
Re: plot a function of two variables
Posted:
Oct 14, 2012 12:21 AM


On Oct 13, 2012, at 1:03 AM, Miguel Aragon <aragon.miguel@gmail.com> wrote:
> > I have a question about how to plot a function of two variable of the form > (xa)^2 + (yb)^2 = r^2 with Mathematica v 7.0? Is it possible?
Use ContourPlot. For example:
ContourPlot[(x  1)^2 + (y + 1)^ 2== 3^2, {x, 4, 5}, {y, 5, 4}, ContourStyle > Thick, Axes > True, Frame > False, AxesLabel > "x", "y"}]
Notice that with this form of ContourPlot, where the first argument is a function, you do not specify the Contours option.
 Murray Eisenberg murray@math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 5491020 (H) University of Massachusetts 413 5452838 (W) 710 North Pleasant Street fax 413 5451801 Amherst, MA 010039305

