R=input('Please input R='); Z$pR_dazU
p=0.1; ~pw_*AN
n=chaxun(R); )Q\;N C=4
L=15; ,~3 sba
c=3*10^8; xCQ<G{;C
h=6.626196*10^(-34); B]hZ4.B1
k=1.3806505*10^(-23); r|P4|_No
B=198.95; X%gJ, c(4
r=0.509*10^(-60); @9L%`=]b^
d=532*10^(-9); Npu;f>g0_
for s=0:20 ` n _ Z
for T=0.1:50:300.1 ` ^6}Dn
if mod(s,2)==0 /TB_4{
f=p*n*L*6*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); `=\G>#p<T
y=diff('f','T'); INkrG.=u
elseif mod(s,2)==1 Ii
K&v<(]
f=p*n*L*3*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1));
s$]I@;_
y=diff('f','T'); T @z$ g
end 3O] e
end %bv< OMD
end sX=!o})0
plot3(y,s,T); crmnh4-
怎么错了，希望哪位大侠指点。 SC!IQ80H#D
