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898766282

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[ÇóÖú] matlab lsqnonlinº¯Êý½øÐзÇÏßÐÔ¶¯Á¦Ñ§²ÎÊýÄâºÏ£¬Çó¸ßÊÖÖ¸µã. ÒÑÓÐ1È˲ÎÓë

function kinetics1
clear all
clc
a0=[10^11 81 0.3];
lb=[0 0 0];ub=[+inf +inf +inf];
c0=[0.0525564 100];
c16exp=...
    [0.0525564        100
    0.0403533        73.3083
    0.0267938        50.3759
    0.015037        42.1053
    0.0082474        24.812
    0.00415801        13.9098
    0.00278195        11.6541
    0.00185881        10.1504
    0.00183435        9.77444
    0.0015879        9.77444];
c14exp=...
    [0.0525564        100
    0.0493758        89.8496
    0.0441658        81.203
    0.0378303        72.9323
    0.0357841        67.6692
    0.0337337        61.6541
    0.0276196        54.8872
    0.0239832        47.7444
    0.018766        40.6015
    0.0160359        35.7143
    0.0153455        34.5865];
c12exp=...
    [0.0526        100
     0.0516        98.1203
     0.0507        94.7368
     0.0484        93.2331
     0.0464        89.8496
     0.0439        80.4511
     0.0429        80.8271
     0.0407        77.8195
     0.0393        76.3158
     0.0381        75.5639
     0.0365        72.1805];

[a,resnorm,residual,exitflag,output,lambda,jacobian]=lsqnonlin(@objlm,a0,lb,ub,[],c0,c16exp,c14exp,c12exp);
ci=nlparci(a,residual,jacobian);
fprintf('\n\nʹÓú¯Êýlsqnonlin()¹À¼ÆµÃµ½µÄ²ÎÊýֵΪ£º\n'),a

function f=objlm(a,c0,c16exp,c14exp,c12exp)

%160¶È
tspan1=[0    0.1005    0.2143    0.3360    0.4365    0.5661    0.6667    0.7593    0.8677    0.9603];
[t,c16]=ode45(@kinetic16,tspan1,c0,[],a);
f1=c16(:,1)-c16exp(:,1);
f2=c16(:,2)-c16exp(:,2);

%140¶È
tspan2=[0    0.1005    0.1984    0.2857    0.3571    0.4471    0.5529    0.6746    0.8042    0.9074    0.9683];
[t,c14]=ode45(@kinetic14,tspan2,c0,[],a);
f3=c14(:,1)-c14exp(:,1);
f4=c14(:,2)-c14exp(:,2);

%120¶È
tspan3=[0    0.1005    0.2011    0.2937    0.4021    0.5000    0.5979    0.7090    0.8069    0.8862    0.9894];
[t,c12]=ode45(@kinetic12,tspan3,c0,[],a);
f5=c12(:,1)-c12exp(:,1);
f6=c12(:,2)-c12exp(:,2);

f=[f1;f2;f3;f4;f5;f6];    %¹¹ÔìÄ¿±êº¯Êý

function dc16dt=kinetic16(t,c16,a)   %160¶È
T1=433.15;R=0.008314;
dc16dt=...
    [-(a(1).*exp(-a(2)./(R.*T1)).*((c16(2)./100).^(a(3))).*c16(1).*0.943)
    -(7.*a(1).*exp(-a(2)./(R.*T1)).*((c16(2)./100).^(a(3))).*c16(1).*0.943)];

function dc14dt=kinetic14(t,c14,a)   %140¶È
T2=413.15;R=0.008314;
dc14dt=...
    [-(a(1).*exp(-a(2)./(R.*T2)).*((c14(2)./100).^(a(3))).*c14(1).*0.926)
    -(7.*a(1).*exp(-a(2)./(R.*T2)).*((c14(2)./100).^(a(3))).*c14(1).*0.926)];

function dc12dt=kinetic12(t,c12,a)   %120¶È
T3=393.15;R=0.008314;
dc12dt=...
    [-(a(1).*exp(-a(2)./(R.*T3)).*((c12(2)./100).^(a(3))).*c12(1).*0.907)
    -(7.*a(1).*exp(-a(2)./(R.*T3)).*((c12(2)./100).^(a(3))).*c12(1).*0.907)];
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