R=input('Please input R='); b_gN?F7_
p=0.1; q&dRh
n=chaxun(R); Bd~cY/M
L=15; C2=iZ`Z>T
c=3*10^8; /,N!g_"Z
h=6.626196*10^(-34); p6y0W`U
k=1.3806505*10^(-23); mQ60@_"Y=,
B=198.95; ^!p< zZ
r=0.509*10^(-60); 6 # x)W
d=532*10^(-9); 2*q:
^
for s=0:20 X$| TN+Ub
for T=0.1:50:300.1 5ZyBP~
if mod(s,2)==0 26#Jhb E+
f=p*n*L*6*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); ml33qXW:
y=diff('f','T'); j YIV^o 0
elseif mod(s,2)==1 H;*a:tbxO+
f=p*n*L*3*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); mn; 7o~4
y=diff('f','T'); !Xx<~l IC
end {q tc \O
end + > WC^s
end JQ/t, v$G
plot3(y,s,T); j*La ,iF
怎么错了，希望哪位大侠指点。 S|q!? /jqj
