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MathGroup Archive 2009

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Plots, Lists, and line colors (Was: What's going on here (Table-generated lists)?)

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98125] Plots, Lists, and line colors (Was: What's going on here (Table-generated lists)?)
  • From: AES <siegman at stanford.edu>
  • Date: Tue, 31 Mar 2009 04:15:49 -0500 (EST)
  • Organization: Stanford University
  • References: <gqn8ua$p$1@smc.vnet.net> <gqq3tm$7n8$1@smc.vnet.net>

So far we know that 

Plot[{x, x^2, x^3}, {x, 0, 1}] 

   gives 3 default colors

Plot[{{x, x^2, x^3}}, {x, 0, 1}] 

   gives 3 default colors

Plot[{x, x^2, x^3}, {x, 0, 1}, PlotStyle -> {Red, Green, Blue}]

   gives 3 designated colors

Plot[Table[x^n, {n, 1, 3}], {x, 0, 1}, PlotStyle -> {Red, Green, Blue}]

   gives single color -- and it's NOT Red
   But if you Evaluate the table you get 3 designated colors

Plot[0.8 {x, x^2, x^3}, {x, 0, 1}, PlotStyle -> {Red, Green, Blue}]

   gives single color, not Red

Plot[List[x, x^2, x^3], {x, 0, 1}, PlotStyle -> {Red, Green, Blue}]

   gives 3 designated colors (meaning, List[] gets evaluated,
   even though Table didn't?)

Plot[List[{x, x^2, x^3}], {x, 0, 1}, PlotStyle -> {Red, Green, Blue}]

   gives 3 designated colors  (List in this variant form also
   gets evaluated?)

QUIZ:  What will the following give?

Plot[0.5 List[{x, x^2, x^3}], {x, 0, 1},  PlotStyle -> {Red, Green,Blue}]

Plot[List[0.5 {x, x^2, x^3}], {x, 0, 1}, PlotStyle -> {Red, Green, Blue}]


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