Re: Graphing polynomial equations

From: Gerry Myerson (gerry_at_maths.mq.edi.ai.i2u4email)
Date: 12/02/04 

Date: Thu, 02 Dec 2004 17:14:14 +1100

In article <oWwrd.5868$TW.4183@news01.roc.ny>,
 "mike3" <mike4ty4@yahoo.com> wrote:

> Houw would one go about plotting a 3D surface graph of
> a quintic or higher equation in three variables?
> Like this:
>
> xyz^3 + 3xz + 3zy + xyz + zyx^2 + x - y + 3 = 0
>
> Obviously you would loop through x and y and calculate
> z, and we'd use a numerical approximation technique to
> do that.

The particular equation you've given is linear in y,
so if I were to follow your approach I'd loop through
x and z and calculate y by baby algebra. 

-- 
Gerry Myerson (gerry@maths.mq.edi.ai) (i -> u for email)