R=input('Please input R='); b~>kTO
p=0.1; Td(eNe_4T
n=chaxun(R); zZp0g^;.?
L=15; Pu>jECcz
c=3*10^8; F#-mseKhc
h=6.626196*10^(-34); amvD5
k=1.3806505*10^(-23); P|j|0o,8p
B=198.95; =>3wI'I
r=0.509*10^(-60); ( f]@lNmx
d=532*10^(-9); E.LD1Pm0
for s=0:20 WVZ](D8Gc]
for T=0.1:50:300.1 GBeWF-`B
if mod(s,2)==0
X} {z7[
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)); +{#65z
y=diff('f','T'); w2X0.2)P2
elseif mod(s,2)==1 2i0 .x
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)); 5-*hAOThg
y=diff('f','T'); `) y<X#[8
end _nwsIjsW
end G.")Bg
end r+:]lO
plot3(y,s,T); "%peYNZ&%
怎么错了,希望哪位大侠指点。 )_C+\K*