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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 parafit
0 {* @8 |7 c* \ }3 X3 l0 p% k1->k-1,k2->k1,k3->k2,k4->k3,k5->k4* D# z2 O; U) w% ]. X1 D! F
% k6->k6 k7->k7 E* A9 ]* l) E) `. D- s M* {
% dGlcdt = k-1*C(Fru)-(k1+k2)*C(Glc);
9 K4 m$ R6 {) @; N3 c7 S/ n% dFrudt = k1*C(Glc)-(k-1+k3+k4)C(Fru);9 i8 s) w: ]/ [6 J) b
% dFadt = k(2)*C(Glc)+k4*C(Fru)+(k6+k7)*C(Hmf);
' }/ F+ a2 _- B' |% dLadt = k(7)*C(Hmf);
$ K; z m) ?3 w' c$ x$ q6 ^1 A. e9 G%dHmfdt = k(3)*C(Fru)-(k6+k7)*C(Hmf);
. z% V; g( g6 t$ pclear all
# ~5 ]& h A) m8 h9 r. zclc$ a: N; z2 C9 E; P# m: w8 i
format long
; K! C1 T* G/ q8 H* C8 N6 N+ b: h. i" b% t/min Glc Fru Fa La HMF/ mol/L
* k+ E* Q: l1 ?: L0 {) g Kinetics=[0 0.25 0 0 0 0
8 i" O+ g/ K8 T: n% i& n 15 0.2319 0.01257 0.0048 0 2.50E-04! o& Z) F. v4 I5 z! U) }
30 0.19345 0.027 0.00868 0 7.00E-04* b) X# |9 _/ [+ W; s+ D3 V, |
45 0.15105 0.06975 0.02473 0 0.0033* s+ [4 C6 N. @& u; A
60 0.13763 0.07397 0.02615 0 0.00428* D Y2 d4 e9 P& d% h3 O) ^" A9 d" T
90 0.08115 0.07877 0.07485 0 0.01405
" m$ b% [! h) Q m! n 120 0.0656 0.07397 0.07885 0.00573 0.02143# E: e) D7 R) T" {0 o
180 0.04488 0.0682 0.07135 0.0091 0.03623
8 k6 D5 j3 p, B2 Y 240 0.03653 0.06488 0.08945 0.01828 0.05452$ w5 e7 z% ~; g X0 E
300 0.02738 0.05448 0.09098 0.0227 0.0597
1 T% P) h$ X% W. d# H# c 360 0.01855 0.04125 0.09363 0.0239 0.06495];
# [' U7 c# b) B4 x7 {% Qk0 = [0.0000000005 0.0000000005 0.0000000005 0.00000000005 0.00005 0.0134 0.00564 0.00001 0.00001 0.00001]; % 参数初值
# r6 M4 j" Z) Y7 F6 Blb = [0 0 0 0 0 0 0 0 0 0]; % 参数下限
8 w% _6 j% R; T3 `. iub = [1 1 1 1 1 1 1 1 1 1]; % 参数上限& M) m8 X8 {' s0 D" C3 @0 W
x0 = [0.25 0 0 0 0];
; W& O* w0 F( I$ T! m0 Eyexp = Kinetics; % yexp: 实验数据[x1 x4 x5 x6]- m4 l- }9 g# V: G# {
% warning off
U; c1 o9 \, n; W% 使用函数 ()进行参数估计
0 G8 N& o/ S0 v$ }[k,fval,flag] = fmincon(@ObjFunc7Fmincon,k0,[],[],[],[],lb,ub,[],[],x0,yexp);
, K E0 W, N5 q5 C2 G8 }6 Rfprintf('\n使用函数fmincon()估计得到的参数值为:\n')
* e |% ~ {6 E& r* W0 ifprintf('\tk1 = %.11f\n',k(1))* l; g' x- Q, c) _4 k# L% o6 }7 m
fprintf('\tk2 = %.11f\n',k(2))) c- f5 A' \, i2 s0 l1 T7 |+ v4 Y
fprintf('\tk3 = %.11f\n',k(3))
8 Q& L2 T: J5 Sfprintf('\tk4 = %.11f\n',k(4))
$ a) k. |) {. E sfprintf('\tk5 = %.11f\n',k(5))
- Y9 [( M% p( b! R6 M3 wfprintf('\tk6 = %.11f\n',k(6)); H! ^' R- W# ^( i, d7 Y
fprintf('\tk7 = %.11f\n',k(7))4 J& @8 m. _% [3 d( r
fprintf('\tk8 = %.11f\n',k(8))7 J( e) a* B5 \
fprintf('\tk9 = %.11f\n',k(9))9 {. ~6 O9 a2 ]. M
fprintf('\tk10 = %.11f\n',k(10))
0 C4 B+ n: N8 `! V0 j/ nfprintf(' The sum of the squares is: %.1e\n\n',fval)
& K: V& {% q! d2 _) ~k_fm= k;
