R=input('Please input R='); 4a0Ud !Qcs
p=0.1; E{0e5. {
n=chaxun(R); D]o=I1O?
L=15; $PG(>1e
c=3*10^8; _\=x
A6!
h=6.626196*10^(-34); r+8)<Xt+p
k=1.3806505*10^(-23); egK~w8`W%
B=198.95; 3 [j,d]\|
r=0.509*10^(-60); ~!S/{Un
d=532*10^(-9); DKJ_g.]X
for s=0:20 T+^Sa
J
for T=0.1:50:300.1 wFF,rUV
if mod(s,2)==0 #W6 6`{>
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)); JH| D
y=diff('f','T'); -oUGmV_
elseif mod(s,2)==1 ul3~!9F5F
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)); I{ Ip
y=diff('f','T'); t>Ye*eR*`U
end Fv7]1EO.
end O|S,="h"}
end ,,H;2xYf
plot3(y,s,T); ]
)iP?2{
怎么错了，希望哪位大侠指点。 gg.]\#3g
