Re: Plotting problem

*To*: mathgroup at smc.vnet.net*Subject*: [mg35359] Re: Plotting problem*From*: Tomas Garza <tgarza01 at prodigy.net.mx>*Date*: Tue, 9 Jul 2002 06:50:21 -0400 (EDT)*References*: <200207080718.DAA19787@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

The particular function you chose for the example has no holes. Actually, since In[1]:= Factor[3*x^2 - 5*x + 2] Out[1]= (-1 + x)*(-2 + 3*x) what you have is more than a rational function: it is a polynomial of degree 1: 3 x - 2. Tomas Garza Mexico City ----- Original Message ----- From: "Steven Hodgen" <shodgen at mindspring.com> To: mathgroup at smc.vnet.net Subject: [mg35359] Plotting problem > 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 > > >

**References**:**Plotting problem***From:*"Steven Hodgen" <shodgen@mindspring.com>