R=input('Please input R='); J'H}e F`
p=0.1; WnkI i,<
n=chaxun(R); OoqA`%
L=15; r;C
BA'Z
c=3*10^8; lv=rL
h=6.626196*10^(-34); w$1B|7tX;2
k=1.3806505*10^(-23); li7"{+ct
B=198.95; qQ
T^d
r=0.509*10^(-60); kx.8VUoM
V
d=532*10^(-9); Gj ka %
for s=0:20 4Y
`=`{Q
for T=0.1:50:300.1 Hph$Z1{
if mod(s,2)==0 kmZ
U;Z
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)); :)g}x&A^$
y=diff('f','T'); L2}p<?f
elseif mod(s,2)==1 _p^&]eQ+k#
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)); ,JONc9
y=diff('f','T'); tYST&5Kh~
end <Dq7^,}#
end 5kdh!qy[$,
end u|EHe"V"
plot3(y,s,T); 7S.E,\Tws
怎么错了,希望哪位大侠指点。 8d|#W