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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+ l4 i9 d) |1 d# V* P. p
% k1->k-1,k2->k1,k3->k2,k4->k3,k5->k44 t! l. K; H/ E
% k6->k6 k7->k7/ A% h: a6 E1 @+ w* y" L
% dGlcdt = k-1*C(Fru)-(k1+k2)*C(Glc);
1 i& l1 y$ s( T) m6 } d! T$ H% dFrudt = k1*C(Glc)-(k-1+k3+k4)C(Fru);
* h, l) w4 v- c* A$ M0 n* Y' ~( i% dFadt = k(2)*C(Glc)+k4*C(Fru)+(k6+k7)*C(Hmf);* {; y! ]; `4 S% Z" _4 d: n& h
% dLadt = k(7)*C(Hmf);
2 J2 S! L5 q5 [) w* N9 M3 l2 M2 H%dHmfdt = k(3)*C(Fru)-(k6+k7)*C(Hmf);
- G7 n: a% f3 W' C1 ]0 zclear all
' S2 W2 v1 _$ I& Q* M! Jclc- t6 y$ L" m( E6 t2 W: ~2 j" F
format long% h: [# e" J0 D3 v
% t/min Glc Fru Fa La HMF/ mol/L ( ?. f( D' C# k" A' T, Q6 x
Kinetics=[0 0.25 0 0 0 0
0 v. K/ E2 ?% c) X2 J 15 0.2319 0.01257 0.0048 0 2.50E-04# I- N" j7 C) p" {
30 0.19345 0.027 0.00868 0 7.00E-041 a( Z, G$ r9 z' ~) t% g, B; n/ W
45 0.15105 0.06975 0.02473 0 0.0033
, M; t B( ]9 E* r: ^0 l4 w 60 0.13763 0.07397 0.02615 0 0.00428
4 b( a& `* C( o$ u @+ L% A 90 0.08115 0.07877 0.07485 0 0.01405. E2 F$ {* X9 f* Z! a
120 0.0656 0.07397 0.07885 0.00573 0.02143
6 d* `/ }& x% c( h. b; O 180 0.04488 0.0682 0.07135 0.0091 0.03623# U/ J1 L. R, B
240 0.03653 0.06488 0.08945 0.01828 0.05452* [5 m7 P8 `7 p [& s- q: [
300 0.02738 0.05448 0.09098 0.0227 0.0597
/ R; O- T1 J3 f) |" t1 T8 | 360 0.01855 0.04125 0.09363 0.0239 0.06495];
+ [. g( a' W4 P2 U% D/ Pk0 = [0.0000000005 0.0000000005 0.0000000005 0.00000000005 0.00005 0.0134 0.00564 0.00001 0.00001 0.00001]; % 参数初值
5 n3 o; g! P5 H9 ]/ p& C# c0 rlb = [0 0 0 0 0 0 0 0 0 0]; % 参数下限
' m" l" m( K5 t7 A% Oub = [1 1 1 1 1 1 1 1 1 1]; % 参数上限
7 e2 x% h6 J$ Y& Q$ `' e7 d( t# @x0 = [0.25 0 0 0 0];
# [% r# z" j( E; d0 Q( J7 Xyexp = Kinetics; % yexp: 实验数据[x1 x4 x5 x6]* b+ s7 y4 M0 c0 r6 h7 I$ W9 _
% warning off
/ T0 N* E" K% ?$ B8 S7 i% 使用函数 ()进行参数估计* A' d% O' q4 o, h+ J' ] \, g$ |
[k,fval,flag] = fmincon(@ObjFunc7Fmincon,k0,[],[],[],[],lb,ub,[],[],x0,yexp);
( l2 l% o$ i# g/ g: }) ^8 f7 Rfprintf('\n使用函数fmincon()估计得到的参数值为:\n')
5 S; \0 `; W) m3 P& Dfprintf('\tk1 = %.11f\n',k(1))
: n4 n/ {/ w4 h8 Gfprintf('\tk2 = %.11f\n',k(2))6 \' y; y0 L+ m% s1 a9 Z
fprintf('\tk3 = %.11f\n',k(3))
) |- h- V0 l: a2 \9 Cfprintf('\tk4 = %.11f\n',k(4))+ \/ E% F6 ]0 E k3 `1 }, s
fprintf('\tk5 = %.11f\n',k(5))' _* e7 {' B- O
fprintf('\tk6 = %.11f\n',k(6)) Q6 D+ u; }. L/ M$ i
fprintf('\tk7 = %.11f\n',k(7))& P% M) S9 [& ^$ ?" ^) L ]
