R=input('Please input R='); 0Q*-g}wXfS
p=0.1; Rf8:+d[Jj|
n=chaxun(R); Z]e4pR6!
L=15; Uk"Y/Ddm
c=3*10^8; E~69^cd
h=6.626196*10^(-34); _3KZME
k=1.3806505*10^(-23); =u[rOU{X"W
B=198.95; ^OjvL6A/p
r=0.509*10^(-60); .='3bQ(UZ4
d=532*10^(-9); g(aNyn
for s=0:20 2:/u2K
for T=0.1:50:300.1 8 +L7E-
if mod(s,2)==0 J{^n=X9M0J
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)); ~e+0c'n\
y=diff('f','T'); ${CYDD"mdy
elseif mod(s,2)==1 ){jqfkL
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)); J,`_,T
y=diff('f','T'); w2KWa-BO
end "h`54}0
end eTT^KqE>&
end @?j@yRe
plot3(y,s,T);
B[Ix?V4yy
怎么错了,希望哪位大侠指点。 zv|M*Wu