Yes, if you are willing to use different binary operations like @+, interval
arithmetic
can be done this way. As you observe, if you want to make ordinary + or -
work on intervals, this won't do it.
RJF
----- Original Message -----
From: "Barton Willis" <willisb at unk.edu>
To: <maxima at math.utexas.edu>
Sent: Friday, May 05, 2006 10:47 AM
Subject: Re: [Maxima] Re: Interval Arithmetic project
> For light-duty work, try something like:
>
> infix("@+");