fprintf('\tk8 = %.11f\n',k(8))
# i$ R8 Q* ^, [7 [# Ffprintf('\tk9 = %.11f\n',k(9)): d' K5 `2 R+ X1 O7 s. C2 j
fprintf('\tk10 = %.11f\n',k(10))/ v7 Z/ A6 M, S2 c8 Q" F! f0 W% X
fprintf(' The sum of the squares is: %.1e\n\n',fval)! }, b# v$ q v2 K2 B& A: h- y
k_fm= k;& h. A/ f9 N, [
% warning off
( Z/ d$ d' P$ s% 使用函数lsqnonlin()进行参数估计3 c% o! T4 O$ J" _
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
v9 q; l% A4 O9 c& H' ` lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp); % O9 ~6 v- X6 `, \2 r
ci = nlparci(k,residual,jacobian);" K" V4 d& M9 Z; C
fprintf('\n\n使用函数lsqnonlin()估计得到的参数值为:\n')
5 f5 K/ J, E7 ?( yfprintf('\tk1 = %.11f\n',k(1))
t! Q# n% l8 Y" G, mfprintf('\tk2 = %.11f\n',k(2))1 f: X4 }9 n9 d
fprintf('\tk3 = %.11f\n',k(3))' O+ [. b3 |5 B; y( s# t" S' i
fprintf('\tk4 = %.11f\n',k(4))
! ?7 S# s0 J. S5 R, u& bfprintf('\tk5 = %.11f\n',k(5))7 f C4 @' x& t) S
fprintf('\tk6 = %.11f\n',k(6))
* x8 I5 [0 C+ ]1 j9 M3 w3 Z+ ~8 J$ Lfprintf('\tk7 = %.11f\n',k(7))8 W$ U, K$ Z7 T# S/ Z" P! v z
fprintf('\tk8 = %.11f\n',k(8))' _5 k3 P- j+ o" H7 T! o3 Z
fprintf('\tk9 = %.11f\n',k(9))
$ t5 `0 v7 L6 E: F. q4 S- U" m8 H0 jfprintf('\tk10 = %.11f\n',k(10))& F8 v5 Q% Y0 n3 d9 ?7 ^! x
fprintf(' The sum of the squares is: %.1e\n\n',resnorm)
6 _: E6 o/ w2 f+ m9 l" q1 Y% j6 Sk_ls = k;
* d& z, e. V1 q& ?. M$ _) C: O- ioutput
$ k7 Q; t! e/ B* @warning off/ |% Q9 j% _- e
% 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& K3 p4 t! ^! ^; W
k0 = k_fm;, ?% U( k' C6 F7 {
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
, ~1 T8 O* N( p3 t4 Y% a lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);
# b6 w4 L( s6 q* Y4 n1 }, V" Qci = nlparci(k,residual,jacobian);
! m; m% F4 e9 o$ S, D3 f6 rfprintf('\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')
+ \: Y" P7 E7 }2 p! Y4 yfprintf('\tk1 = %.11f\n',k(1))6 s; `( N: K$ d: d4 N) J
fprintf('\tk2 = %.11f\n',k(2))* F" L" Q* T" `- P1 l$ l
fprintf('\tk3 = %.11f\n',k(3))
: T5 L+ e2 u$ |3 Y0 Pfprintf('\tk4 = %.11f\n',k(4))
8 Q* u6 A( [* Sfprintf('\tk5 = %.11f\n',k(5))# U- M8 j: v0 {& P
fprintf('\tk6 = %.11f\n',k(6))( C% A a" W3 b# K+ o
fprintf('\tk7 = %.11f\n',k(7)) D, q" y' t! G# A
fprintf('\tk8 = %.11f\n',k(8)): q6 j' C4 X6 ]# I" N" h, r
fprintf('\tk9 = %.11f\n',k(9))) a( j! v9 _, @& M) X
fprintf('\tk10 = %.11f\n',k(10))
' ?" \) I) G8 u9 pfprintf(' The sum of the squares is: %.1e\n\n',resnorm)8 @1 V: `! a( Q' H- G. k; f: _. t
