Re: Multiple plots with stepped parameters

From	Roman <wfrisch@gmx.net>
Newsgroups	comp.soft-sys.math.maple
Subject	Re: Multiple plots with stepped parameters
Date	2011-06-21 00:50 -0700
Organization	http://groups.google.com
Message-ID	<4963a09b-d3f5-4487-a372-e3c5d059bfc9@bl1g2000vbb.googlegroups.com> (permalink)
References	<SalmonEgg-4EE972.11212019062011@news60.forteinc.com>

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On Jun 19, 8:21 pm, Salmon Egg <Salmon...@sbcglobal.net> wrote:
> My example will based upon blackbody radiation. Suppose the emission at
> a frequency nu at various temperatures goes like
>
> J := 1/(exp(nu/T)-1)
>
> How do I plot J against nu for all T in a list like
>
> {0.5, 1.0. 2.0, 5.0, 10.0}?
>
> I think I see how to do that if I listed separate functions in the plot
> command. ie
>
> 1/(exp(nu/0.5)-1), 1/(exp(nu/1.0)-1), ...
>
> --
>
> Sam
>
> Conservatives are against Darwinism but for natural selection.
> Liberals are for Darwinism but totally against any selection.

***********************************************
Joe´s solution with different coloured plots.

restart:
J := 1/(exp(nu/T)-1) ;
L:=[ 0.5,1.0,2.0,5.0,10.0];
plots:-
display(seq(plot(eval(J,nu=t),T=0..10,y=0..1.5,color=COLOR(RGB,rand()/
10^12,rand()/10^12,rand()/10^12),legend=t), t in L));

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Multiple plots with stepped parameters Salmon Egg <SalmonEgg@sbcglobal.net> - 2011-06-19 11:21 -0700
  Re: Multiple plots with stepped parameters Axel Vogt <&noreply@axelvogt.de> - 2011-06-19 21:38 +0200
    Re: Multiple plots with stepped parameters Joe Riel <joer@san.rr.com> - 2011-06-19 13:46 -0700
  AW: Multiple plots with stepped parameters "Michael Komma" <komma@oe.uni-tuebingen.de> - 2011-06-20 23:34 +0200
    Re: AW: Multiple plots with stepped parameters Salmon Egg <SalmonEgg@sbcglobal.net> - 2011-06-20 17:33 -0700
      Re: AW: Multiple plots with stepped parameters "Barister Mine" <me@privacy.net> - 2011-06-21 07:45 +0300
      AW: AW: Multiple plots with stepped parameters "Michael Komma" <komma@oe.uni-tuebingen.de> - 2011-06-21 11:15 +0200
      Re: AW: Multiple plots with stepped parameters Axel Vogt <&noreply@axelvogt.de> - 2011-06-21 23:04 +0200
  Re: Multiple plots with stepped parameters Roman <wfrisch@gmx.net> - 2011-06-21 00:50 -0700

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