Re: Plotting problem
- To: mathgroup at smc.vnet.net
- Subject: [mg35338] Re: Plotting problem
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Tue, 9 Jul 2002 06:47:45 -0400 (EDT)
- Organization: Universitaet Leipzig
- References: <agbflh$jeo$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
what did you expect ?
(-1 + x) (-2 + 3 x)=(3 x^2 - 5 x + 2)
and the denominator
(3 x^2 - 5 x + 2)/(x - 1)
canel.
Regards
Jens
Steven Hodgen wrote:
>
> Hello,
>
> I'm a total Mathematica newbie, and I'm trying to get it to plot a simple
> rational eq. in such a way that it indicates where missing points are.
> Since I'm not sure how you'd prefer the eq. expressed, I've typed in in the
> parents so there can be no question of where the denominator is, as well as
> a cell expression.
>
> (3 x^2 - 5 x + 2)/(x - 1)
>
> Cell[BoxData[
> FractionBox[
> RowBox[{
> RowBox[{"3",
> SuperscriptBox["x", "2"]}], "-",
> RowBox[{"5", "x"}], "+", "2"}],
> RowBox[{"x", "-", "1"}]]], "Input"]
>
> When I Plot[], this is just draws a straight line. There is no indication
> where the hole is. How can I get this "fully correct" graph?
>
> Thanks
> --Steven