R=input('Please input R='); -f0Nb+AR
p=0.1; :8}QKp
n=chaxun(R); ^Yei9bXl
L=15; 6#XB'PR2p
c=3*10^8; -SaH_Nuj
h=6.626196*10^(-34); |w2H5f{fR
k=1.3806505*10^(-23); !3>(fj+QS
B=198.95; ._m+@Uy]H}
r=0.509*10^(-60); Y|J\,7CM
d=532*10^(-9); p<>%9180!F
for s=0:20 ua1ov7w$]
for T=0.1:50:300.1 _[-+%RP
if mod(s,2)==0 2wE?O^J
f=p*n*L*6*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); ((A]FOIbO
y=diff('f','T'); SU;PmG4
elseif mod(s,2)==1 gB@Xi*
f=p*n*L*3*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); 3*$A;%q
y=diff('f','T'); @-bX[}.
end D<$~bUkxR
end `_sc_Y|C!
end vCT5do"C&
plot3(y,s,T);
R6~x!
怎么错了,希望哪位大侠指点。 T^u ][I3*