Re: Graphing sets of linear inequalities
- To: mathgroup at smc.vnet.net
- Subject: [mg53951] Re: [mg53910] Graphing sets of linear inequalities
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Sat, 5 Feb 2005 03:15:05 -0500 (EST)
- Reply-to: hanlonr at cox.net
- Sender: owner-wri-mathgroup at wolfram.com
Needs["Graphics`"];
InequalityPlot[-2<=x+2y<=4,
{x,-4,4}, {y,-4,4}];
FilledPlot[{-(2+x)/2, (4-x)/2},{x,-4,4},
AspectRatio->Automatic];
Bob Hanlon
>
> From: "DJ Craig" <spit at djtricities.com>
To: mathgroup at smc.vnet.net
> Date: 2005/02/04 Fri AM 04:11:04 EST
> To: mathgroup at smc.vnet.net
> Subject: [mg53951] [mg53910] Graphing sets of linear inequalities
>
> How do you graph something like this:
> -2 = x + 2y = 4
> I need the areas where this is true to be shaded, and solid lines at x
> + 2y = -2 and x + 2y = 4.
>
>