Re: AspectRatio -> 1 vs AspectRatio ->1.25

*To*: mathgroup at smc.vnet.net*Subject*: [mg122820] Re: AspectRatio -> 1 vs AspectRatio ->1.25*From*: Ray Koopman <koopman at sfu.ca>*Date*: Fri, 11 Nov 2011 04:56:20 -0500 (EST)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*References*: <j9dor5$b6r$1@smc.vnet.net>

On Nov 9, 3:40 am, John Accardi <johnacca... at comcast.net> wrote: > Goal: Plot both y = x and y = -x such that then intersect visually at > 90 degrees. > > Intuitively, AspectRatio -> 1 should do this but it takes > AspectRatio -> 1.25 to accomplish this. > > Am I missing something? Why 1.25 and not 1? > > Example: > > << Graphics`ImplicitPlot`; ImplicitPlot[{7 x^2 - 6 Sqrt[3] x y + > 13 y^2 - 16 == 0, ((x^2)/2^2) + ((y^2)/2^2) == 1, y == x, > y == -x}, {x, -3, 3}, AspectRatio -> 1.25] > > Produces the desired plot using AspectRatio -> 1.25. > > Thanks for any insights. AspectRatio -> Automatic