On Sun, 2007-12-30 at 01:31 +0100, J. Simons wrote:
> I tried to plot a signumfunction in the following way : (%i36)
> f(x):=x^3;
> (%o36) f(x):=x^3
> (%i37) plot2d(signum(f(x)),[x,-4,4]);
> But I got no plot at all ?
You did get the plot, but the box is hiding the most important part. Try
this:
plot2d(signum(f(x)),[x,-4,4],[y,-1.1,1.1]);
Regards,
Jaime Villate