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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 parafit3 E* [' s# w' L! ?* ~( k
% k1->k-1,k2->k1,k3->k2,k4->k3,k5->k40 Z+ B+ C1 y* M" Q
% k6->k6 k7->k7! `8 M$ s$ W& t+ T" I; B9 g
% dGlcdt = k-1*C(Fru)-(k1+k2)*C(Glc);9 Z7 j$ j" O3 D$ ?
% dFrudt = k1*C(Glc)-(k-1+k3+k4)C(Fru);0 V" |9 f8 d9 N4 \5 q( x* P
% dFadt = k(2)*C(Glc)+k4*C(Fru)+(k6+k7)*C(Hmf);
; ] j: i: s, e+ z4 a6 X1 s+ z- T% dLadt = k(7)*C(Hmf);7 z _) D/ {1 M4 \8 m) \+ b3 n6 Z
%dHmfdt = k(3)*C(Fru)-(k6+k7)*C(Hmf);) w) s" Q& X9 A5 t! Y" s, y
clear all0 w8 D, {4 |9 Y% d
clc0 f! L/ K. m8 K+ L1 \2 Q( M( [' @
format long+ m( E* {2 ]5 d! c
% t/min Glc Fru Fa La HMF/ mol/L ! ]9 u% ~7 P g, X/ G! |- z
Kinetics=[0 0.25 0 0 0 09 _$ y0 L( e( ^9 i9 a2 W
15 0.2319 0.01257 0.0048 0 2.50E-04
, ~8 b F, H* A) L 30 0.19345 0.027 0.00868 0 7.00E-04; T- N9 n% v' i" q% x* x4 T& |
45 0.15105 0.06975 0.02473 0 0.0033/ r5 D* m# |- l( q. w$ _- m4 ^" j
60 0.13763 0.07397 0.02615 0 0.004284 J3 @# F; y$ }: \3 C9 Z+ y. R
90 0.08115 0.07877 0.07485 0 0.01405
! b! n, ^2 m) Y9 t1 X8 f 120 0.0656 0.07397 0.07885 0.00573 0.02143
8 }' B, [# h" `: ~ 180 0.04488 0.0682 0.07135 0.0091 0.03623
/ b; t0 X$ o( \ Y 240 0.03653 0.06488 0.08945 0.01828 0.05452
( C# R) a% ^! b" d 300 0.02738 0.05448 0.09098 0.0227 0.0597
) r5 P8 |5 a* D" q9 S3 S 360 0.01855 0.04125 0.09363 0.0239 0.06495];& `/ C' N2 Q: r: E5 O6 ~
k0 = [0.0000000005 0.0000000005 0.0000000005 0.00000000005 0.00005 0.0134 0.00564 0.00001 0.00001 0.00001]; % 参数初值3 f& I3 r! u- o* u
lb = [0 0 0 0 0 0 0 0 0 0]; % 参数下限" V( ^+ ?! k8 E9 V! {# _
ub = [1 1 1 1 1 1 1 1 1 1]; % 参数上限
5 {9 K, O1 k) y* G2 v! e- }x0 = [0.25 0 0 0 0];( `- b: J& |, f) ^; v, }3 e& o
yexp = Kinetics; % yexp: 实验数据[x1 x4 x5 x6]
$ l: q& S: [" T6 [2 _8 ]% warning off
! f5 f6 o3 r1 _' P! |% {( T% 使用函数 ()进行参数估计% R8 b9 m9 g, H& P! q
[k,fval,flag] = fmincon(@ObjFunc7Fmincon,k0,[],[],[],[],lb,ub,[],[],x0,yexp);
+ Y2 |6 C- @. Wfprintf('\n使用函数fmincon()估计得到的参数值为:\n')
! t2 h( q1 `2 v9 B! G/ X: G& O, Ufprintf('\tk1 = %.11f\n',k(1))
0 K3 s( o" g& B% k' [3 \5 _fprintf('\tk2 = %.11f\n',k(2))/ P7 t; O% E! ^( f% r" I
fprintf('\tk3 = %.11f\n',k(3))
0 ]5 a; ^: u! p6 G+ L# n7 l/ @fprintf('\tk4 = %.11f\n',k(4))
6 W1 w% }; H, j8 h2 h* ~fprintf('\tk5 = %.11f\n',k(5))+ L6 [5 |1 c6 ?6 c+ [
fprintf('\tk6 = %.11f\n',k(6))
) ^( F* |( ?( O! l3 ofprintf('\tk7 = %.11f\n',k(7))
) }3 w% _7 u# r. g- R. Q% i5 Qfprintf('\tk8 = %.11f\n',k(8))
7 P/ ^4 H9 _& w9 |/ \. tfprintf('\tk9 = %.11f\n',k(9))- T/ u' T* w" m& w' Q5 y0 X8 e
fprintf('\tk10 = %.11f\n',k(10))! S0 k+ u# N2 M1 D
fprintf(' The sum of the squares is: %.1e\n\n',fval)
: ?2 f* ?* J; l7 Y M" J& Dk_fm= k;. l$ H/ k9 p0 G' J
% warning off& T1 }& m) P K2 [
% 使用函数lsqnonlin()进行参数估计" O) t! l( M% Y+ q
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
' T$ _8 [! P& M9 X& F; y. m lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp); * o- N5 ^& Z& Q7 @8 p
ci = nlparci(k,residual,jacobian);$ h8 e' s( [' U, H4 q, N( E! w Q
fprintf('\n\n使用函数lsqnonlin()估计得到的参数值为:\n')# {, I& K- f4 _9 @3 J% ?
