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MathGroup Archive 2004

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Re: plot variance(s)

  • To: mathgroup at smc.vnet.net
  • Subject: [mg51775] Re: plot variance(s)
  • From: Bill Rowe <readnewsciv at earthlink.net>
  • Date: Mon, 1 Nov 2004 02:53:41 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

On 10/31/04 at 1:17 AM, slshippee at comcast.net (Steven Shippee)
wrote:

>Input1:  data = Table[Sin[x], {x, 0, 2\[Pi]}];

>Input 2:  p1 = ListPlot[data, PlotStyle -> {Red, PointSize[0.03]},
>DisplayFunction -> Identity];

>Input 3:  p2 = Plot[Sin[x], {x, 0, 2\[Pi]}, DisplayFunction ->
>Identity];

>Input 4:  Show[p1, p2, DisplayFunction -> $DisplayFunction];

>Why doesn't p2 directly overlay the dots in p1?  Thanks in advance,

Because you did not retain the x value in your variable data. With out retaining the x value, ListPlot assumes a starting value of 1 not 0. The result is you are plotting Sin[x-1] with ListPlot and Sin[x] with Plot
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