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MathGroup Archive 2001

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Re: Plot DiracDelta[]

  • To: mathgroup at smc.vnet.net
  • Subject: [mg28479] Re: [mg28465] Plot DiracDelta[]
  • From: BobHanlon at aol.com
  • Date: Sun, 22 Apr 2001 01:30:12 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

When you decide how long the Line should be, draw the Line(s) in a Prolog or 
Epilog.

sa[x_ /; x == 0] = 1;
sa[x_] := Sin[x]/x;

Plot[sa[x]^2, {x, 0, 2Pi}, 
    PlotStyle -> {RGBColor[0, 0, 1], AbsoluteDashing[{5, 5}]}, 
    Prolog -> {RGBColor[1, 0, 0], 
        Table[Line[{{x, 0}, {x, sa[x]^2}}], {x, 0, 2Pi, Pi/10}]}];

Bob Hanlon

In a message dated 2001/4/20 4:45:20 AM, ulbrich at biochem.mpg.de writes:

>does anybody know if there is a possibility
>to include the DiracDelta[] in a Plot?
>If I have
>
>Plot[DiracDelta[x-1],{x,0,2}]
>
>I see nothing, but I would like to see
>a vertical line at x=1.


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