Re: plot function of two variables
- To: mathgroup at smc.vnet.net
- Subject: [mg128410] Re: plot function of two variables
- From: "Nasser M. Abbasi" <nma at 12000.org>
- Date: Sun, 14 Oct 2012 00:13:42 -0400 (EDT)
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- Reply-to: nma at 12000.org
On 10/13/2012 12:12 AM, Miguel Aragon wrote:
> I have a question about how to plot a function of two variable of the form
> (x-a)^2 + (y-b)^2 = r^2 with Mathematica v 7.0? Is it possible?
>
> Thank you,
>
some possibilities
-------------
Clear[x, y]
expr = (x - a)^2 + (y - b)^2 - r^2;
values = {a -> 1, b -> 1, r -> 2};
ContourPlot[expr /. values, {x, -2, 2}, {y, -2, 2}]
Plot3D[expr /. values, {x, -2, 2}, {y, -2, 2}]
-------------------------------
--Nasser