R=input('Please input R='); i$:CGUb
p=0.1; on&N=TN
n=chaxun(R); p dnL~sv
L=15; >Q 5E0 !]
c=3*10^8; bJB:]vs$
h=6.626196*10^(-34); [TO:- 8$.
k=1.3806505*10^(-23); ]\ r~"*TZ
B=198.95; $X*$,CCIB
r=0.509*10^(-60); ]P<&CEk
d=532*10^(-9); ^QW%< X
for s=0:20 "
31C8
for T=0.1:50:300.1 <!OP b(g2
if mod(s,2)==0 'T|.<u@~
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)); ,}FYY66K
y=diff('f','T'); S-f3rL[?
elseif mod(s,2)==1 oHi&Z$#!n
f=p*n*L*3*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); ,CM$A} 7[
y=diff('f','T'); 5K6_#g4"
end ^ACp_RM
end =C3l:pGMB;
end .=@M> TZM
plot3(y,s,T); Gh{k ~/B
怎么错了，希望哪位大侠指点。 GF/p|I D
