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MathGroup Archive 2007

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Re: Ploting solution sets to compound inequalites

  • To: mathgroup at smc.vnet.net
  • Subject: [mg79734] Re: [mg79689] Ploting solution sets to compound inequalites
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Fri, 3 Aug 2007 06:23:30 -0400 (EDT)
  • Reply-to: hanlonr at cox.net

RegionPlot[-2 < x < 3,
 {x, -10, 10}, {y, -0.1, 0.1},
 PlotStyle -> Red,
 AspectRatio -> 0.02,
 Frame -> True,
 FrameTicks -> {Automatic, None}]

RegionPlot[x < -2 || x > 3,
 {x, -10, 10}, {y, -0.1, 0.1},
 PlotStyle -> Red,
 AspectRatio -> 0.02,
 Frame -> True,
 FrameTicks -> {Automatic, None}]

You could use different colors to signify inclusion or exclusion of end points.

Bob Hanlon

---- Diana <diana.mecum at gmail.com> wrote: 
> Math folks,
> 
> How would I plot just an x-axis number line with the solution sets of:
> 
> -2<x<3
> 
> -2<=x<=3
> 
> x<=-2 or x>=3
> 
> x<-2 or x>3
> 
> for example?
> 
> Diana M.
> 
> 



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