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MathGroup Archive 2005

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Re: plot on condition

  • To: mathgroup at
  • Subject: [mg56270] Re: plot on condition
  • From: Bill Rowe <readnewsciv at>
  • Date: Wed, 20 Apr 2005 05:32:36 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

>hello my question about plotting a list of points but with some
>condition depends on the status of points in other list;
>pnts={{1,2},{5,4},{3,2},{2,6},{5,3}}; cnd={7,3,5,8,3}; the
>condition is: plot a point in list "pnts" in Blue if the
>corresponding element in list "cnd" is 3 else plot in Green regards

One way to do this in version 5.1 would be

Show[Block[{$DisplayFunction = Identity}, 
    {ListPlot[Pick[pnts, (3 == #1 & ) /@ cnd], PlotStyle -> Blue], 
     ListPlot[Pick[pnts, (3 != #1 & ) /@ cnd], PlotStyle -> Green]}]]; 
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