R=input('Please input R='); !Z
U_,[
p=0.1; Az
U|p
n=chaxun(R); o-SRSu
L=15; Y*Y&)k6 t
c=3*10^8; tCWJSi`IJ
h=6.626196*10^(-34); )UR1E ?'
k=1.3806505*10^(-23); >65
TkAp
B=198.95; i[^k.W3gf
r=0.509*10^(-60); UskZ%J
d=532*10^(-9); r~)VGdB+
for s=0:20 .r ~'(g{qt
for T=0.1:50:300.1 |.j^G2x
if mod(s,2)==0 ;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)); R `;o!B}[
y=diff('f','T'); (JevHdI*V
elseif mod(s,2)==1 'To<T
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)); |xq} '.C
y=diff('f','T'); Jf_]Z
end xttYn ]T
end BwJNi6,
end =f o4x|{O
plot3(y,s,T); v-ThdE$G#
怎么错了，希望哪位大侠指点。 NeY"6!;k