fprintf('\tk1 = %.11f\n',k(1))
2 }1 a: n2 j/ o+ Y' g0 |# Dfprintf('\tk2 = %.11f\n',k(2))
, x9 e1 ?* i6 [( }3 rfprintf('\tk3 = %.11f\n',k(3))
: K5 s' [' b9 e8 F8 C0 y R- ?fprintf('\tk4 = %.11f\n',k(4))
+ P' j( J+ J9 W; Wfprintf('\tk5 = %.11f\n',k(5))% W7 b2 m1 R. J* A& `+ D. t1 p
fprintf('\tk6 = %.11f\n',k(6))
. b/ N2 Q1 [+ n: W* Z4 yfprintf('\tk7 = %.11f\n',k(7))$ C+ b# V) N7 x/ w6 {2 ?
fprintf('\tk8 = %.11f\n',k(8)): [7 V: \; S, j( d& k3 s
fprintf('\tk9 = %.11f\n',k(9))
' _$ N4 Q. f" j4 P: k7 Z) Yfprintf('\tk10 = %.11f\n',k(10))
& i& A$ I1 m, o/ C& xfprintf(' The sum of the squares is: %.1e\n\n',resnorm)2 p3 V# _; H1 q. p0 k; y, y
k_ls = k;; f( P' \; Z" k6 @' H
output
$ l; }2 Y2 i! Z; q* Y% vwarning off ?+ N. J) ~' n% _5 y
% 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
$ O9 G- c/ S) Dk0 = k_fm;" \, j7 Z7 |) }
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...9 E9 Q. w, K' V2 }9 W
lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);
$ M M' s- U& w: i# G; E" Vci = nlparci(k,residual,jacobian);- i3 v8 u: f5 `0 b. _+ Q
fprintf('\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')
7 W z/ P6 E: }5 W3 ~0 ffprintf('\tk1 = %.11f\n',k(1)) e! k: H- I6 d- f* P
fprintf('\tk2 = %.11f\n',k(2))
M% i. t0 S9 M5 v- Tfprintf('\tk3 = %.11f\n',k(3))
; t, ?3 ~5 m5 L/ M: I1 a8 [fprintf('\tk4 = %.11f\n',k(4))5 T; T% P2 ?9 T* @- ]5 `; s) `
fprintf('\tk5 = %.11f\n',k(5))
6 c9 N( g$ p" c9 `2 l/ Zfprintf('\tk6 = %.11f\n',k(6))
`8 D) v. k8 |' R( X' ~) Wfprintf('\tk7 = %.11f\n',k(7))
' M( R( G/ Q( M( W2 A5 _5 O3 i0 Efprintf('\tk8 = %.11f\n',k(8))& o% ^% i% c% _
fprintf('\tk9 = %.11f\n',k(9))
9 Q% D1 [1 `* {fprintf('\tk10 = %.11f\n',k(10)). d/ Y" ~; y' O+ i! ]
fprintf(' The sum of the squares is: %.1e\n\n',resnorm)
$ }. W9 O3 q/ o9 ok_fmls = k;4 W. k9 c2 z5 L6 |- V2 S# q# Y
output
! T. p; A5 l; z+ [" Ptspan = [0 15 30 45 60 90 120 180 240 300 360];
0 d9 A- S ~0 o& Y3 n# E[t x] = ode45(@KineticEqs,tspan,x0,[],k_fmls);
- B$ P0 h1 R) Ffigure;
5 P B* G2 C+ R2 j. ^; T+ ^plot(t,x(:,1),t,yexp(:,2),'*');legend('Glc-pr','Glc-real')
; W' Y. \8 _ h. G' p! ffigure;plot(t,x(:,2:5));
