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Re: Plotting ellipses and other functions


David:

For a start you can try the following:

Using ContourPlot

ContourPlot[(x - 2)^2 + 2(y - 3)^2 - 6, {x, -1, 5}, {y, -1, 5},
  Contours -> {0}, ContourShading -> False, ContourSmoothing -> 5]

Or using ImplicitPlot

<< Graphics`ImplicitPlot`

ImplicitPlot[(x - 2)^2 + 2(y - 3)^2 == 6, {x, -1, 5}]

ImplicitPlot[x^3y + y^3 == 9, {x, -4, 4}]

Hans
"David" <davidol at hushmail.com> wrote in message
news:anp1hu$r1v$1 at smc.vnet.net...
> How can I plot functions like:
>
> (x-2)^2 + 2(y-3)^2 = 6
>
> and
>
> x^3y + y^3 = 9
>
> using Mathematica?
>
>
>
>




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