Re: Plotting a super ellipse
- To: mathgroup at smc.vnet.net
- Subject: [mg55158] Re: Plotting a super ellipse
- From: Peter Pein <petsie at arcor.de>
- Date: Tue, 15 Mar 2005 00:21:40 -0500 (EST)
- References: <d0u71l$kno$1@smc.vnet.net> <d1145m$dp2$1@smc.vnet.net> <d13j99$qll$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
JC wrote:
> On Sun, 13 Mar 2005 10:20:38 +0000 (UTC), Peter Pein <petsie at arcor.de>
> wrote:
...
>>Hi JC,
>>
>>use ImplicitPlot to plot implicitely ;-) and Abs[] to avoid imaginary
>>Parts (e.g. (-1)^(2.5))
>>
>>ImplicitPlot[Abs[(x^2.5) + (y^2.5/1.25^2.5)] == 20., {x, -4, 4}, {y, -5, 5}]
>
>
> Peter,
>
> Thank you very much for taking the time to reply.
>
> Your suggestion, while not generating an error message, also did not
> plot. This is what it returned:
>
> ImplicitPlot[
> Abs[x\^2.5` + 0.5724334022399462`\ y\^2.5`] == 20.`, {x, \(-4\),
> 4}, {y, \(-5\), 5}]\)
>
>
Sorry, again and again I forget: I've put <<Graphics` into my init.m
file. Enter <<Graphics`ImplicitPlot` or just <<Graphics` _before_
invoking ImplicitPlot[].