

? explicit;

for more info.

Happy new year.

-- 
Mario Rodriguez Riotorto
www.biomates.net