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1135725495

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

[ÇóÖú] Çó´ó¼Ò°ïÎÒ¿´¿´ÏÂÃæÖÐmatlabÖеijÌÐòÎÊÌâ³öÔÚÄÄÀ ÒÑÓÐ1È˲ÎÓë

Çó¶¯Á¦Ñ§²ÎÊý
·½³ÌΪ£ºr1 =(k(1)*k(2)*c^2-0.25*k(3)*k(4)*(9.404-c)^2)/(1+k(2)*c+0.5*k(4)*(9.404-c));
t          c
0        8.769713879
3        5.909461709
6        5.736047766
9        4.756936544
12        4.505799773
15        4.354160734
18        4.124025932
21        3.994725485
31        3.732949397
41        3.680613046
51        3.537445782
61        3.283577643
Çók1,k2,k3,,k4
ÏÂÃæÊÇдµÄ³ÌÐò£¬´ó¼Ò°ïæ¿´¿´£¬ÎªÊ²Ã´½á¹ûÊÇÖ±ÏßÄØ£¿
function parafit
%  
% r1 =(k(1)*k(2)*c^2-0.25*k(3)*k(4)*(9.404-c)^2)/(1+k(2)*c+0.5*k(4)*(9.404-c));
%
% dCAdt = - r1;
clear all
clc
%        t/min   CA     / mol/L
  Kinetics=[0        7.029559717
1        3.960706476
2        3.163862085
3        2.963057756
6        2.820434159
9        2.698109429
12        2.556212898
15        2.447100967
18        2.207246045
21        2.13921916
31        2.000403189
41        1.917172016
51        1.851299168
61        1.636287388];
c=Kinetics( :,1)';
k0 = [0.671   0.02253  0.641   0.04028];         % ²ÎÊý³õÖµ
lb = [0 0 0 0];                   % ²ÎÊýÏÂÏÞ
ub = [100 100  100  100];    % ²ÎÊýÉÏÏÞ
x0 = [7.029559717];
yexp = Kinetics;                  
warning off
% ʹÓú¯Êýfmincon()½øÐвÎÊý¹À¼Æ
[k,fval,flag] = fmincon(@ObjFunc7Fmincon,k0,[],[],[],[],lb,ub,[],[],x0,yexp);
fprintf('\nʹÓú¯Êýfmincon()¹À¼ÆµÃµ½µÄ²ÎÊýֵΪ:\n')
fprintf('\tk1 = %.11f\n',k(1))
fprintf('\tk2 = %.11f\n',k(2))
fprintf('\tk3 = %.11f\n',k(3))
fprintf('\tk4 = %.11f\n',k(4))
fprintf('  The sum of the squares is: %.1e\n\n',fval)
k_fm= k;
warning off
% ʹÓú¯Êýlsqnonlin()½øÐвÎÊý¹À¼Æ
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
    lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);      
ci = nlparci(k,residual,jacobian);
fprintf('\n\nʹÓú¯Êýlsqnonlin()¹À¼ÆµÃµ½µÄ²ÎÊýֵΪ:\n')
fprintf('\tk1 = %.11f\n',k(1))
fprintf('\tk2 = %.11f\n',k(2))
fprintf('\tk3 = %.11f\n',k(3))
fprintf('\tk4 = %.11f\n',k(4))
fprintf('  The sum of the squares is: %.1e\n\n',resnorm)
k_ls = k;
output
warning off
% ÒÔº¯Êýfmincon()¹À¼ÆµÃµ½µÄ½á¹ûΪ³õÖµ£¬Ê¹Óú¯Êýlsqnonlin()½øÐвÎÊý¹À¼Æ
k0 = k_fm;
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
    lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);      
ci = nlparci(k,residual,jacobian);
fprintf('\n\nÒÔfmincon()µÄ½á¹ûΪ³õÖµ£¬Ê¹Óú¯Êýlsqnonlin()¹À¼ÆµÃµ½µÄ²ÎÊýֵΪ:\n')
fprintf('\tk1 = %.11f\n',k(1))
fprintf('\tk2 = %.11f\n',k(2))
fprintf('\tk3 = %.11f\n',k(3))
fprintf('\tk4 = %.11f\n',k(4))
fprintf('  The sum of the squares is: %.1e\n\n',resnorm)
k_fmls = k;
output
tspan = [0 1 2 3 6 9 12 15 18 21 31 41 51 61];
[t x] = ode45(@KineticEqs,tspan,x0,[],k_fmls);
figure;
plot(t,x(:,1),t,yexp(:,2),'*');legend('ca-pr','ca-real')
x(:,1)
figure;plot(t,x);
hold on

