R=input('Please input R='); ?
w?k-v
p=0.1; Hxl,U>za#
n=chaxun(R); 5i^vN"J
L=15; %f-<ol
c=3*10^8; =a!6EkX
*
h=6.626196*10^(-34); OV/FQH;V
k=1.3806505*10^(-23); ) ,hj7
B=198.95; |f:d72{Qr
r=0.509*10^(-60); W<LaR,7
d=532*10^(-9); _Y|kX2l
S@
for s=0:20 @
RI^wZ-;
for T=0.1:50:300.1 w+37'vQ
if mod(s,2)==0 V`M,d~:Pr"
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)); Q#Y3%WF
y=diff('f','T'); ->hxHr`!%a
elseif mod(s,2)==1 Cv~hU%1T
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)); ;iORfUjxrq
y=diff('f','T'); Zd(d]M_x
end S1zw'!O5
end :'dc=C
end M([H\^\:
plot3(y,s,T); 7S2F^,w
怎么错了,希望哪位大侠指点。 'U"3'jh