R=input('Please input R='); >nEnX
p=0.1; _!p3M3"$B
n=chaxun(R); IQ~7vk()
L=15; l}c2l'
c=3*10^8; a@ }r[0O
h=6.626196*10^(-34); ;NeEgqW"
k=1.3806505*10^(-23); /j@ `aG(a
B=198.95; rxeXz<
r=0.509*10^(-60); ZY$@_D OB}
d=532*10^(-9); ;@~*z4U
for s=0:20 e/jM+%
for T=0.1:50:300.1 |9Ks13?Ck
if mod(s,2)==0 j88sE MZ
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)); h xJgxM
y=diff('f','T'); iDc|9"|Tf3
elseif mod(s,2)==1 1[9j`~[([
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)); /,$\H
y=diff('f','T'); tN> B$sv
end + Z2<spqG
end ~(^*?(Z
end ^T6!z^g1h
plot3(y,s,T); W+C_=7_
怎么错了,希望哪位大侠指点。 i9U_r._qj;