R=input('Please input R='); olW`.3f
p=0.1; M;@03 x W
n=chaxun(R); P<oD*C
L=15; gf8U &;
c=3*10^8; [IX!3I[J]
h=6.626196*10^(-34); -"b3q
k=1.3806505*10^(-23); s~'C'B?
B=198.95; <qZ+U4@I)
r=0.509*10^(-60); N>#P
1!eP
d=532*10^(-9); Jywz27j
for s=0:20 o%s}jBo}
for T=0.1:50:300.1 (B4A$t
if mod(s,2)==0 Hm[!R:HW,S
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)); `9NnL.w!
y=diff('f','T'); JH,fg K+[
elseif mod(s,2)==1 H s 3*OhK\
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)); V)?g4M3}
y=diff('f','T'); ~ZIRCTQ"
end b-gVRf#F
end 4E94W,1%,Y
end "uNxKLDB
plot3(y,s,T); W-B[_
怎么错了,希望哪位大侠指点。 |I<-x)joIK