2 P% k5 o! @5 o, `8 ^7 U9 S; Bp=x(:,1:5)
% }# ?+ s2 A9 L2 ]: M! D" r2 u6 Uhold on( v4 g' |( _# V; z2 @ V7 f
plot(t,yexp(:,3:6),'o');legend('Fru-pr','Fa-pr','La-pr','HMF-pr','Fru-real','Fa-real','La-real','HMF-real')+ ?& X4 g" E% _7 ~" X* H/ A
" E$ ~- J% T2 b# H! x
" J2 o4 n" l% |4 [) B- [+ a' f0 g
% G9 Y0 B+ O0 F! F! a: u+ f# G
function f = ObjFunc7LNL(k,x0,yexp)( D( g9 z$ K" v/ H$ U5 w2 W
tspan = [0 15 30 45 60 90 120 180 240 300 360];/ J* d# F W0 t. |# W( Q" }
[t, x] = ode45(@KineticEqs,tspan,x0,[],k);
( c9 u# P/ v) |$ w5 By(:,2) = x(:,1);8 X0 U2 a _$ Z4 b8 _: c |
y(:,3:6) = x(:,2:5);2 R: \$ X" V ^
f1 = y(:,2) - yexp(:,2);
0 }9 f; n# q- N, U9 {0 pf2 = y(:,3) - yexp(:,3);( A# z8 j) O1 f; i
f3 = y(:,4) - yexp(:,4);
1 q( y# l* n: h0 A4 _f4 = y(:,5) - yexp(:,5);
M1 @3 [3 l7 q# b1 \f5 = y(:,6) - yexp(:,6);
' l' [: C/ [: O9 W0 e5 |f = [f1; f2; f3; f4; f5];9 x: {) _5 r3 `8 `. ^7 D4 O
/ N0 b. W. O) _2 v8 {
6 o/ @! j- D6 r# {% D
1 R- O3 o# Y1 y; C. X* c* Yfunction f = ObjFunc7Fmincon(k,x0,yexp)' S6 @7 t/ e9 S3 O+ o$ E$ r
tspan = [0 15 30 45 60 90 120 180 240 300 360];
; N# ?" W4 a' g5 ?. C[t x] = ode45(@KineticEqs,tspan,x0,[],k); 0 i# Y. A$ R/ ]3 G
y(:,2) = x(:,1);2 z6 O2 E2 [: W- W) t' B2 {! Q
y(:,3:6) = x(:,2:5);" F! g7 k/ p u% }
f = sum((y(:,2)-yexp(:,2)).^2) + sum((y(:,3)-yexp(:,3)).^2) ...
) x6 J2 D) b7 n8 ?) U" o& L6 q + sum((y(:,4)-yexp(:,4)).^2) + sum((y(:,5)-yexp(:,5)).^2) ...4 Y( X; D' h1 V K9 h- m B. }
+ sum((y(:,6)-yexp(:,6)).^2) ;5 F% P5 _8 ~6 Y" D, y6 g- Q S3 g
8 H! q k- ]% E8 Q) i. Q5 U, B
3 q+ N% {( e; \3 l) `1 E' Z; p0 M8 v" Y- O
! b1 e3 V9 Y8 _. U9 y" kfunction dxdt = KineticEqs(t,x,k)6 b3 H, a' s# H" x+ P" r
dGldt = k(1)*x(2)-(k(2)+k(3)+k(8))*x(1);
/ L6 l7 z) r( cdFrdt = k(2)*x(1)-(k(1)+k(4)+k(5)+k(9))*x(2);, k; z. l1 r }: k
dFadt = k(3)*x(1)+k(5)*x(2)+(k(6)+k(7))*x(5);* | E& o, X- G$ @! |- B
dLadt = k(7)*x(5);
* U0 g7 l- V; t& p1 j: kdHmdt = k(4)*x(2)-(k(6)+k(7)+k(10))*x(5);
) d. Q8 j6 @9 X; fdxdt = [dGldt; dFrdt; dFadt; dLadt; dHmdt];+ ^) U+ @, K; J3 a+ t m
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Glc.zip
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