R=input('Please input R='); ji|tc9#6
p=0.1; #v4q:&yKf
n=chaxun(R); .3T#:Hl
L=15; M)CE%/P
c=3*10^8; j%s:d(H`
h=6.626196*10^(-34); .
!;K5U
k=1.3806505*10^(-23); uzUZuJ
B=198.95; -r"h[UV)
r=0.509*10^(-60); A 4|a{\|$
d=532*10^(-9); mo3HUXf}8
for s=0:20 Wd_KZ}lX
for T=0.1:50:300.1 8klu*
if mod(s,2)==0 $T80vEi+u
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)); js\|xfDxP
y=diff('f','T'); Tj*Vk $}0
elseif mod(s,2)==1 |;_uN q9
f=p*n*L*3*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); 9i+SU|;j
y=diff('f','T'); "Dwaq*L
end H-.8{8
end eyGY8fF8$
end P 6|\
^
plot3(y,s,T); ?5g0#wqI
怎么错了,希望哪位大侠指点。 ]RJcY1