The shift in the limit variable happens before simplim%signum is called.
-bw
maxima-bounces at math.utexas.edu wrote on 02/07/2010 10:52:46 PM:
>
> I don't understand why you changed the limit to a limit as x
> approaches 0 from a limit as x approaches 1/a? If you are
> going to return a noun form you could just return
> 'limit(signum(a*x+b),x,1/a)
>