R=input('Please input R='); lC(g&(\{
p=0.1; >4eZ%</D5
n=chaxun(R); #^&.*'z%z
L=15; `tZ`a
c=3*10^8; GjvTYg~
h=6.626196*10^(-34); _q dLA
k=1.3806505*10^(-23); (qXl=e8
B=198.95; @&M$oI$4*
r=0.509*10^(-60); >On"BP# U
d=532*10^(-9); qQ "O;_
for s=0:20 &SE+7HXw
for T=0.1:50:300.1 esVZ2_eL
if mod(s,2)==0 =C.WM*= '
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)); @ag*zl
y=diff('f','T'); y?s8UEC
elseif mod(s,2)==1 >E3 lY/[
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)); tug\X
y=diff('f','T'); +O,h<*y
end ,"W.A
end y3vm+tJc{
end {l -V
plot3(y,s,T); $"&U%3
怎么错了,希望哪位大侠指点。 |6.1uRF E2