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Re: Graphing an inequality

• To: mathgroup at smc.vnet.net
• Subject: [mg80251] Re: Graphing an inequality
• From: Helen Read <hpr at together.net>
• Date: Wed, 15 Aug 2007 04:29:46 -0400 (EDT)
• References: <f9s2ar$9c4$1@smc.vnet.net>
• Reply-to: HPR <read at math.uvm.edu>

Diana wrote:
> I am trying to graph x + y < 4, and have the answer set be shaded.
> 
> When I use RegionPlot[x + y < 4, {x, -10, 10}, {y, -10, 10}]
> 
> I get a rectangular box with the axes on the outside.
> 
> Is there a way to have the axes display as they do with the Plot
> function, with shading as in the RegionPlot function?

RegionPlot[x + y < 4, {x, -10, 10}, {y, -10, 10}, Frame -> False,
  Axes -> True]

-- 
Helen Read
University of Vermont