9 f Z v a, ~' Y' J" r% warning off
2 Y& A- k$ ^8 j' w% k% 使用函数lsqnonlin()进行参数估计# s3 k. B$ J5 g
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...5 v+ S! t: l1 U$ j+ w' y- b
lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);
+ |+ e" s3 o) X4 j+ K5 s6 t1 U# ]ci = nlparci(k,residual,jacobian);
$ l' x+ K0 T0 e+ K# vfprintf('\n\n使用函数lsqnonlin()估计得到的参数值为:\n')
- I" L, F7 j5 q" Qfprintf('\tk1 = %.11f\n',k(1))
/ y* E; \2 }% r3 F: yfprintf('\tk2 = %.11f\n',k(2))
0 \( _$ L6 H) V! m) D/ P8 |fprintf('\tk3 = %.11f\n',k(3))
^2 m! l. V- [% A/ W$ xfprintf('\tk4 = %.11f\n',k(4))
1 ^- [) \7 P- @) o9 \fprintf('\tk5 = %.11f\n',k(5))
9 K. x1 t7 H& Y$ U4 m& cfprintf('\tk6 = %.11f\n',k(6))
7 V8 ^! |, r2 k' N8 r1 P2 O; F' r% xfprintf('\tk7 = %.11f\n',k(7))! H% N5 q. n+ |( J
fprintf('\tk8 = %.11f\n',k(8))
) ?; N- f( b l8 A2 ]fprintf('\tk9 = %.11f\n',k(9))
; p3 d1 _, q+ }7 I* nfprintf('\tk10 = %.11f\n',k(10))
; ?7 p7 {3 v d2 c! j: Jfprintf(' The sum of the squares is: %.1e\n\n',resnorm)" D3 ~/ U5 \3 J0 s% y- V
k_ls = k;
9 k; I0 l! \. R% B5 aoutput+ I9 m E i- h: y3 ]1 t* ]
warning off) K$ _7 a, r# R
% 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. T l4 k5 J' O: P
k0 = k_fm; U: u$ O; n1 b; y; i
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ..." o' l5 x. P, e4 {
lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);
/ _0 a! t0 ]; _4 x! Mci = nlparci(k,residual,jacobian);
* p- D2 _9 S0 w# D- @/ Jfprintf('\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')
4 H0 s2 I/ V# wfprintf('\tk1 = %.11f\n',k(1))
8 U7 {2 n1 P* t7 P$ efprintf('\tk2 = %.11f\n',k(2))& m R* [- ?7 @4 r2 s. B
fprintf('\tk3 = %.11f\n',k(3))
' Z7 K: A- L* m; E& ~& x# A+ ]fprintf('\tk4 = %.11f\n',k(4))' h0 W0 R6 C" s+ T
fprintf('\tk5 = %.11f\n',k(5))
9 \, t0 h0 Y8 |fprintf('\tk6 = %.11f\n',k(6))
2 P0 G0 m6 X8 P! o8 Dfprintf('\tk7 = %.11f\n',k(7))1 _; p: |, U) ~) N0 }
fprintf('\tk8 = %.11f\n',k(8))- f: m" [, C* ]9 a1 a
fprintf('\tk9 = %.11f\n',k(9))3 H( u) c/ ]9 P5 h
fprintf('\tk10 = %.11f\n',k(10))
1 v @2 m" _) ~! _) W0 n4 ffprintf(' The sum of the squares is: %.1e\n\n',resnorm): g& `) v* V" t( l2 m5 U! n
k_fmls = k;! {* d0 _3 d& F9 ]7 f6 n$ s
output
! M+ t# S* M! R5 @tspan = [0 15 30 45 60 90 120 180 240 300 360];5 H0 h3 y* y0 k/ Z+ y) ~7 C
[t x] = ode45(@KineticEqs,tspan,x0,[],k_fmls); 5 K. U! t1 f5 W% g0 u
figure;+ B# m5 ^: X4 z3 L
plot(t,x(:,1),t,yexp(:,2),'*');legend('Glc-pr','Glc-real')& a' ]( p' E) ^3 C
figure;plot(t,x(:,2:5));
; L; q9 L2 P2 A- [p=x(:,1:5)
) G9 z5 ]! `' l4 [6 S4 _, Yhold on( u6 Y, @( E4 H. ^1 R6 s, j
plot(t,yexp(:,3:6),'o');legend('Fru-pr','Fa-pr','La-pr','HMF-pr','Fru-real','Fa-real','La-real','HMF-real')
