Re: Finding the intersect of two curves

*To*: mathgroup at smc.vnet.net*Subject*: [mg30217] Re: Finding the intersect of two curves*From*: "Allan Hayes" <hay at haystack.demon.co.uk>*Date*: Thu, 2 Aug 2001 03:16:11 -0400 (EDT)*References*: <9k88o0$53d$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Catherine, Solve[{x^2 + y^2 == 4, x + y == 2}, {x, y}] {{x -> 0, y -> 2}, {x -> 2, y -> 0}} -- Allan --------------------- Allan Hayes Mathematica Training and Consulting Leicester UK www.haystack.demon.co.uk hay at haystack.demon.co.uk Voice: +44 (0)116 271 4198 Fax: +44 (0)870 164 0565 "Catherine Neish" <cdneish at interchange.ubc.ca> wrote in message news:9k88o0$53d$1 at smc.vnet.net... > Hello there. > > I was wondering if there is any way to find the intersection of two curves > without knowing the equation of one of them. > > For example, I have the following curves: > > ImplicitPlot[function[x,y] == constant, {x, xmin, xmax}, {y, ymin, ymax}] > > function[x] == constant > > > The curve generated by Implicit Plot does not have an explicit equation. Is > it still possible to find the point where these two curves intersect? > > Any help would be greatly appreciated. > > Sincerely, > > Catherine Neish > cdneish at physics.ubc.ca > > >