R=input('Please input R='); T^
RYN
p=0.1; w\5;;9_#
n=chaxun(R); sN@=Ri?\
L=15; B3@\Ua )
c=3*10^8; Y
i`wj^
h=6.626196*10^(-34); `:fh$V 5J>
k=1.3806505*10^(-23);
_' U(q\ri
B=198.95; Y| F~w~Cb
r=0.509*10^(-60); HD8*>p.
d=532*10^(-9); ,h* 'Cs04h
for s=0:20 ) t$o0!
for T=0.1:50:300.1 b%UbTb,
if mod(s,2)==0 dC 8,
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)); crr#tad.
y=diff('f','T'); 8'0I$Qa4
elseif mod(s,2)==1 C dTE~O<)
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)); -zH` 9>J5|
y=diff('f','T'); L~&r.81
end +o}mV.& 1,
end xt X`3 =s
end /fC8jdp&
plot3(y,s,T); 5<h:kZ"S^g
怎么错了，希望哪位大侠指点。 h)sQ3B.}A
