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Re: Plot this?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg109570] Re: Plot this?
  • From: Peter Breitfeld <phbrf at t-online.de>
  • Date: Wed, 5 May 2010 06:08:02 -0400 (EDT)
  • References: <hrot17$5tr$1@smc.vnet.net>

This is an implicit plot, use ContourPlot for this

ContourPlot[8 x - x^2 + 14 y - y^2 == 49, {x, -1, 9}, {y, 2, 12}, 
 AspectRatio -> Automatic]

I used the option AspectRatio->Automatic to make the unit-length on both
axes the same, otherwise you get an ellipse instead of the circle. 

"Trevor Rabey" wrote:

> I am new to Mathematica and going at snail's pace.
> I would like to plot:
>
> 8x - x^2 + 14y - y^2 = 49
>
> Anyone?
>
> --
> Trevor Rabey
>

-- 
_________________________________________________________________
Peter Breitfeld, Bad Saulgau, Germany -- http://www.pBreitfeld.de


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