R=input('Please input R='); BqDKT
p=0.1; Gb[`R}^dq
n=chaxun(R); D jk C
L=15; 0]QRsVz+
c=3*10^8; >Vy>O&r
h=6.626196*10^(-34); b2 _Yu^
k=1.3806505*10^(-23); nJ4@I7Sk;
B=198.95; ?
J}r
r=0.509*10^(-60); ZyOv.,y
d=532*10^(-9); 8[r9HC
for s=0:20 &l$Q^g
for T=0.1:50:300.1 |qZko[W}=
if mod(s,2)==0 1im^17X
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)); o"wXIHUmV
y=diff('f','T'); WN(ymcdYB
elseif mod(s,2)==1 08X_}97#WF
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)); Pe C7
y=diff('f','T'); xq6cKtSv
end UnVm1ZWZ
end m9U"[Huv1E
end x^Yl*iq
plot3(y,s,T); V
f-a'K&
怎么错了,希望哪位大侠指点。 ^c~)/F/cF