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MathGroup Archive 2007

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Re: Problem with PlotLegend in Mathematica 6.0

  • To: mathgroup at smc.vnet.net
  • Subject: [mg78027] Re: [mg77954] Problem with PlotLegend in Mathematica 6.0
  • From: DrMajorBob <drmajorbob at bigfoot.com>
  • Date: Thu, 21 Jun 2007 05:54:51 -0400 (EDT)
  • References: <12378762.1182334025048.JavaMail.root@m35>
  • Reply-to: drmajorbob at bigfoot.com

Plot "thinks" that fn is a single function, not two.

But Evaluate fixes the problem:

Needs["PlotLegends`"]
fn = {Sin[x], Cos[x]}
Plot[Evaluate@fn, {x, 0, 2 Pi}, PlotLegend -> {"sin", "cos"}]
Plot[{Sin[x], Cos[x]}, {x, 0, 2 Pi}, PlotLegend -> {"sin", "cos"}]

Bobby

On Wed, 20 Jun 2007 04:38:41 -0500, peter.steneteg at gmail.com  
<peter.steneteg at gmail.com> wrote:

> I can not figure out why I get different results for these two cases.
>
> Needs["PlotLegends`"]
> fn = {Sin[x], Cos[x]}
> Plot[fn, {x, 0, 2 Pi}, PlotLegend -> {"sin", "cos"}]
> Plot[{Sin[x], Cos[x]}, {x, 0, 2 Pi}, PlotLegend -> {"sin", "cos"}]
>
> When i use Plot[fn,... the Legend will only show one line, "sin" but
> if I use the later case with Plot[{Sin[x],Cos[x]},... the Legend will
> show correctly. Does anyone have any idea why this happens. And if
> there are any solution?
>
>
>



-- =

DrMajorBob at bigfoot.com


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