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MathGroup Archive 2005

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Re: How to draw elliptical curve

  • To: mathgroup at smc.vnet.net
  • Subject: [mg62785] Re: How to draw elliptical curve
  • From: dh <dh at metrohm.ch>
  • Date: Mon, 5 Dec 2005 03:38:01 -0500 (EST)
  • References: <dmuids$mlt$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Berlid,
why not solve the equation for x or y?
e.g. solving for y:

Plot[{Sqrt[x^3 + x + 1], -Sqrt[x^3 + x + 1]}, {x, -.6823, 1}]

or solving for x:

res = Solve[y^2 == x^3 + x + 1, x][[1]];
Plot[x /. res, {y, -2, 2}]

Daniel


Berlid wrote:
> Hello, everyone. Here, I want to draw elliptical curve something like
> y^2=x^3+x+1 in screen with Mathematica4, and I have tried ellipticExp
> and EllipticLog but in vain. Could anyone tell me in detail how to draw
> elliptical curves? thanks.
> 


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