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MathGroup Archive 2002

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Re: Plot2D: How to attach names to plotted functions

  • To: mathgroup at smc.vnet.net
  • Subject: [mg32262] Re: [mg32240] Plot2D: How to attach names to plotted functions
  • From: BobHanlon at aol.com
  • Date: Wed, 9 Jan 2002 23:37:17 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

In a message dated 1/9/02 4:37:12 AM, 
klaus-juergen.eckardt at fujitsu-siemens.com writes:

>When plotting e.g. with the Plot2D command two functions f[x] anf g[x]
>simultaneously is it possible to order Mathematica to attach the names
>of
>the functions to the graphs? The reason is simple: it is not always obvious
>which graph belongs to which function.
>

You can use PlotStyle, Text labels, and Legends.  In a bit of overkill I have 
used all of these in this example

Needs["Graphics`Colors`"];
Needs["Graphics`Legend`"];

f[x_] := Sin[x];
g[x_] := Cos[x];

Plot[{f[x], g[x]}, {x, 0, 2Pi}, 
    
PlotStyle -> {{Red}, {Blue, AbsoluteDashing[{5,5}]}},
PlotLegend -> {ToString[f[x]], ToString[g[x]]},
Epilog -> {Text[ToString[f[x]], {2.4, f[2.4]}, {-1,-1}],
Text[ToString[g[x]], {5, g[5]}, {1, -1}]}];


Bob Hanlon
Chantilly, VA  USA


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