% ------------------------------------------------------------------
function f = ObjFunc7Fmincon(k,x0,yexp)
tspan = [0 1 2 3 6 9 12 15 18 21 31 41 51 61];
[t x] = ode45(@KineticEqs,tspan,x0,[],k);   
y(:,2) = x(:,1);
f =  sum((y(:,2)-yexp(:,2)).^2) ;
% ------------------------------------------------------------------
function f = ObjFunc7LNL(k,x0,yexp)
tspan = [0 1 2 3 6 9 12 15 18 21 31 41 51 61];
[t x] = ode45(@KineticEqs,tspan,x0,[],k);   
y(:,2) = x(:,1);

f1 = y(:,2) - yexp(:,2);

f = [f1];
% ------------------------------------------------------------------
function dxdt = KineticEqs(t,x,k)
Kinetics=[0        7.029559717
1        3.960706476
2        3.163862085
3        2.963057756
6        2.820434159
9        2.698109429
12        2.556212898
15        2.447100967
18        2.207246045
21        2.13921916
31        2.000403189
41        1.917172016
51        1.851299168
61        1.636287388];
c=Kinetics(:,1)';
for i=1:14
    c(i)=c(:,i);
   
r1 =(k(1)*k(2)*c(i)^2-0.25*k(3)*k(4)*(9.404-c(i))^2)/(1+k(2)*c(i)+0.5*k(4)*(9.404-c(i)));
dCAdt = - r1;
dxdt = [dCAdt];
end
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1135725495

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by ÔÂÖ»À¶ at 2015-05-26 13:56:42
Á½×é²Î¿¼½á¹û£º

Correlation Coef. (R): 0.986609345793065
R-Square: 0.97339800120622
Determination Coef. (DC): 0.973395608126228
F-Statistic: 73.3952829093829
Parameters Best Estimate
--------- ...

ÄúºÃ£¬ÄúµÄ¼ÆËã½á¹ûÎÒ¿´µ½ÁË£¬ÎÒÏë˵µÄÊÇÎÒÉÏÃæ±àµÄMatlab³ÌÐòÕýÈ·Âð£¿ÎªÊ²Ã´»á³öÏÖÄÇÑùµÄ¼ÆËã½á¹û£¿»¹ÓоÍÊÇÄú¼ÆËãµÄ·½·¨ÊÇ×îС¶þ³ËÂð£¿ÎÒÏÖÔÚÐèÒªÓÃmatlab¼ÆË㣬ÒòΪдÂÛÎÄÐèÒª¡£ËùÒÔÄúÄܲ»Äܰïæ¿´Ò»Ï³ÌÐòÊÇ·ñÕýÈ·£¿
3Â¥2015-05-26 15:38:21
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1135725495: ½ð±Ò+10, ¡ïÓаïÖú 2015-05-26 15:35:53
Á½×é²Î¿¼½á¹û£º

Correlation Coef. (R): 0.986609345793065
R-Square: 0.97339800120622
Determination Coef. (DC): 0.973395608126228
F-Statistic: 73.3952829093829
Parameters Best Estimate
-------------------- -------------
k1 0.0633244071641639
k2 -0.123667552854961
k3 0.0140433904054541
k4 -0.681989563148558
====== Output Results =====
File: Data file - 1
No Obs. c Cal. c
1 5.909461709 6.03887691479301
2 5.736047766 5.36051185683508
3 4.756936544 4.91507500618295
4 4.505799773 4.59634816701972
5 4.354160734 4.35722735701414
6 4.124025932 4.17236164824689
7 3.994725485 4.02646466838814
8 3.732949397 3.71546906582311
9 3.680613046 3.55315135651946
10 3.537445782 3.46435427377623
11 3.283577643 3.41460522937653

