R=input('Please input R='); E)rOlh7
p=0.1; GDNh?R
n=chaxun(R); % RBI\tj
L=15; ci{9ODN
c=3*10^8; priT7!
h=6.626196*10^(-34); ]IbPWBX
k=1.3806505*10^(-23); D=q;+,Pc
B=198.95; Tvksf!ba
r=0.509*10^(-60); 1b
%T_a
d=532*10^(-9); |R
&3/bEr
for s=0:20 9FIe W[
for T=0.1:50:300.1 %FR^[H]
if mod(s,2)==0 #sm_.?P
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)); I!soV0VU]
y=diff('f','T'); 3_jCsX
elseif mod(s,2)==1 ,:dEEL+>c
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)); cA (e"N
y=diff('f','T'); [Q.4]K2
end #$vhC u<I
end HIWmh4o/.
end kS\.
plot3(y,s,T); |)72E[lL
怎么错了,希望哪位大侠指点。 7S~9E2N