R=input('Please input R='); Ye2 {f"F
p=0.1; %s|}Fz->
n=chaxun(R); [RLN;(0n
L=15; x4;"!Kq\
c=3*10^8; kEOS{C%6R
h=6.626196*10^(-34); mH%yGBp_
k=1.3806505*10^(-23); dQV;3^iUY
B=198.95; b{L/4bu
r=0.509*10^(-60); :N4t49i
d=532*10^(-9); >qS9PX
for s=0:20 YwDbPX
for T=0.1:50:300.1 V^3L3|k
if mod(s,2)==0 rH_\d?b
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)); \;qW 3~
y=diff('f','T'); &cxRD
elseif mod(s,2)==1 +
+M$#Er&
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)); Fl kcU
`j
y=diff('f','T'); ]P.'>4
end iV'k}rXC
end VH9dleZ
end O_wEcJPE
plot3(y,s,T); ([SU:F!uW(
怎么错了,希望哪位大侠指点。 B@&4i?yJ