R=input('Please input R='); \k6OP
p=0.1; qX6zk0I a
n=chaxun(R); >Rdi]:]Bv
L=15; i!JSEQ_8
c=3*10^8; @Xh8kvc81
h=6.626196*10^(-34); Dk")/ ib
k=1.3806505*10^(-23); Oq3t-omXS
B=198.95; ;F71f#iY
r=0.509*10^(-60); 6"rS?>W/mO
d=532*10^(-9); nHfAx/9!
for s=0:20 s-&i!d
for T=0.1:50:300.1 ygQAA!&']
if mod(s,2)==0 uV'C_H
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)); MC B2
y=diff('f','T'); l#w0-n%S
elseif mod(s,2)==1 6/(Z*L"~6k
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)); 9NU-1vd~
y=diff('f','T'); 1.~^QH\p?3
end (V/!0Lj
end #0#6eT{-
end jlUT9Zp
plot3(y,s,T); abEdZ)$
怎么错了,希望哪位大侠指点。 NB( GE