       Re: Plotting 2d graphs?

• To: mathgroup at smc.vnet.net
• Subject: [mg57182] Re: [mg57168] Plotting 2d graphs?
• From: "Tomas Garza" <tgarza10 at msn.com>
• Date: Fri, 20 May 2005 04:43:14 -0400 (EDT)
• References: <200505190709.DAA13180@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

```In:=
fn=2x^2 + 16x + 32;

In:=
Plot[fn,{x,0,5}];

In:=
<<Graphics`ImplicitPlot`

In:=
eqn=(x-5)^2/16+(y+4)^2/25==1;

In:=
ImplicitPlot[eq,{x,0,12}];

Please notice the double "==" at the end of In

Tomas Garza
Mexico City
----- Original Message -----
From: "Paul Hughes" <psidoc at gmail.com>
To: mathgroup at smc.vnet.net
Subject: [mg57182] [mg57168] Plotting 2d graphs?

> I'm having trouble using the basic 2d plot function.  I want to be
> able to plot things such as a simple quadratic or ellipse:
>
> Examples:  2x^2 + 16x + 32 = 0  (Quadratic)
>
> (x-5)^2/16 + (y+4)^2/25 = 1  (Ellipse)
>
> But have failed to do so, having tried every variation i can think of
> to get it to work.
>
>

```

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