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MathGroup Archive 2000

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Re: plot discrete spectrum

  • To: mathgroup at
  • Subject: [mg23385] Re: [mg23266] plot discrete spectrum
  • From: bernd at (Bernd Brandt)
  • Date: Fri, 5 May 2000 02:07:19 -0400 (EDT)
  • Sender: owner-wri-mathgroup at


I just noted the answer by Bob Hanlon.

>>plt = (ListPlot[data, PlotStyle -> RGBColor[0, 0, 1],
>>           DisplayFunction -> Identity, PlotRange -> All] /.
>>         Point[{x_, y_}] :> Line[{{x, y}, {x, 0}}]);

How can i extend this to plot a stepwise function? X are the datapoints.
This means i have to plot to the next point, keeping the y value of the old.
How can i extract two data points from the plot to make

Point[{x1,y1}] Point[{x2,y2}] -> Line[{x1,y1},{x2,y1}] ? 

   |              X----X
   |              |
   |		X-----X
   |		|

Kind regards,
Bernd Brandt

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