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升级   87.37% TA的每日心情 | 无聊 2015-10-10 18:19 |
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签到天数: 24 天 [LV.4]偶尔看看III
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10体力
function parafit5 H7 [) J g. f) P5 v+ @
% k1->k-1,k2->k1,k3->k2,k4->k3,k5->k4* T; U. {7 E. X9 a
% k6->k6 k7->k7# X( ?- z' l: o6 t
% dGlcdt = k-1*C(Fru)-(k1+k2)*C(Glc);
( v. c( n& |! e2 l% dFrudt = k1*C(Glc)-(k-1+k3+k4)C(Fru);
: n" g' b! O6 b2 r% dFadt = k(2)*C(Glc)+k4*C(Fru)+(k6+k7)*C(Hmf);# T9 _$ J( o# U( i
% dLadt = k(7)*C(Hmf);
1 G0 m( l' S) H7 @%dHmfdt = k(3)*C(Fru)-(k6+k7)*C(Hmf);0 q* l3 \# o: E5 W7 x/ ]2 G
clear all4 p# F/ Q6 m6 H' ^
clc
) l* O$ f/ J" I3 I9 r+ R: Fformat long
& N9 t3 C7 W- ^# m% t/min Glc Fru Fa La HMF/ mol/L
& P2 b4 S: L# }7 l e5 X Kinetics=[0 0.25 0 0 0 0
2 l, s0 y/ L; {0 U+ j1 |/ U 15 0.2319 0.01257 0.0048 0 2.50E-04/ s: {) n% \" k; A6 t: K, `' Q5 I
30 0.19345 0.027 0.00868 0 7.00E-04
+ O& V$ O: Y0 o } 45 0.15105 0.06975 0.02473 0 0.0033
6 G+ J0 L) s' n y+ _/ S 60 0.13763 0.07397 0.02615 0 0.00428
, j$ L b" j" o7 z 90 0.08115 0.07877 0.07485 0 0.014056 J2 ~; P0 h A. g* D3 l
120 0.0656 0.07397 0.07885 0.00573 0.02143
- W5 r5 [% l/ n9 p 180 0.04488 0.0682 0.07135 0.0091 0.03623
% J! @) h3 G* d" b- p 240 0.03653 0.06488 0.08945 0.01828 0.05452+ j f( i$ H$ }/ C! L$ o
300 0.02738 0.05448 0.09098 0.0227 0.0597
. }) J; S* k5 i1 a, V, h( ]7 D+ w 360 0.01855 0.04125 0.09363 0.0239 0.06495];
9 y' j& t% _6 X7 O; sk0 = [0.0000000005 0.0000000005 0.0000000005 0.00000000005 0.00005 0.0134 0.00564 0.00001 0.00001 0.00001]; % 参数初值
/ n1 w2 T# V# u/ x7 b l6 Ylb = [0 0 0 0 0 0 0 0 0 0]; % 参数下限
, z0 ]: I. W: L* w7 ] _ub = [1 1 1 1 1 1 1 1 1 1]; % 参数上限
+ S6 C) A4 ^& @/ B/ M. X3 v) Bx0 = [0.25 0 0 0 0];" {, j: V0 P$ H v% x5 q: [
yexp = Kinetics; % yexp: 实验数据[x1 x4 x5 x6]
/ S7 [% u+ Q" H3 F9 A- r% warning off
4 Z5 s8 A' X& q2 h2 b% 使用函数 ()进行参数估计5 Y3 f! M3 P8 D: Q( f& [
[k,fval,flag] = fmincon(@ObjFunc7Fmincon,k0,[],[],[],[],lb,ub,[],[],x0,yexp);
8 O8 d# s# j+ M9 R2 l3 n/ hfprintf('\n使用函数fmincon()估计得到的参数值为:\n')# v0 L5 t3 |" g) I+ N: z2 N. t
fprintf('\tk1 = %.11f\n',k(1))" N$ G1 ~) F. T
fprintf('\tk2 = %.11f\n',k(2))2 G/ Y4 Q# Z& ] i5 t- J! I
fprintf('\tk3 = %.11f\n',k(3))
- G, C, ]% A4 X2 j0 p* t- i& \fprintf('\tk4 = %.11f\n',k(4))
" ~, h4 }( E, h6 mfprintf('\tk5 = %.11f\n',k(5))0 Y) F, m" e2 D& S* s
fprintf('\tk6 = %.11f\n',k(6))5 {+ E. q Y2 B) V+ x# b {9 i$ C
