R=input('Please input R='); <|`@K|N
p=0.1; k?8W2fC
n=chaxun(R); Sd\@Q%
}o\
L=15; 0$_imjZ
c=3*10^8; Q:MsD.
h=6.626196*10^(-34); }-Ma~/
k=1.3806505*10^(-23); aw4+1.xy
B=198.95; .>nd@oU
r=0.509*10^(-60); Ni)#tz_9
d=532*10^(-9); Y'HF^jv]R
for s=0:20 y^Jv?`jw
for T=0.1:50:300.1 ~^C7(g )
if mod(s,2)==0 #&:nkzd
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)); s*X\%!l9
y=diff('f','T'); [O)Zof
elseif mod(s,2)==1 2Ee1mbZVw8
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)); $P@cS1sB
y=diff('f','T'); ).S<{zm7
end ,Ex\\p-
end UKBMGzu2:
end WuQYEbap
plot3(y,s,T); &zd7t6
怎么错了,希望哪位大侠指点。 BT1'@qF