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Re: AW: Multiple plots with stepped parameters

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Salmon Egg schrib:

> In article <itoedi$f6c$1@solani.org>,
> "Michael Komma" <komma@oe.uni-tuebingen.de> wrote:
>
>> Conservatives plot:
>>
>> plots:-display([seq(plot(J,nu=0..10,0..20),T=[0.5, 1.0, 2.0, 5.0,
>> 10.0])]);
>>
>> Liberals plot:
>>
>> http://www.mikomma.de/planck/planck1.html
>>
>>
>>
>> "Salmon Egg" <SalmonEgg@sbcglobal.net> schrieb im Newsbeitrag
>> news:SalmonEgg-4EE972.11212019062011@news60.forteinc.com...
>>> 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.
>
> This may be just what I am looking for. My German is not good enough
> for me to tell. The point of my post was not to study black body
> radiation but how to do the plotting. It did come about, however,
> from my wanting to show why the color (that is the visible spectral
> SHAPE) remained the same for a black body even as the temperature
> approached infinity. (Wikipedia) In the process it became obvious,
> that I did not know how to use Maple to produce suitable plots. The
> Maple command you give is arcane and I do not see how to get there
> without guidance like yours.
>
> I am going to continue looking at the German site given in your
> response. I am also looking at the responses by Vogt and Riel until I
> can master this aspect of plotting.

For color Maple plots, check this one:

http://ioannis.virtualcomposer2000.com/spectroscope/elements.html

However the author does not give explicit Maple commands for these plots in the 
document itself.

I don't really understand how he calculates the overall color.
---
JPH 

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Thread

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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