R=input('Please input R='); '6GW.;
p=0.1; MGsY3~!K
n=chaxun(R); Tb!jIe
L=15; :~'R| l
c=3*10^8; A }d\ND
h=6.626196*10^(-34); rVB\\
k=1.3806505*10^(-23); 4MP8t@z
B=198.95; #O!gjZ,
r=0.509*10^(-60); !_>o2
d=532*10^(-9); e,T^8_>
for s=0:20 y':65NMda
for T=0.1:50:300.1 /.Jq]"
if mod(s,2)==0 ; - 8]
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)); C'a#.LM
y=diff('f','T'); nTr{D&JS
elseif mod(s,2)==1 KB8_yo{y
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)); D/puK
y=diff('f','T'); sv2XD}}
end #dkSAS
end 9z7rv,
end HH|N~pBJB
plot3(y,s,T); |};-.}u^`h
怎么错了,希望哪位大侠指点。 1'b}Y8YO