fprintf('\tk7 = %.11f\n',k(7))
0 t0 t# e+ a/ J: J8 T( ?* Afprintf('\tk8 = %.11f\n',k(8))
8 h- M# C5 O1 O O* l4 o& zfprintf('\tk9 = %.11f\n',k(9))
1 ?! d& ?' V+ n7 s8 D7 z$ vfprintf('\tk10 = %.11f\n',k(10))
% b% }/ H, N3 K9 Y) n4 W9 kfprintf(' The sum of the squares is: %.1e\n\n',fval), b( T0 B* N; e9 b0 Q( @; [0 n/ D
k_fm= k;' W& D, B# ^% T |" p8 B
% warning off
: k0 }' Z% ?6 J# e% 使用函数lsqnonlin()进行参数估计0 ]8 Z5 m0 G5 x8 e* m
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...# {2 K& @3 c+ x4 o9 Y
lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp); 2 a/ V' o) S% J
ci = nlparci(k,residual,jacobian);. m/ @& ]& m* o2 B
fprintf('\n\n使用函数lsqnonlin()估计得到的参数值为:\n')
+ | \5 x2 ^, w; h+ A+ ?0 ^7 s: ?fprintf('\tk1 = %.11f\n',k(1))+ `! G# }# @+ W
fprintf('\tk2 = %.11f\n',k(2))
9 U' h2 A( u8 s' j; g% Lfprintf('\tk3 = %.11f\n',k(3))
' i$ W& q4 M, t6 ?fprintf('\tk4 = %.11f\n',k(4)) \! T% m% ~3 Q% T
fprintf('\tk5 = %.11f\n',k(5))! U5 g* q# Y! c, @
fprintf('\tk6 = %.11f\n',k(6)). [2 V% K, X* `* s0 S4 S
fprintf('\tk7 = %.11f\n',k(7)): l) f, k/ \9 R4 H( @# V
fprintf('\tk8 = %.11f\n',k(8))
/ f) b4 F K1 ~4 d4 ^% ifprintf('\tk9 = %.11f\n',k(9))
2 F- s) l6 v/ n# @ z* e% Lfprintf('\tk10 = %.11f\n',k(10))
4 f0 ]0 V, n7 @ L5 ~( A! X( Bfprintf(' The sum of the squares is: %.1e\n\n',resnorm)
8 c1 o( r$ J/ B4 Y/ R8 Dk_ls = k;. B7 z) T5 ?) j
output
% U0 e& t, d- wwarning off
& r3 ?/ C7 c# G3 k% 以函数fmincon()估计得到的结果为初值,使用函数lsqnonlin()进行参数估计
! j% x1 B" O% ^ g) Z. ck0 = k_fm;" V4 P& G/ O( Y+ }
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
& L, `# [7 ^+ B) B, S lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);
( t9 A( I" j& z/ I3 _ci = nlparci(k,residual,jacobian);
: l4 ?9 \2 i8 M B0 ]: hfprintf('\n\n以fmincon()的结果为初值,使用函数lsqnonlin()估计得到的参数值为:\n')( }+ o2 j" G% m+ |6 C g
fprintf('\tk1 = %.11f\n',k(1)): p+ u* J. i# |& s( H
fprintf('\tk2 = %.11f\n',k(2))
* v7 O+ _* L1 ~; W. y) u! Nfprintf('\tk3 = %.11f\n',k(3))( k0 c! ?3 m! s8 R8 v1 k$ V& u0 z
fprintf('\tk4 = %.11f\n',k(4))3 R! D+ r% p, ?/ d `
fprintf('\tk5 = %.11f\n',k(5))
! P& E' d' J( Y, I- [fprintf('\tk6 = %.11f\n',k(6))
1 ^6 d0 Q3 s# y7 m9 l" A0 efprintf('\tk7 = %.11f\n',k(7))
{( s! W3 W: O3 X* ^5 [* Qfprintf('\tk8 = %.11f\n',k(8))
& ?. x, H* @' L. g6 Afprintf('\tk9 = %.11f\n',k(9)), h, X% X/ y# S: Z# j
fprintf('\tk10 = %.11f\n',k(10))
( f$ T; }0 I$ m: e8 q/ Ufprintf(' The sum of the squares is: %.1e\n\n',resnorm)! m/ m8 u" w: D6 \
