R=input('Please input R='); F-^HN%
p=0.1; |xVCl<{F%
n=chaxun(R); %z~U@Mka
L=15; h
'[vB^
c=3*10^8; !dY:S';~
h=6.626196*10^(-34); kA__*b}8UK
k=1.3806505*10^(-23); {ah=i8$
B=198.95; |L;psK
r=0.509*10^(-60); (:QQ7xc{}
d=532*10^(-9); Net)l@IB]
for s=0:20 [+g@@\X4
for T=0.1:50:300.1 ;YDF*~9u
if mod(s,2)==0 t1jlxK
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)); 6#M0AG
y=diff('f','T'); %i8>w:@NW
elseif mod(s,2)==1 "<x~{BN?
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)); ~lqGnNhh7
y=diff('f','T'); :(>9u.>l?5
end B#"|5
end <zuE=0P~%
end R9h>I3F=c
plot3(y,s,T); JGcD{RU|
怎么错了,希望哪位大侠指点。 p &>A5