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MathGroup Archive 2005

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Re: Re: graphing x^2+4 on x, y, and i

  • To: mathgroup at
  • Subject: [mg61844] Re: [mg61803] Re: graphing x^2+4 on x, y, and i
  • From: "Jose Luis Gomez" <jose.luis.gomez at>
  • Date: Tue, 1 Nov 2005 00:39:35 -0500 (EST)
  • Sender: owner-wri-mathgroup at


Take a look at ComplexMap, in the Help Browser-Add Ons-Standard
Packages-Graphics- Complex Map

Or in this link:


José Luis
-----Mensaje original-----
De: thomas [mailto:likothecat at] 
Enviado el: Domingo, 30 de Octubre de 2005 04:50 a.m.
Para: mathgroup at
Asunto: [mg61803] Re: graphing x^2+4 on x, y, and i


What I mean by the i axis, is imaginary numbers.  That is, I would
like to see the zeros at +2i and -2i as well as the parabola in x and
y.  If that makes sense?

Thanks for your response,

On Sun, 30 Oct 2005 04:55:45 +0000 (UTC), Bill Rowe
<readnewsciv at> wrote:

>On 10/29/05 at 1:32 AM, likothecat at (thomas) wrote:
>>Is it possible to make a 3d type of graph using the x, y, and i
>>axes for the equation y = x ^ 2 + 4?
>Mathematica supports several options for plotting in three dimensions.
ParametricPlot3D can be used to plot three dimensionsal curves. Plot3D can
be used to plot surfaces. Additionally, the package Graphics`Graphics3D` has
several other functions for 3D plotting.
>But it is difficult to tell you specifically how to deal with your problem.
You've not defined what you mean by the "i" axis and the expression you give
is only dependent on two variables.

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