k_fmls = k;( N. [- L1 f v/ y6 E
output0 Y, |+ f9 C0 a7 C# f2 C
tspan = [0 15 30 45 60 90 120 180 240 300 360];; J0 p* Q0 _+ Z& x# x7 d
[t x] = ode45(@KineticEqs,tspan,x0,[],k_fmls); $ A4 ~( N, O* |0 A+ O6 I7 u
figure;
6 H" o8 X: b' u4 C% Iplot(t,x(:,1),t,yexp(:,2),'*');legend('Glc-pr','Glc-real')8 {, A6 Z: x% f/ T8 |' {' g: S9 G
figure;plot(t,x(:,2:5));
: Z b( Y* ]! j8 np=x(:,1:5)) |! y( P. h. ` {( D2 F. S
hold on
' R- {+ ]: D, c+ Iplot(t,yexp(:,3:6),'o');legend('Fru-pr','Fa-pr','La-pr','HMF-pr','Fru-real','Fa-real','La-real','HMF-real')
3 S0 j* ?' e( D1 k, n% F2 K s0 y, B' \; Y+ c' k
* ^( H% T* [2 _7 }. l; `
: J3 x, ?& J: s Z1 lfunction f = ObjFunc7LNL(k,x0,yexp)) y1 c1 M0 n, ~' [- r4 H
tspan = [0 15 30 45 60 90 120 180 240 300 360];
7 Z% t% C- y" ^: z8 z. Y[t, x] = ode45(@KineticEqs,tspan,x0,[],k);
) _- ?0 y9 g& P. @" Z- by(:,2) = x(:,1);
4 O8 r% o r `3 W& _( Cy(:,3:6) = x(:,2:5);' n: z6 V1 \) D y$ f0 t
f1 = y(:,2) - yexp(:,2);6 j3 [( a' z! p3 w
f2 = y(:,3) - yexp(:,3);
8 E& J; t) R5 N# vf3 = y(:,4) - yexp(:,4);5 x p/ a8 v$ M5 F4 L! G
f4 = y(:,5) - yexp(:,5);* k/ B/ D0 |; [( }- b E1 s) ~* y
f5 = y(:,6) - yexp(:,6);4 I( o) D" c6 N. M( m5 r
f = [f1; f2; f3; f4; f5];: p$ |1 @' N: O8 g" P6 i
9 ]8 \4 {2 Z! Z, I1 \
, N5 V B) Z. B% [1 E ^
# S. E0 t$ z; Lfunction f = ObjFunc7Fmincon(k,x0,yexp)
( ]% q$ @0 s' U8 \tspan = [0 15 30 45 60 90 120 180 240 300 360];
& T9 j7 N% a* I* q' c G[t x] = ode45(@KineticEqs,tspan,x0,[],k);
- @" T0 y% ~$ O, u j/ y2 [9 Ry(:,2) = x(:,1);
g; A4 @8 p0 ^* y0 `/ U' A: `y(:,3:6) = x(:,2:5);- V9 @/ ^5 R1 i; @3 h( R# }
f = sum((y(:,2)-yexp(:,2)).^2) + sum((y(:,3)-yexp(:,3)).^2) ...4 x( |4 n, X) {
+ sum((y(:,4)-yexp(:,4)).^2) + sum((y(:,5)-yexp(:,5)).^2) ...
& u6 a2 t: V4 s1 d) d: Y + sum((y(:,6)-yexp(:,6)).^2) ;5 m. \6 F& X0 ^8 g$ M
" j/ q9 S$ C; C& p& e0 ~
) M# S: f0 l5 a- g, i
( N4 G2 s+ U5 d/ z& r/ p
2 s8 Y: G# i8 S
function dxdt = KineticEqs(t,x,k)! E0 I2 d4 ? J. @
dGldt = k(1)*x(2)-(k(2)+k(3)+k(8))*x(1);3 a$ t% z! z+ ^% `
dFrdt = k(2)*x(1)-(k(1)+k(4)+k(5)+k(9))*x(2);* r% g2 ?3 e2 ?* p# m' h
dFadt = k(3)*x(1)+k(5)*x(2)+(k(6)+k(7))*x(5);
7 l# g! C4 }4 @0 udLadt = k(7)*x(5);
4 k0 d8 S7 l, vdHmdt = k(4)*x(2)-(k(6)+k(7)+k(10))*x(5);
% ^7 r8 t0 m _, l$ Bdxdt = [dGldt; dFrdt; dFadt; dLadt; dHmdt];7 \2 |# r: B3 n# W) U+ Y4 i
/ m% S- x6 Q# t$ c7 e7 d _9 p" N& I. k
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