Re: Drowing a vertical or horizontal line in a graphic

*To*: mathgroup at smc.vnet.net*Subject*: [mg77332] Re: [mg77196] Drowing a vertical or horizontal line in a graphic*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Thu, 7 Jun 2007 03:38:26 -0400 (EDT)*Reply-to*: hanlonr at cox.net

Plot[(x - 1)^2, {x, 0, 2}, Epilog -> {Red, Line[{{1, -1}, {1, 2}}]}] Note that the line is automatically cropped. Bob Hanlon ---- Vicent <vginer at gmail.com> wrote: > I am using Mathematica 5 and I have a simple question to ask you. > > I am drawing a function with "Plot" function. > > How can I add a vertical or horizontal line (or several ones) at a > given position? > > For example, I want to draw y = (x-1)^2, and also want a vertical > line just at x = 1, in order to signal the point where that fuction > gets its lower value. > > How can I do it? > > Thank you in advance. > > -- > Vicent > >