R=input('Please input R='); x;8A!8w
p=0.1; :>Ay^{vf=
n=chaxun(R); <c2'0I >
L=15; w .?:SD
c=3*10^8; LILQ\I<<'
h=6.626196*10^(-34); OUhqMVX9C
k=1.3806505*10^(-23); /JWGifH
B=198.95; jbS\vyG
r=0.509*10^(-60); 'coV^~qy
d=532*10^(-9); <|SRe6m
for s=0:20 lc~%=
for T=0.1:50:300.1 j4cwI90=
if mod(s,2)==0 Y\$ySvZ0
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));
$7rq3y
y=diff('f','T'); >kW@~WDMu
elseif mod(s,2)==1 //s:5S<Z
f=p*n*L*3*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); F;7dt@5;
y=diff('f','T'); TzNn^ir=HX
end H*$jc\
dC
end QmCe>+
end Ht&:-F+dm
plot3(y,s,T); K|:@Z
怎么错了,希望哪位大侠指点。 !'cl"\h