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Re: Dashing with alternating colors?

  • To: mathgroup at
  • Subject: [mg80397] Re: Dashing with alternating colors?
  • From: Helen Read <hpr at>
  • Date: Tue, 21 Aug 2007 05:04:12 -0400 (EDT)
  • References: <fabgd2$i93$>
  • Reply-to: HPR <read at>

AES wrote:
> Any simple PlotStyle to plot a curve with segments in alternating colors?
> [I can think of plotting the curve twice, in alternating colors, dashed 
> both times, and somehow offsetting the dashes (how to do that 
> accurately?) -- or plotting it solid once, then overlaying it dashed in 
> the other color.  But a neater way?]

Something like this?

Plot[Sin[x], {x, -2 \[Pi], 2 \[Pi]}, Mesh -> 20,
  MeshFunctions -> {#2 &}, MeshShading -> {Red, Blue},
  PlotStyle -> Thick]

Helen Read
University of Vermont

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