Correlation Coef. (R): 0.98660934579373
R-Square: 0.973398001207533
Determination Coef. (DC): 0.973395608126228
F-Statistic: 73.3952829093831
Parameters Best Estimate
-------------------- -------------
k1 0.481614078106072
k2 1.61663483596038
k3 0.0205007668163867
k4 46.4476555663092
====== Output Results =====
File: Data file - 1
No Obs. c Cal. c
1 5.909461709 6.03887691237705
2 5.736047766 5.36051185622609
3 4.756936544 4.91507500636805
4 4.505799773 4.5963481675709
5 4.354160734 4.35722735771124
6 4.124025932 4.17236164896553
7 3.994725485 4.02646466905497
8 3.732949397 3.71546906608907
9 3.680613046 3.55315135632873
10 3.537445782 3.46435427319561
11 3.283577643 3.41460522849613
MATLAB¡¢MSСÎÊÌâ¡¢ÆÕͨÎÊÌâÇë·¢ÌûÇóÖú£¡Ê±¼ä¾«Á¦ÓÐÏÞ£¬Ë¡²»½ÓÊÜÎÞ³¥Ë½ÐÅÇóÖú¡£
2Â¥2015-05-26 13:56:42
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3Â¥: Originally posted by 1135725495 at 2015-05-26 15:38:21
ÄúºÃ£¬ÄúµÄ¼ÆËã½á¹ûÎÒ¿´µ½ÁË£¬ÎÒÏë˵µÄÊÇÎÒÉÏÃæ±àµÄMatlab³ÌÐòÕýÈ·Âð£¿ÎªÊ²Ã´»á³öÏÖÄÇÑùµÄ¼ÆËã½á¹û£¿»¹ÓоÍÊÇÄú¼ÆËãµÄ·½·¨ÊÇ×îС¶þ³ËÂð£¿ÎÒÏÖÔÚÐèÒªÓÃmatlab¼ÆË㣬ÒòΪдÂÛÎÄÐèÒª¡£ËùÒÔÄúÄܲ»Äܰïæ¿´Ò»ÏÂ³Ì ...

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4Â¥2015-05-26 16:25:47
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dbb627

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ÒýÓûØÌû:
3Â¥: Originally posted by 1135725495 at 2015-05-26 15:38:21
ÄúºÃ£¬ÄúµÄ¼ÆËã½á¹ûÎÒ¿´µ½ÁË£¬ÎÒÏë˵µÄÊÇÎÒÉÏÃæ±àµÄMatlab³ÌÐòÕýÈ·Âð£¿ÎªÊ²Ã´»á³öÏÖÄÇÑùµÄ¼ÆËã½á¹û£¿»¹ÓоÍÊÇÄú¼ÆËãµÄ·½·¨ÊÇ×îС¶þ³ËÂð£¿ÎÒÏÖÔÚÐèÒªÓÃmatlab¼ÆË㣬ÒòΪдÂÛÎÄÐèÒª¡£ËùÒÔÄúÄܲ»Äܰïæ¿´Ò»ÏÂ³Ì ...

