Thank you Raul,
I have never seen J listed as a CAS language, you are saying it is?
If so, I should get that zero 0, right? And get a pi or e symbol to some of the answers.
----- Original Message -----
From: Raul Miller <
rauldmiller@...>
Date: Sunday, November 1, 2009 11:39 pm
Subject: Re: [Jgeneral] any news on J becoming CAS?
To: General forum <
general@...>
> On Mon, Nov 2, 2009 at 12:43 AM, DIETER ENSSLEN
> <
ultrarunner@...> wrote:
> > 1+x:^o.0j1 does indeed produce a 0
> >
> > as opposed to 1+ 1x1^(1p1*0j1) which produces 0j1.22465e_16
> which is a 'practical' zero but not a say 1.1e_330 type of zero
> >
> > and both I trust represents e^(pi* i) +1 = 0
> >
> > I would guess there are many other situations where 0, pi, and
> e and such do not happen as neatly as in your example. In a CAS
> the answer to the above is 0 no matter how you write it.
>
> Then, 1+ 1x1^(1p1*0j1) would not an example of a subset of J
> which is a CAS.
>
> --
> Raul
> -----------------------------------------------------------------
> -----
> For information about J forums see
http://www.jsoftware.com/forums.htm>
----------------------------------------------------------------------
For information about J forums see
http://www.jsoftware.com/forums.htm
