R=input('Please input R='); {b2 aL7
p=0.1; b]w[*<f?
n=chaxun(R); $}db /hY*
L=15; V#NtBreN
c=3*10^8; |<1M&\oaQ'
h=6.626196*10^(-34); of=ql
k=1.3806505*10^(-23); |e:rYLxm:
B=198.95; )&Mq,@
r=0.509*10^(-60); w?_`/oqd|
d=532*10^(-9); };^}2Xo+
for s=0:20 W]zwghxH
for T=0.1:50:300.1 )L >Q;'
if mod(s,2)==0 vnL?O8`c
f=p*n*L*6*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); D!S8oKW
y=diff('f','T'); /w0w*nH
elseif mod(s,2)==1 [T-*/}4$
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)); gn^!"MN+g
y=diff('f','T'); -8/ JP
end k&!6fZ)
end \ZsP]};*
end !O 8.#+
plot3(y,s,T); Gp8psH
怎么错了,希望哪位大侠指点。 ~{$L9;x