R=input('Please input R='); ;fsZ7k4]do
p=0.1; `)`
n(B
n=chaxun(R); 2-7IJ\
L=15; UADFnwR[R
c=3*10^8; jNTjSX
h=6.626196*10^(-34); }M1`di4e
k=1.3806505*10^(-23); [ad@*KFxy3
B=198.95; *;1,5L
r=0.509*10^(-60); O/,aJCe
d=532*10^(-9); }x@2]juJ
for s=0:20 X<i^qoV
for T=0.1:50:300.1 J!0DR4=Xi
if mod(s,2)==0 9bP^`\K[N
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)); L0*nm.1X
y=diff('f','T'); xGu r
elseif mod(s,2)==1 0TCBQ~ "
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)); K#EvFs`s;
y=diff('f','T'); }'""(,2
end ]+(6,ct&.
end FB
_pw!z
end 87Oad@FOr
plot3(y,s,T); ad.3A{
怎么错了,希望哪位大侠指点。 >*]Hq.&8