R=input('Please input R='); N5 sR
p=0.1; T Tbe{nb
n=chaxun(R); ~xzr8 P
L=15; !ak760*A
c=3*10^8; 7 @\i5
h=6.626196*10^(-34); / 8O=3
k=1.3806505*10^(-23); 8XV RRk
B=198.95; NvzPZ9=@-
r=0.509*10^(-60); e R[B0;c
d=532*10^(-9);
[<r.M<3
for s=0:20 FVNTE+LW
for T=0.1:50:300.1 q1HJ_y
if mod(s,2)==0 ;u`8pF!_eE
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)); \e'Vsy>q
y=diff('f','T'); o5/BE`VD5c
elseif mod(s,2)==1 (e_<~+E
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)); = y^5PjN
y=diff('f','T'); C}9GrIi
end XFTqt]
end ,g'>Ib%
end AyUw
plot3(y,s,T); [PXq<ST
怎么错了,希望哪位大侠指点。 }72\Aw5