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szy242424

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[ÇóÖú] matalbÈí¼þ ode23s£¬·ÇÏßÐÔ×îС¶þ³Ë·¨Ä£Ä⶯Á¦Ñ§²ÎÊý ÒÑÓÐ1È˲ÎÓë

function kk1
k0=[236,18,45.6,10,1.2,0.001,0.1,0.001,0.01,0.001,0.1,0.1];
lb=[236,18,45.6,10, 1.2, 0.001, 0.1,0.001,0.01,0.001,0.1,0.1];
ub=[inf,inf,inf,inf, 10.4,1.2, 2.4,1.2,0.8,0.1,4.5,4.5];
data=...
[0        0.562205        0        0        34.2775
6        0.618817941        0        0        33.9805
12        0.797936454        0        0        31.941
18        1.554008384        0.9935        0        28.739
24        2.141789344        1.3815        0        26.3835
30        2.543955264        1.5745        1.4795        23.8955
36        3.017273616        1.908        1.7625        21.334
42        3.295696176        2.9885        2.038        19.128
60        3.274041088        4.693        3.262        11.2065
66        3.4070652        5.1295        3.581        8.9005
72        3.753546608        5.6395        4.041        6.4395
84        3.595773824        6.6735        4.71        1.496
];


x0=data(1,2:end);
tspan =[0,6,12,18,24,30,36,42,60,66,72,84];
yexp = [data(2:end,2) data(2:end,3) data(2:end,4) data(2:end,5)  ];
ts=data(1:end,1);
[k,resnorm,residual,exitflag,output,lambda,jacobian] =lsqnonlin(@ObjFunc,k0,lb,ub,[],tspan,x0,yexp);
ci = nlparci(k,residual,jacobian);
fprintf('\n\nʹÓú¯Êýlsqnonlin()¹À¼ÆµÃµ½µÄ²ÎÊýֵΪ:\n')
fprintf('\tk1 = %.9f ¡À %.9f\n',k(1),ci(1,2)-k(1))
fprintf('\tk2 = %.9f ¡À %.9f\n',k(2),ci(2,2)-k(2))
fprintf('\tk3 = %.9f ¡À %.9f\n',k(3),ci(3,2)-k(3))
fprintf('\tk4 = %.9f ¡À %.9f\n',k(4),ci(4,2)-k(4))
fprintf('\tk5 = %.9f ¡À %.9f\n',k(5),ci(5,2)-k(5))
fprintf('\tk6 = %.9f ¡À %.9f\n',k(6),ci(6,2)-k(6))
fprintf('\tk7 = %.9f ¡À %.9f\n',k(7),ci(7,2)-k(7))
fprintf('\tk8= %.9f ¡À %.9f\n',k(8),ci(8,2)-k(8))
fprintf('\tk9 = %.9f ¡À %.9f\n',k(9),ci(9,2)-k(9))
fprintf('\tk10 = %.9f ¡À %.9f\n',k(10),ci(10,2)-k(10))
fprintf('\tk11= %.9f ¡À %.9f\n',k(11),ci(11,2)-k(11))
fprintf('\tk12 = %.9f ¡À %.9f\n',k(12),ci(12,2)-k(12))
fprintf('  The sum of the squares is: %.9e\n\n',resnorm)
[ts, ys] = ode23s(@KineticsEqs,ts,x0,[],k);
yy = [data(:,2) data(:,3) data(:,4)  data(:,5)   ];
plot(ts,ys(:,1),'b',tspan,yy(:,1),'bo');
hold on
plot(ts,ys(:,2),'r',tspan,yy(:,2),'r*');
plot(ts,ys(:,3),'k',tspan,yy(:,3),'k+')
legend('DCWµÄ¼ÆËãÖµ','DCWµÄʵÑéÖµ','SAµÄ¼ÆËãÖµ','SAµÄʵÑéÖµ','AAµÄ¼ÆËãÖµ','AAµÄʵÑéÖµ','XµÄ¼ÆËãÖµ','XµÄʵÑéÖµ')
function f = ObjFunc(k,tspan,x0,yexp)           % Ä¿±êº¯Êý
[~, Xsim] = ode23s(@KineticsEqs,tspan,x0,[],k);
Xsim1=Xsim(:,1);%ÌáÈ¡XsimµÄµÚÒ»ÁÐ
Xsim2=Xsim(:,2);%ÌáÈ¡XsimµÄµÚ¶þÁÐ
Xsim3=Xsim(:,3);%ÌáÈ¡XsimµÄµÚÈýÁÐ
Xsim4=Xsim(:,4);%ÌáÈ¡XsimµÄµÚËÄÁÐ

