Looking for help. I'm trying to plot this

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JC
JC 2019-4-25
回答： JC 2019-4-26
My goal is to create the plot from the picture below which Figure 2.3. Thank you so much in advance!
Variables
c = 2.99e8; % speed of light [m/s]
h = 6.63e-34; % Planck's constant [J s]
k = 1.38e-23; % Boltzmann's constant [J/K]
A = 2.898e-3; % Wein's Law constant [K m]
T = 300; % Temperature [K]
lam = logspace(-8,1,100); % wavelength [m]
%
% Planck's Law
% My plot for Planck's law works!
L=((2*h*c^(2))./lam.^(5)).*(exp(h*c./(lam.*k*T)-1)).^(-1);
loglog(L)
%
% Wein's Law
% How do I plot Wein's Law in Matlab correctly? My attempt below.
Y=(h*c)./(k*T.*lam)
and when I use loglog(Y) nothing shows up! :(
The picture below is what I am referencing.
  2 个评论
Star Strider
Star Strider 2019-4-26
‘and when I use loglog(Y) nothing shows up!’
It does when I plot it:
figure
loglog(Y)
and also as:
figure
loglog(lam, Y)
JC
JC 2019-4-26
编辑：JC 2019-4-26
Using the code below gives me a line?
figure
loglog(lam, Y)
Is there a way where I can plot both functions separately on the same graph?

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回答（1 个）

JC
JC 2019-4-26
Any ideas gentlemen?

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