Re: Graphing sets of linear inequalities
- To: mathgroup at smc.vnet.net
- Subject: [mg53961] Re: Graphing sets of linear inequalities
- From: Helen Read <read at math.uvm.edu>
- Date: Sat, 5 Feb 2005 03:15:39 -0500 (EST)
- Organization: EM Computer Facility, The University of Vermont
- References: <ctvfhb$19v$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
DJ Craig wrote:
> 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.
Assuming you mean -2 <= x+2y <= 4, try this.
<< Graphics`InequalityGraphics`
InequalityPlot[-2 <= x + 2y <= 4, {x, -5, 5}, {y, -5, 5}]
--
Helen Read
University of Vermont