R=input('Please input R='); #S4{,
p=0.1; 8[;U|SR"
n=chaxun(R); nZM|8
L=15; SQbnn"
c=3*10^8; TNC,{sM
h=6.626196*10^(-34); SNd]c
k=1.3806505*10^(-23); wBXgzd%L
B=198.95; !Hr
+|HKQ?
r=0.509*10^(-60); asI:J/%+2
d=532*10^(-9); &sQtS
for s=0:20 +x0-hRD
for T=0.1:50:300.1 Y&5h_3K;<
if mod(s,2)==0 .HG0%Vp
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)); '%RYo#
y=diff('f','T'); NLC}XL
elseif mod(s,2)==1 d+fig{<b
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)); ^@`dsll
y=diff('f','T'); {E`f(9r:
end .
\fzK
end c>r0N[
end S-:l
60.
plot3(y,s,T); :U<`iJwY
怎么错了,希望哪位大侠指点。 ZuF-$]oL&