R=input('Please input R='); U>S
p=0.1; qBEp |V
n=chaxun(R); w~Tg?RH:
L=15; )Sn0Y B
c=3*10^8; g=Xf&}&=x
h=6.626196*10^(-34); (bwD:G9
k=1.3806505*10^(-23); wZvv5:jKpu
B=198.95; Wjb_H
(D
r=0.509*10^(-60); rT2Njy1
d=532*10^(-9); $1f2'_`8~
for s=0:20 p-4$)w~6i
for T=0.1:50:300.1 h}Otz "
if mod(s,2)==0 rA~f68h|
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)); yl[I'fX66
y=diff('f','T'); 0jTReY-W
elseif mod(s,2)==1
&@iOB #H
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)); (< +A w7
y=diff('f','T'); 4@9Pd &I
end IeYYG^V<A
end e]4$H.dP
end bzr2Zj{4
plot3(y,s,T); v[dUUR f
怎么错了,希望哪位大侠指点。 { 'b;lA]0