Re: ImplicitPlot errors

*To*: mathgroup at smc.vnet.net*Subject*: [mg75088] Re: ImplicitPlot errors*From*: Bill Rowe <readnewsciv at sbcglobal.net>*Date*: Mon, 16 Apr 2007 20:16:35 -0400 (EDT)

On 4/16/07 at 4:11 AM, w3bdevilREMOVE at THISw3bdevil.com (David Rees) wrote: >I've been trying to get ImplicitPlot to plot an implicit function >(naturally ;) ), but it throws errors to cryptic for me, even when >copying and pasting from the Mathematica function reference. >In[40]:= ImplicitPlot[{x^2 + x*y + y^2 == 7, y == 2*Sqrt[7/3]}, = {x, >-5, 5}] Given: In[14]:= Reduce[{x^2+x*y+y^2\[Equal]7,y\[Equal]2*Sqrt[7/3]}] Out[14]= y == 2*Sqrt[7/3] && x == -Sqrt[7/3] that is your equations reduce to a single point, it should not be surprising ImplicitPlot complains <snip> >What am I doing wrong? Even ImplicitPlot[x+y==2,{x,-4,4}] fails. Doing ImplicitPlot[x+y==2,{x,-4,4}] works fine here. Try doing this in a fresh session after loading Graphics`ImplicitPlot` -- To reply via email subtract one hundred and four

**Follow-Ups**:**Re: Re: ImplicitPlot errors***From:*Andrzej Kozlowski <akoz@mimuw.edu.pl>