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a0=[1 1 1 1 1 1 1 1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1];  %²ÎÊý³õÖµ
lb=[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0];
ub=[+inf +inf +inf +inf +inf +inf +inf +inf +inf +inf +inf +inf +inf +inf +inf +inf]; %²ÎÊýÉÏÏÂÏÞ
x=[0.51333,0.48393,0.45268,0.42557,0.40512,0.38257,0.36301,0.34194,0.32613,0.31155,0.29826,0.28502,0.27131,0.25321,0.23865,0.21536,0.19563,0.17771];
y1=[0.50536,0.52537,0.54375,0.56052,0.57522,0.59563,0.61684,0.63566,0.64712,0.65980,0.67163,0.68357,0.69210,0.70533,0.71154,0.71536,0.71907,0.72182];
y2=[2.53630,2.19802,1.89159,1.59469,1.35026,1.14236,0.93376,0.78531,0.66720,0.58129,0.49402,0.41640,0.34402,0.27812,0.23651,0.18564,0.15012,0.12590];
%y1,y2¶ÔÓ¦Á½ÌõÇúÏßr1,r2µÄʵÑéÖµ
k1=a (1).*exp ((-a(8).*exp (-a(16)./4098.802).*((0.133+0.173*x)./(0.483-0.346*x))-a (9))./4098.802);
k2=a (2).*exp ((-a(8).*exp (-a(16)./4098.802).*((0.133+0.173*x)./(0.483-0.346*x))-a (10))./4098.802);
k3=a (3).*exp ((-a(8).*exp (-a(16)./4098.802).*((0.133+0.173*x)./(0.483-0.346*x))-a (11))./4098.802);
k4=a (4).*exp ((-a(8)*exp (-a(16)./4098.802).*((0.133+0.173*x)./(0.483-0.346*x))-a (12))./4098.802);
k5=a (5).*exp ((-a(8)*exp (-a(16)./4098.802).*((0.133+0.173*x)./(0.483-0.346*x))-a (13))./4098.802);
k6=a (6).*exp ((-a(8)*exp (-a(16)./4098.802).*((0.133+0.173*x)./(0.483-0.346*x))-a (14))./4098.802);
k7=a (7).*exp ((-a(8)*exp (-a(16)./4098.802).*((0.133+0.173*x)./(0.483-0.346*x))-a (15))./4098.802); %ÒªÇóµÄ²ÎÊýÊÇa(1)-a(16)Õâ16¸ö²ÎÊý
r1=-(x.*k1.*k2.*k3.*(-k5-k7))./(-(x.*k1.*k2-k3.*(-x.*k1-k2-x.*k4-k6)).*(-k5-k7)-x.*k3.*k4.*(-x.*k1+k7));
r2=-(x^2).*k1.*k3.*k4.*k5./((x.*k1.*k2-k3.*(-x.*k1-k2-x.*k4-k6)).*(-k5-k7)-x.*k3.*k4.*(-x.*k1+k7));
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