R=input('Please input R='); n2c(x\DA&
p=0.1; WyQ8}]1b
n=chaxun(R); z8D,[`
L=15; Ty!V)i
c=3*10^8; k{Y\YG%b
h=6.626196*10^(-34); 9~K>c
k=1.3806505*10^(-23); 6oq^n
s-
B=198.95; 1UrkDz?X
r=0.509*10^(-60); =/ !A
d=532*10^(-9); j[$+DCO#|m
for s=0:20 l%
%c U"
for T=0.1:50:300.1 :m'(8s8
if mod(s,2)==0 |D'!.$7%
f=p*n*L*6*((2*h*c)/(9*k*T))*((3/2)*(s+1)*(s+2)/(2*s+3))*(64*(pi^2)/15)*((c/d-(4*s+6)*B)^4)*r*exp(-(h*c*B/(k*T))*s(s+1)); T{#=A$vu
y=diff('f','T'); NFur+zwv
elseif mod(s,2)==1 b-c6.aKf|
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)); oOXJ7|n
y=diff('f','T'); Tn3C0
end j~;y~Cx?
end !+UXu]kA
end iztF
plot3(y,s,T); 2Qp]r+!
怎么错了,希望哪位大侠指点。 "4*QA0As