R=input('Please input R='); ~,T+JX
p=0.1; {f-XyF1`
n=chaxun(R); w m19T7*L
L=15; Y5n>r@)m
c=3*10^8; V#NtBreN
h=6.626196*10^(-34); -rO*7HO
k=1.3806505*10^(-23); ly[lrD0Kn.
B=198.95; [$;,Ua-mt
r=0.509*10^(-60); IYLZ
+>
d=532*10^(-9); }Fm\+JOS
for s=0:20 T!(sZf
for T=0.1:50:300.1 pD[pTMG@$
if mod(s,2)==0 G~(&3
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)); $,@JYLC2
y=diff('f','T'); p.5e:
i^LJ
elseif mod(s,2)==1 ;5N41_hG
f=p*n*L*3*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); 94y9W#
y=diff('f','T'); e+{BJN
vz
end AJdp6@O+
end PV(4$I}
end kf'=%]9#_T
plot3(y,s,T); z>p]/Sa
怎么错了,希望哪位大侠指点。 cl_TF[n?