R=input('Please input R='); yR4|S2D3xn
p=0.1; 9k 6r_G"
n=chaxun(R); N&M~0iw
L=15; . Z%{'CC
c=3*10^8; "U\4:k`:
h=6.626196*10^(-34); TY Qwy*
k=1.3806505*10^(-23); 1Uqu>'
B=198.95; >$ e9igwe
r=0.509*10^(-60); q=#}
yEG
d=532*10^(-9); G8;w{-{m
for s=0:20 bP^Je&nS*
for T=0.1:50:300.1 ;v$4$D]L
if mod(s,2)==0 =dFv/F/RW
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)); [3@):8
y=diff('f','T'); 1n@8Kv
elseif mod(s,2)==1 \.3D~2cU
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,Q Bz
y=diff('f','T'); n-%s8aaVf
end PpgP&;z4
end VhNz8)
end ;
k)@DX
plot3(y,s,T); d`F&aC
怎么错了,希望哪位大侠指点。 q5#J~n8Wr