       Re: How to plot solutions of equations with Mathematica?

• To: mathgroup at smc.vnet.net
• Subject: [mg61027] Re: How to plot solutions of equations with Mathematica?
• From: Peter Pein <petsie at dordos.net>
• Date: Sat, 8 Oct 2005 02:48:32 -0400 (EDT)
• References: <di59tc\$3jb\$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

```Michelasso schrieb:
> It is a very stupid question, but browsing the help I couldn't find a
> quick solution to this problem: I want to plot on the plane the solutions
> of the equation in two variables x^2+y^2 == 1 with Mathematica. How should
> I do?
>
select one:
ImplicitPlot[x^2 + y^2 == 1, {x, -1, 1}, {y, -1, 1}, AspectRatio -> 1];
Plot[Evaluate[Sqrt[1 - x^2]*{-1, 1}], {x, -1, 1}, AspectRatio -> 1];
ParametricPlot[{Cos[t], Sin[t]}, {t, -Pi, Pi}, AspectRatio -> 1];
Show[Graphics[Circle[{0, 0}, 1]], AspectRatio -> 1, Axes -> True];

Peter

```

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