k_fmls = k;* S. |6 F% m o! Z/ ~) {
output+ I4 X; v9 ~' ^1 B/ T! n4 T
tspan = [0 15 30 45 60 90 120 180 240 300 360];
" t* l, l5 {, u g$ { p# y4 P% D% u[t x] = ode45(@KineticEqs,tspan,x0,[],k_fmls); ! J9 @+ Q" q) q& a+ s( I' y% j3 R( ^, B
figure;
1 s$ A' x. Z, tplot(t,x(:,1),t,yexp(:,2),'*');legend('Glc-pr','Glc-real')
9 ]% ? p. K) G2 N) ^) Gfigure;plot(t,x(:,2:5));
. p) o$ H3 L7 C$ w( r# p% u9 D& K/ vp=x(:,1:5)
2 l- G, m, U: T% G5 }& b8 _- t3 bhold on3 U) R; [! F1 r7 T; X) A/ g
plot(t,yexp(:,3:6),'o');legend('Fru-pr','Fa-pr','La-pr','HMF-pr','Fru-real','Fa-real','La-real','HMF-real')# U" o# |! C- J3 z
2 F# O5 R) z! g5 q) I# \5 L4 _% \+ n& E
' c4 \) T, _9 N0 C0 b
6 v( I7 ?4 J+ j+ Efunction f = ObjFunc7LNL(k,x0,yexp). d9 l8 D3 o. H/ i9 z2 }1 U
tspan = [0 15 30 45 60 90 120 180 240 300 360];
# q, [& m! E, ?3 r* p1 U2 `9 D[t, x] = ode45(@KineticEqs,tspan,x0,[],k);
- v# o% s5 O) q, @y(:,2) = x(:,1);
2 Y. ?' T1 v, }2 my(:,3:6) = x(:,2:5);
2 s7 K" R3 v, Jf1 = y(:,2) - yexp(:,2);3 } i2 p2 Y- N: w, E3 _
f2 = y(:,3) - yexp(:,3);4 h) X0 ?; h T
f3 = y(:,4) - yexp(:,4);* b& d5 `* ?; a k, G
f4 = y(:,5) - yexp(:,5);
m5 \5 o' v9 E, l: K) m& }f5 = y(:,6) - yexp(:,6);/ ?2 n" c3 w, h* T" [! l- H0 G- F
f = [f1; f2; f3; f4; f5];' @/ A3 h- Q. D O) V, G
2 t- T- v* ^; {$ Q
& r9 O5 t8 b# W) U3 g5 e5 [
$ s s9 e7 g9 A3 o9 afunction f = ObjFunc7Fmincon(k,x0,yexp)
" F- W- V1 ^) atspan = [0 15 30 45 60 90 120 180 240 300 360];
" P1 ~, e) X& P: T1 k% f: c) X$ d[t x] = ode45(@KineticEqs,tspan,x0,[],k);
9 Y% m% p/ M" ]8 f P, hy(:,2) = x(:,1);& f, ?4 J! H. j( M* y2 S
y(:,3:6) = x(:,2:5);
; h# a+ f1 J0 g+ yf = sum((y(:,2)-yexp(:,2)).^2) + sum((y(:,3)-yexp(:,3)).^2) ...9 P" Q, E0 A3 P( ?
+ sum((y(:,4)-yexp(:,4)).^2) + sum((y(:,5)-yexp(:,5)).^2) ...
4 D7 s! | @8 Q6 C. n7 ] + sum((y(:,6)-yexp(:,6)).^2) ;, p4 |" Z) Q. Q; g4 ]
3 o+ Y2 O& {" w( a- O
# Z3 g+ `6 M, v; P& h' m! L* Q- W d$ @5 C; n3 V
: C+ J: N' z% [) L, |# wfunction dxdt = KineticEqs(t,x,k); q) r7 k' c- [0 Y! q
dGldt = k(1)*x(2)-(k(2)+k(3)+k(8))*x(1);
+ i0 u! ^1 S4 z: edFrdt = k(2)*x(1)-(k(1)+k(4)+k(5)+k(9))*x(2);
( j: D: d/ y0 d- p% B! G W6 m5 edFadt = k(3)*x(1)+k(5)*x(2)+(k(6)+k(7))*x(5);( T* S+ y, X0 K- ?4 p3 k
dLadt = k(7)*x(5);
7 a( e" L9 f4 E4 T6 v+ L' TdHmdt = k(4)*x(2)-(k(6)+k(7)+k(10))*x(5);
" j/ t+ e3 ^& L( S8 n8 Bdxdt = [dGldt; dFrdt; dFadt; dLadt; dHmdt];
/ N" K3 ?2 t+ _. C. U( E0 ~1 x! x
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