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