R=input('Please input R='); ,A
T!:&<X
p=0.1; ~ pWbD~aeg
n=chaxun(R); p,. +i[V
L=15; BWamF{\d1a
c=3*10^8; *,A?lX,9A
h=6.626196*10^(-34); K4b#
y~@
k=1.3806505*10^(-23); 2"* 7H S
B=198.95; 9=p^E# d
r=0.509*10^(-60); a;jXMR
d=532*10^(-9); U ?P5 cN
for s=0:20 dq}60
for T=0.1:50:300.1 yJkERiJV
if mod(s,2)==0 }J" }5O2,b
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)); UT|FV
twO
y=diff('f','T'); -]\cUQ0
elseif mod(s,2)==1 L
s6P<"V
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)); 5}@6euT5$
y=diff('f','T'); >DeG//rv
end `OO=^.-u
end {1,]8!HBJ
end FTZ][
plot3(y,s,T); {h5 S =b
怎么错了，希望哪位大侠指点。 {_t i*#
