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MathGroup Archive 2000

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Re: plot discrete spectrum

  • To: mathgroup at smc.vnet.net
  • Subject: [mg23313] Re: [mg23266] plot discrete spectrum
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Mon, 1 May 2000 18:00:14 -0400 (EDT)
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • References: <a0.3e9ab1a.263e0714@aol.com>
  • Sender: owner-wri-mathgroup at wolfram.com

That's an interesting way to do it.  But if, instead of the PlotStyle
optioon you prescribed, I use instead, say,

   PlotStyle -> {PointSize[0.015], Red}

then the PointSize seems to be ignored.

BobHanlon at aol.com wrote:
> 
> data = Table[{x = 4Pi(Random[] - .5), Sin[x]/x}, {20}];
> 
> plt = (ListPlot[data, PlotStyle -> RGBColor[0, 0, 1],
>           DisplayFunction -> Identity, PlotRange -> All] /.
>         Point[{x_, y_}] :> Line[{{x, y}, {x, 0}}]);
> 
> Show[plt, DisplayFunction -> $DisplayFunction, Frame -> True];
> 
> In a message dated 4/29/2000 10:29:33 PM, murray at math.umass.edu writes:
> 
> >Is there an easy way to do a ListPlot[{{{x1, y1}, {x2, y2}, ..., {xn,
> >yn}} in which each a perpendicular is dropped from each dot to the
> >horizontal axis?
> >
> >Of course, when can combine the ListPlot with a Graphics object
> >consisting of line segments.  I prefer a way that avoids using graphics
> >primitives directly.
> >
> >The sort of plot I want is what's usually done to display, for example,
> >the energy spectrum of a Fourier series.
> 
> Bob
> 
> BobHanlon at aol.com

-- 
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.       phone 413 549-1020 (H)
Univ. of Massachusetts                     413 545-2859 (W)
Amherst, MA 01003-4515


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