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function parafit
%  
% r1 =(k(1)*k(2)*c^2-0.25*k(3)*k(4)*(9.404-c)^2)/(1+k(2)*c+0.5*k(4)*(9.404-c));
%
% dCAdt = - r1;
clear all
clc
%        t/min   CA     / mol/L
  Kinetics=[0        7.029559717
1        3.960706476
2        3.163862085
3        2.963057756
6        2.820434159
9        2.698109429
12        2.556212898
15        2.447100967
18        2.207246045
21        2.13921916
31        2.000403189
41        1.917172016
51        1.851299168
61        1.636287388];
k0 = [0.0671   1.253  0.02   48.028];         % ²ÎÊý³õÖµ
lb = [0 0 0 0];                   % ²ÎÊýÏÂÏÞ
ub = [100 100  100  100];    % ²ÎÊýÉÏÏÞ
x0 = [7.029559717];
yexp = Kinetics;                  
warning off
% ʹÓú¯Êýfmincon()½øÐвÎÊý¹À¼Æ
[k,fval,flag] = fmincon(@ObjFunc7Fmincon,k0,[],[],[],[],lb,ub,[],[],x0,yexp);
fprintf('\nʹÓú¯Êýfmincon()¹À¼ÆµÃµ½µÄ²ÎÊýֵΪ:\n')
fprintf('\tk1 = %.11f\n',k(1))
fprintf('\tk2 = %.11f\n',k(2))
fprintf('\tk3 = %.11f\n',k(3))
fprintf('\tk4 = %.11f\n',k(4))
fprintf('  The sum of the squares is: %.1e\n\n',fval)
k_fm= k;
warning off
% ʹÓú¯Êýlsqnonlin()½øÐвÎÊý¹À¼Æ
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
    lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);      
ci = nlparci(k,residual,jacobian);
fprintf('\n\nʹÓú¯Êýlsqnonlin()¹À¼ÆµÃµ½µÄ²ÎÊýֵΪ:\n')
fprintf('\tk1 = %.11f\n',k(1))
fprintf('\tk2 = %.11f\n',k(2))
fprintf('\tk3 = %.11f\n',k(3))
fprintf('\tk4 = %.11f\n',k(4))
fprintf('  The sum of the squares is: %.1e\n\n',resnorm)
k_ls = k;
output
warning off
% ÒÔº¯Êýfmincon()¹À¼ÆµÃµ½µÄ½á¹ûΪ³õÖµ£¬Ê¹Óú¯Êýlsqnonlin()½øÐвÎÊý¹À¼Æ
k0 = k_fm;
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
    lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);      
ci = nlparci(k,residual,jacobian);
fprintf('\n\nÒÔfmincon()µÄ½á¹ûΪ³õÖµ£¬Ê¹Óú¯Êýlsqnonlin()¹À¼ÆµÃµ½µÄ²ÎÊýֵΪ:\n')
fprintf('\tk1 = %.11f\n',k(1))
fprintf('\tk2 = %.11f\n',k(2))
fprintf('\tk3 = %.11f\n',k(3))
fprintf('\tk4 = %.11f\n',k(4))
fprintf('  The sum of the squares is: %.1e\n\n',resnorm)
k_fmls = k;
output
tspan = [0 1 2 3 6 9 12 15 18 21 31 41 51 61];
[t x] = ode45(@KineticEqs,tspan,x0,[],k_fmls);
figure;
plot(t,x,'o-',t,yexp(:,2),'*');legend('ca-pr','ca-real')


% ------------------------------------------------------------------
function f = ObjFunc7Fmincon(k,x0,yexp)
tspan = [0 1 2 3 6 9 12 15 18 21 31 41 51 61];
[t x] = ode45(@KineticEqs,tspan,x0,[],k);   
f =  sum((x-yexp(:,2)).^2) ;
% ------------------------------------------------------------------
function f = ObjFunc7LNL(k,x0,yexp)
tspan = [0 1 2 3 6 9 12 15 18 21 31 41 51 61];
[t x] = ode45(@KineticEqs,tspan,x0,[],k);   
f1 = x - yexp(:,2);
f = [f1];
% ------------------------------------------------------------------
function dxdt = KineticEqs(t,x,k)
dxdt=-(k(1)*k(2)*x^2-0.25*k(3)*k(4)*(9.404-x)^2)/(1+k(2)*x+0.5*k(4)*(9.404-x));
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
5Â¥2015-05-26 16:56:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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[ÂÛÎÄͶ¸å] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +4 khieu8v8m0 2026-02-22 8/400 2026-02-23 09:29 by w4l55oybr1
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