Re: Re: Re: plot hyperbola (OT)

*To*: mathgroup at smc.vnet.net*Subject*: [mg57386] Re: [mg57343] Re: [mg57292] Re: [mg57287] plot hyperbola (OT)*From*: DrBob <drbob at bigfoot.com>*Date*: Thu, 26 May 2005 04:31:31 -0400 (EDT)*References*: <200505240912.FAA19094@smc.vnet.net> <200505251002.GAA04053@smc.vnet.net>*Reply-to*: drbob at bigfoot.com*Sender*: owner-wri-mathgroup at wolfram.com

I assume you're converting cells to InputForm before copy/paste into Mathematica? If you type in x^2, does the problem occur, or only if you paste it in? Either way, it sounds like a good reason not to use Thunderbird. Bobby On Wed, 25 May 2005 06:02:50 -0400 (EDT), Murray Eisenberg <murray at math.umass.edu> wrote: > This is a bit off-topic, but it's been an annoyance for a while now.... > > I've been having difficulty copying code such as that below from my > e-mail client into Mathematica: The e-mail client, Thunderbird, displays > expressions such as "x^2" in a 2-dimensional form, with a superscript > (and no caret); when I copy from there and paste into Mathematica, of > course I get just "x2" -- no superscript and no caret. > > I do have my e-mail client set so as not to display HTML as such. > > Any ideas? > > David Park wrote: >> You could use the ImplicitPlot routine. First you have to load the >> Graphics`ImplicitPlot` package that is in the StandardPackages. >> >> Needs["Graphics`ImplicitPlot`"] >> >> ImplicitPlot[ >> x^2 + 3 x^2 y^3 + 67 x^4 y^2 + 34 == 0, {x, -50, 50}, {y, -30000, 0}, >> AspectRatio -> 1] >> >> That is a difficult curve and I had to 'fish' around to find it. I also >> changed the AspectRatio of the plot to 1 to avoid getting very high and very >> narrow plots that went off screen. There may be other branches of the curve. >> >> You can plot quadratic equations the same way and they will be easier. >> >> For quadratic equations you may want to look at the ConicSections package at >> my web site below. It will generate a parametrization for any conic section >> which you can use to plot with ParametricPlot. It also will give the type of >> conic, its parameters and how to transform it to standard form. >> >> David Park >> djmp at earthlink.net >> http://home.earthlink.net/~djmp/ >> >> >> From: bd satish [mailto:bdsatish at gmail.com] To: mathgroup at smc.vnet.net >> >> >> >> HI, i am a beginner. Will u please tell me how to plot >> hyperbola,parabola,ellipse and circle in their standard forms >> x^2/a^2 + y^2/b^2 = 1 >> x^2/a^2 -- y^2/b^2 ==1 etc. >> Also how do you plot a general curve (y versus x), say >> x^2 +3 x^2 y^3 +67 x^4 y^2 +34==0 >> *without solving explicitly for y* ( or x) >> Please help >> >> >> >> >> >> > -- DrBob at bigfoot.com

**References**:**Re: plot hyperbola***From:*"David Park" <djmp@earthlink.net>

**Re: Re: plot hyperbola (OT)***From:*Murray Eisenberg <murray@math.umass.edu>