R=input('Please input R='); `n~bDG>
p=0.1; [ncOtDE
n=chaxun(R); ai(J%"D"
L=15; npdpKd+*K"
c=3*10^8; 1$~W~O
h=6.626196*10^(-34); `$N AK
k=1.3806505*10^(-23); POc-`]6<F
B=198.95; i.*Utm`1"e
r=0.509*10^(-60); ih/MW_t=m=
d=532*10^(-9); lzStJ,NPqn
for s=0:20 -!z,t7!
for T=0.1:50:300.1 06S-3bis
if mod(s,2)==0 [1 gWc`#
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)); mkOj&Q
y=diff('f','T'); xQ7-4N,
elseif mod(s,2)==1 'Ijjk`d&c
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)); YDr/Cw>J
y=diff('f','T'); Z 2u5n`K
end o w<.Dh
end QC*>
qo
end 6@@J>S>
plot3(y,s,T); rN%aP-sa<
怎么错了,希望哪位大侠指点。 'X(G><R9