Re: Mathematica help

*To*: mathgroup at smc.vnet.net*Subject*: [mg75059] Re: Mathematica help*From*: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>*Date*: Mon, 16 Apr 2007 04:07:28 -0400 (EDT)*Organization*: The Open University, Milton Keynes, UK*References*: <evspvp$j2$1@smc.vnet.net>

liltammer4 at aol.com wrote: > I don't know how to graph the curve x^2y^3-y^4=1 for x ranging from -3 > to 3. > Here is what I have and I don't understand what the problem is??? > > Plot[x^2 y^3 - y^4 == 1, {x, -3, 3}] > > The curve is implicitly defined. You can use ImplicitPlot [1] as in Needs["Graphics`ImplicitPlot`"]; ImplicitPlot[ x^2 y^3- y^4==1, { x, -3,3}]; Regards, Jean-Marc [1] http://documents.wolfram.com/mathematica/Add-onsLinks/StandardPackages/Graphics/ImplicitPlot.html