R=input('Please input R='); &OuyjW4
p=0.1; <'B`b
n=chaxun(R); ~yO.R)4v
L=15; =<33(
c=3*10^8; U15Hq*8Z
h=6.626196*10^(-34); r}vI#;&
k=1.3806505*10^(-23); WJJ!NoP
B=198.95; $9ON3>
r=0.509*10^(-60); *M KVm)Iv
d=532*10^(-9); Re.fS6y$>
for s=0:20 XPX{c|]>.
for T=0.1:50:300.1 O'5(L9,
if mod(s,2)==0 8vaqj/
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)); GH:Au
y=diff('f','T'); }b,a*4pN
elseif mod(s,2)==1 9prG@
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)); LXw&d]P
y=diff('f','T'); 8qBw;A)
end S liF$}J
end St&XG>nWS
end j[Et+V?
plot3(y,s,T); z2,rnm)Q
怎么错了,希望哪位大侠指点。 uHwuw_eK`