ysim(:,1) = Xsim1(2:end);%΢·Ö·½³ÌµÄµÚÒ»¸ö±äÁ¿£¬´ÓµÚ¶þ¸ö½âµ½×îºóÒ»¸ö½â¸³Öµ¸øysimµÄµÚÒ»ÁÐ
ysim(:,2) = Xsim2(2:end);%΢·Ö·½³ÌµÄµÚ¶þ¸ö±äÁ¿£¬´ÓµÚ¶þ¸ö½âµ½×îºóÒ»¸ö½â¸³Öµ¸øysimµÄµÚ¶þÁÐ
ysim(:,3) = Xsim3(2:end);%΢·Ö·½³ÌµÄµÚÈý¸ö±äÁ¿£¬´ÓµÚ¶þ¸ö½âµ½×îºóÒ»¸ö½â¸³Öµ¸øysimµÄµÚÈýÁÐ
ysim(:,4) = Xsim4(2:end);%΢·Ö·½³ÌµÄµÚËĸö±äÁ¿£¬´ÓµÚ¶þ¸ö½âµ½×îºóÒ»¸ö½â¸³Öµ¸øysimµÄµÚËÄÁÐ
f = [(ysim(:,1)-yexp(:,1)) (ysim(:,2)-yexp(:,2)) (ysim(:,3)-yexp(:,3)) (ysim(:,4)-yexp(:,4))];
function dCdt = KineticsEqs(~,C,k)
% ODEÄ£ÐÍ·½³Ì£¬C1¡¢C2¡¢C3¡¢C4·Ö±ðΪµ×ÎïŨ¶È¡¢²úÎï¶¡¶þËáŨ¶È¡¢²úÎïÒÒËáŨ¶È¡¢DCWÖµ£¬tΪµ¼Êý
dC1dt =(0.1933862*C(4)/(C(4)+0.78+C(4)^2/296.9)*(1-C(2)/k(1))^k(2)*(1-C(3)/k(3))^k(4))*C(1);
dC2dt =k(5)*dC1dt+k(6)*C(1);%µÚ¶þ¸ö΢·Ö·½³Ì£¬µÈºÅÇ°ÃæÊÇC(2)¶ÔtµÄ΢·Ö
dC3dt =k(7)*dC1dt+k(8)*C(1);%µÚÈý¸ö΢·Ö·½³Ì£¬µÈºÅÇ°ÃæÊÇC(3)¶ÔtµÄ΢·Ö
dC4dt =-((1/k(9))*dC1dt+k(10)*C(1)+(1/k(11))*dC2dt+(1/k(12))*dC3dt);
dCdt = [dC1dt; dC2dt;dC3dt;dC4dt];%΢·Ö·½³Ì×é.

   ¸÷λ´óÉñ£¬°ïÎÒ¿´Ò»ÏÂÕâ¸ö´úÂëÓÐʲô´íÎóûÓУ¬Ä¿±êÊÇÓÃode23sÇó½â΢·Ö·½³Ì×飬ȻºóÓ÷ÇÏßÐÔ×îС¶þ³ËÄ£Äâ²ÎÊý£¬¼±Ç󻨏´£¬Ð»Ð»´ó¼Ò£¡
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
²Î¿¼ÏÂÃæ1stOpt¼ÆËãµÄ½á¹û£º

Root of Mean Square Error (RMSE): 0.673324275669162
Sum of Squared Residual: 19.9480855290377
Correlation Coef. (R): 0.983872215020488
R-Square: 0.968004535489321

Parameter                  Best Estimate
--------------------        -------------
k1        2255.98568602798
k2        2006.16856712862
k3        123314855.293705
k4        11.7085151403374
k5        1.20000000001939
k6        0.00942914835572298
k7        0.100000000023396
k8        0.0201718372859985
k9        0.799999999987507
k10        0.0999392603337909
k11        4.49999420593383
k12        0.75747434507548
2Â¥2021-03-10 10:18:00
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