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Re: about the blackbody radiation curve [message #72375 is a reply to message #72373]

Fri, 03 September 2010 05:36

Wout De Nolf
Messages: 194
Registered: October 2008

Senior Member

On Thu, 2 Sep 2010 20:37:29 -0700 (PDT), panshu Zhao
<rochesterzhao@gmail.com> wrote:

> PRO radiation
>
>
> h=6.626068e-27;
> k=1.38066e-16;
> c=2.997925e+10;
> t=6000;
> x=findgen(100)*0.0000001;
> a=2*h*(c^2)*(x^(-5));
>
> if x=0 then begin
> y=0
> endif else begin
> y=(a)/ (exp((h*c)/(k*x*t))-1)
> endelse
> plot,x,y
>
> END

Do something like

y=a/(exp((h*c)/(k*x*t))-1)
ind=where(x eq 0,ct)
if ct ne 0 then y[ind]=0

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[Message index]

		Re: about the blackbody radiation curve By: Paul Van Delst[1] on Fri, 03 September 2010 06:52
		Re: about the blackbody radiation curve By: Wout De Nolf on Fri, 03 September 2010 05:36
		Re: about the blackbody radiation curve By: mankoff on Thu, 02 September 2010 22:40

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