) q9 M# O7 {: q4 T# ^- I2 Y3 c0 P* W9 J
4 F: [$ L9 ]! [: ]9 t2 A; I4 X S( Y- P0 f" P* O0 ?
function f = ObjFunc7LNL(k,x0,yexp)& j5 C. D6 c, X! m) Z
tspan = [0 15 30 45 60 90 120 180 240 300 360];6 L' ?. n0 a) O/ l6 G$ [8 P, m+ e
[t, x] = ode45(@KineticEqs,tspan,x0,[],k);
6 \9 u: n5 k' `$ jy(:,2) = x(:,1);
, r3 j7 [& _. a8 G; vy(:,3:6) = x(:,2:5);
& u0 d6 i* O! h1 m# m+ J$ yf1 = y(:,2) - yexp(:,2);; S) m/ m$ n. H4 T+ [2 e6 ^# H
f2 = y(:,3) - yexp(:,3);. o5 ?( i' g6 K
f3 = y(:,4) - yexp(:,4);
N9 u* A* a% O8 O8 X, k6 Yf4 = y(:,5) - yexp(:,5);. R' U0 S$ k) I/ k
f5 = y(:,6) - yexp(:,6);' `0 V( T* E8 |
f = [f1; f2; f3; f4; f5];
) k0 @6 K) `4 K$ U, e2 i- c8 i K+ R" {, m
0 {' \; U0 _& D* l& U: d8 m% M% K
4 e* ?6 }$ K+ Efunction f = ObjFunc7Fmincon(k,x0,yexp)
5 ^& Z T$ y; g7 ktspan = [0 15 30 45 60 90 120 180 240 300 360];
# U! i9 C, @* l& O" R4 Q[t x] = ode45(@KineticEqs,tspan,x0,[],k);
- j7 ~! `- ?* D% N1 g' [3 qy(:,2) = x(:,1);! N3 T0 O* m" w
y(:,3:6) = x(:,2:5);
" R0 b4 H' S( D$ ~( p+ ef = sum((y(:,2)-yexp(:,2)).^2) + sum((y(:,3)-yexp(:,3)).^2) ...4 Q9 c5 g; M; B( l* n# N; b1 l
+ sum((y(:,4)-yexp(:,4)).^2) + sum((y(:,5)-yexp(:,5)).^2) ...
% L9 A0 G; f" } + sum((y(:,6)-yexp(:,6)).^2) ;/ e5 D& B) l: _; a& w
& _0 x& Z4 C6 p- w3 o
: [1 G" V- H% q9 s7 R
! G! w& w$ h0 N; a! y3 N; E% C
function dxdt = KineticEqs(t,x,k)3 Q: \4 p& k) r4 O" E6 v! h& Q
dGldt = k(1)*x(2)-(k(2)+k(3)+k(8))*x(1);* @2 B" f6 F2 {
dFrdt = k(2)*x(1)-(k(1)+k(4)+k(5)+k(9))*x(2);
4 I4 D1 H: [1 F3 cdFadt = k(3)*x(1)+k(5)*x(2)+(k(6)+k(7))*x(5); X, B' y7 Q3 N& t
dLadt = k(7)*x(5); l% k4 P( q, U
dHmdt = k(4)*x(2)-(k(6)+k(7)+k(10))*x(5);
! L& j3 p' J2 P! ]8 w7 j5 q6 sdxdt = [dGldt; dFrdt; dFadt; dLadt; dHmdt];3 {' L8 `9 Y y* s
# E! L# N8 M) |0 @8 |4 q$ s' u
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Glc.zip
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