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function KineticsEst6
clear all
clc
tspan = [0 662.25];
k0 = [0.4587 0.4971  10  12 6 8 205 0.5653];   
lb = [0  0  0  0  0 0 0];
ub = [50  50  100  100 50 50 1000 50];

P0 =[0.04020         4.02010         0.18794         0        0;
     0.02228         4.45682         0.10418         0        0;
     0.01541         4.62428         0.07206         0        0;
     0.01336         4.67446         0.06244         0        0;
     0.04020         4.02010         0.18794         0        0;
     0.04020         4.02010         0.18794         0        0;
     0.04020         4.02010         0.18794         0        0
];  % ³õʼ·Öѹ,MPa

Pi=[0.01303         4.00374         0.96404         0.007095         0.012097;
    0.00393         4.44636         0.53626         0.074475         0.005998;
    0.00127         4.61707         0.37150         0.070931         0.003074;
    0.00090         4.66795         0.32206         0.066794         0.002414;
    0.00243         4.00519         0.96961         0.158768         0.006883;
    0.00681         4.00390         0.96766         0.117792         0.009855;
    0.01303         4.00374         0.96404         0.070945         0.012097
];
% ¾­¹ýWc/F0ºó£¬¸÷ÎïÖÊ·Öѹ,MPa

% ʹÓú¯Êýlsqnonlin()½øÐвÎÊý¹À¼Æ
options=optimset('MaxFunEvals',1000000,'MaxIter',400000)
[k,resnorm,residual,exitflag,output,lambda,jacobian] = lsqnonlin(@ObjFunc,k0,lb,ub,[],P0,Pi);      
ci = nlparci(k,residual,jacobian);
fprintf('\n\nʹÓú¯Êýlsqnonlin()¹À¼ÆµÃµ½µÄ²ÎÊýֵΪ:\n')
fprintf('\tk1 = %.4f ¡À %.4f\n',k(1),ci(1,2)-k(1))
fprintf('\tk2 = %.4f ¡À %.4f\n',k(2),ci(2,2)-k(2))
fprintf('\tk3 = %.4f ¡À %.4f\n',k(3),ci(3,2)-k(3))
fprintf('\tk4 = %.4f ¡À %.4f\n',k(4),ci(4,2)-k(4))
fprintf('\tk5 = %.4f ¡À %.4f\n',k(5),ci(5,2)-k(5))
fprintf('\tk6 = %.4f ¡À %.4f\n',k(6),ci(6,2)-k(6))
fprintf('\tk7 = %.4f ¡À %.4f\n',k(7),ci(7,2)-k(7))
fprintf('\tk8 = %.4f ¡À %.4f\n',k(8),ci(8,2)-k(8))
% ------------------------------------------------------------------
function f = ObjFunc(k,P0,Pi)           % Ä¿±êº¯Êý
[m,n] = size(P0);
Pcal = zeros(m,n);
tspan =[0 662.25];         % ¼´Wc/F0,g.h/mol
for i = 1:m
[t PP] = ode45(@Euqations,tspan,P0(i,,[],k);
Pcal(i, = PP(end,;
end
f= Pcal-Pi;

% ------------------------------------------------------------------
function dPdt = Euqations(t, P, k)        % here t = Wc / F0
denom = 1+k(3)*P(1)+k(5)*P(4)+k(5)*P(3)+k(6)*P(5);               % k(3) = KDMM, k(4) = KME ,k(5)=KHPM,k(6)=KPDO,k(7)=Kp1,k(8)=Kp2
theA =k(3)*P(1)*P(2)*(1-P(4)*P(3)/k(7)*P(1)*P(2)^2) / denom;
theB =k(5)* P(4)*P(2)*(1-P(5)*P(3)/k(8)*P(4)*P(2)^2)/ denom;
r1 = k(1)*theA;
r2 = k(2)*theB;

dPDMMdt = -r1;
dPHdt = -2*r1-2*r2;
dPMEdt = r1+r2;
dPHPMdt = r1-r2;
dPPDOdt = r2;

dPdt = [dPDMMdt;dPHdt;dPMEdt;dPHPMdt;dPPDOdt];
ʹÓú¯Êýlsqnonlin()¹À¼ÆµÃµ½µÄ²ÎÊýֵΪ:
        k1 = 0.4599 ¡À 89509.6910
        k2 = 0.4971 ¡À 101889.0949
        k3 = 10.0001 ¡À 1946900.8019
        k4 = 12.0000 ¡À 8639183.4320
        k5 = 5.9997 ¡À 420897.9438
        k6 = 7.9999 ¡À 2837488.5903
        k7 = 205.0000 ¡À 1472315356.6507
        k8 = 0.5653 ¡À 3696268.6136
½á¹ûºÍÎÒÉèµÄ³õÖµÒ»Ñù£¬ÊDz»ÊǾÍûÓмÆËã³ÌÐò¡£
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