R=input('Please input R='); t%0r"bTi
p=0.1; \,$r,6-g
n=chaxun(R); -WQ_[t9l
L=15; XB6N[E
c=3*10^8; k];L!Fj1
h=6.626196*10^(-34); *7)S%r,?
k=1.3806505*10^(-23); bCH*8,Bmh
B=198.95; |TC3*Y
r=0.509*10^(-60); aE%eJ)+K
d=532*10^(-9); ru#T^AI*^
for s=0:20 2O}s*C$Xav
for T=0.1:50:300.1 GZxglU,3T
if mod(s,2)==0 Q>cL?ie
f=p*n*L*6*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); %ZJ),9+
y=diff('f','T'); ~ra#UG\Y8
elseif mod(s,2)==1 /h{go]&Nb
f=p*n*L*3*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); d#X&Fi
y=diff('f','T'); ,Zf
:R
end \VoB=Ac&
end wghFGHgw
end 9_g>BI;"8
plot3(y,s,T); MYur3lj%_
怎么错了,希望哪位大侠指点。 #
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