R=input('Please input R='); HlGSt$woX
p=0.1; A8)4nOXM
n=chaxun(R); ]\(8d[4
L=15; Zy}tZ RG
c=3*10^8; GK@OdurAR
h=6.626196*10^(-34); ,Bk5(e
k=1.3806505*10^(-23); 7L!JP:v
B=198.95; idI w7hi4
r=0.509*10^(-60); +9_Y0<C
d=532*10^(-9); gEh/m.L7
for s=0:20 4 PK}lc
for T=0.1:50:300.1 QaWS%0go
if mod(s,2)==0 +?_!8N8
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)); oZ'a}kF
y=diff('f','T'); y*
+y&
elseif mod(s,2)==1 /R#zu_i
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)); /"{d2
y=diff('f','T'); 2\xw2VQ@P
end 4EB\R"rWXf
end .U1wVIM
end Q0U~s\<
plot3(y,s,T); 98[uRywI
怎么错了,希望哪位大侠指点。 1dH|/9