R=input('Please input R='); rJZs
5g`
p=0.1; 1lyOp
n=chaxun(R); { $/Fk6qr
L=15; G.nftp(*}
c=3*10^8; / 7X dV
h=6.626196*10^(-34); t *
vg]Yc
k=1.3806505*10^(-23); J xm9@,
B=198.95; C'/M/|=Q#
r=0.509*10^(-60); xg,]M/J
d=532*10^(-9); 6BU0hV
for s=0:20 @:+n6
for T=0.1:50:300.1 8UT%:DlxQ
if mod(s,2)==0 )]>G,.9C}
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)); \h7J/es^p!
y=diff('f','T'); >Y-TwDaE
elseif mod(s,2)==1 *rcuhw"^b#
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)); Pgw%SMEp
y=diff('f','T'); >xV<nLf/
end /~l/_Jct@G
end 8o7]XZE=)
end e=o{Zo?H=
plot3(y,s,T); >'-w%H/
怎么错了,希望哪位大侠指点。 >Ug?O~-