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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
2 M9 Z3 v% n- d" v) g8 [5 i q; a% k1->k-1,k2->k1,k3->k2,k4->k3,k5->k4# d% ~! S4 Y9 R2 ^4 V9 y }. q
% k6->k6 k7->k7
& b* L# p/ F" h% dGlcdt = k-1*C(Fru)-(k1+k2)*C(Glc);
# e( }: z9 _( w! F3 I% z+ _+ m% dFrudt = k1*C(Glc)-(k-1+k3+k4)C(Fru);
- s" Q( P' H9 u! F4 V% dFadt = k(2)*C(Glc)+k4*C(Fru)+(k6+k7)*C(Hmf);
4 f" w. U8 @/ Z% D8 O% dLadt = k(7)*C(Hmf);1 w- A k- q: g& T6 ]
%dHmfdt = k(3)*C(Fru)-(k6+k7)*C(Hmf);
7 f+ T. ~) `" M* W9 [ f1 Lclear all8 t1 Q4 p% t) b5 a3 r
clc9 f. T( O) T) f2 H; g
format long: g+ u3 A5 }. D
% t/min Glc Fru Fa La HMF/ mol/L
+ _. r, \! Z% B" u- ?" i Kinetics=[0 0.25 0 0 0 0
+ X% T4 F8 [9 r& ?- P 15 0.2319 0.01257 0.0048 0 2.50E-04
) ^. B: _" I f( _. z) Q 30 0.19345 0.027 0.00868 0 7.00E-04
: H; }1 _6 y4 j2 u$ p2 \ 45 0.15105 0.06975 0.02473 0 0.0033
' o' H. t5 |: ~3 S5 T% { X( [ 60 0.13763 0.07397 0.02615 0 0.00428# ^: Q4 r0 o2 [ C
90 0.08115 0.07877 0.07485 0 0.014052 f G) R# I# {5 Z
120 0.0656 0.07397 0.07885 0.00573 0.02143
9 ^/ G; h+ D* p$ F- m. f5 }" R 180 0.04488 0.0682 0.07135 0.0091 0.03623
- |$ S- V& s+ C- [% K# Y 240 0.03653 0.06488 0.08945 0.01828 0.05452
4 b$ c+ L/ S( x- a, g 300 0.02738 0.05448 0.09098 0.0227 0.0597
. m# i q6 h$ b [ 360 0.01855 0.04125 0.09363 0.0239 0.06495];7 n9 B! z2 k' ~: N. @' ^
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
5 U" {& v; ^5 ]& C2 alb = [0 0 0 0 0 0 0 0 0 0]; % 参数下限" e) p k* N* T9 F
ub = [1 1 1 1 1 1 1 1 1 1]; % 参数上限) q0 P4 t! g3 K9 e, |
x0 = [0.25 0 0 0 0];
i1 q) S+ h- nyexp = Kinetics; % yexp: 实验数据[x1 x4 x5 x6]5 |" A5 K# W% I1 J9 L) F" N0 {8 e
% warning off
4 C$ l9 h3 x( p% 使用函数 ()进行参数估计8 n/ j0 |+ P% e4 G4 N9 D
[k,fval,flag] = fmincon(@ObjFunc7Fmincon,k0,[],[],[],[],lb,ub,[],[],x0,yexp);( Y) k0 g4 a% U. f; n8 H9 K
fprintf('\n使用函数fmincon()估计得到的参数值为:\n'). x; @7 H' Q v9 _0 G, |
fprintf('\tk1 = %.11f\n',k(1))
/ @3 T8 _5 v5 H0 tfprintf('\tk2 = %.11f\n',k(2)), B- f4 V5 h) m6 C& H1 c
fprintf('\tk3 = %.11f\n',k(3))
0 u$ @5 F) I- N. n# Dfprintf('\tk4 = %.11f\n',k(4))0 C; ~* G3 V) ?0 o6 {) z% x' @
fprintf('\tk5 = %.11f\n',k(5))
4 e% C6 j. H7 I O/ }fprintf('\tk6 = %.11f\n',k(6))8 k6 }; V- e, X' S, Z* {. [% i. e
fprintf('\tk7 = %.11f\n',k(7))
+ F! H x' r' n/ k. Sfprintf('\tk8 = %.11f\n',k(8))
# x7 C2 F/ }5 h) X3 Q6 bfprintf('\tk9 = %.11f\n',k(9)). ?* I1 V0 M* m, Z
fprintf('\tk10 = %.11f\n',k(10))
: c5 ?1 @4 M7 ?, {) a6 G* Efprintf(' The sum of the squares is: %.1e\n\n',fval)6 A/ E5 V8 Y& F( F3 y# b, _0 q
k_fm= k;
% d& I! H+ d4 ?& ]% y3 ?+ V% warning off
: g! {' q6 r5 ]1 r* X% 使用函数lsqnonlin()进行参数估计9 A( \. C+ [2 f( Z! ^) c
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ..., k \0 ?- o4 ^% `
lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);
* W8 q1 W$ |8 m% z( d6 ~, Oci = nlparci(k,residual,jacobian);8 M4 p# M0 C/ Q2 Q7 f$ ~" K
fprintf('\n\n使用函数lsqnonlin()估计得到的参数值为:\n')
# A4 [. V. z$ f+ [% Tfprintf('\tk1 = %.11f\n',k(1))
/ m" I+ i' I9 N/ u2 ?' Efprintf('\tk2 = %.11f\n',k(2))
. ?, X& Y1 T+ B4 m* Y h3 B+ N. z) dfprintf('\tk3 = %.11f\n',k(3))$ J" e# I3 e, k7 X5 D9 H, }/ A, M# I
fprintf('\tk4 = %.11f\n',k(4))' M5 g* w- i. T! A
fprintf('\tk5 = %.11f\n',k(5))
: X, B' t9 m3 W7 ~* R8 zfprintf('\tk6 = %.11f\n',k(6))8 j8 V7 \& I0 w1 l( [! Z# H! N; Y
fprintf('\tk7 = %.11f\n',k(7))' z$ s7 e, |7 v5 w6 t; {+ h
fprintf('\tk8 = %.11f\n',k(8))
, \" l1 v" E2 ofprintf('\tk9 = %.11f\n',k(9))
9 |9 [. t. {; y' x0 n4 jfprintf('\tk10 = %.11f\n',k(10))
- T9 |0 m' Y2 x* Ifprintf(' The sum of the squares is: %.1e\n\n',resnorm)" y8 \' u) j1 E% Y/ e- T
k_ls = k;3 A" q& ]/ `! J1 ~8 X$ B0 |
output. p. m+ M5 K3 ^- `! l' a- N
warning off1 I, \5 ^% ~1 [: y9 F" q: ]
% 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
% L$ z% ?: L9 [7 z7 b7 n; `' V+ ek0 = k_fm;! z0 w1 N& o3 @
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...( b& _+ k* {! g; \/ J
lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);
; V, ~: Z$ a3 q) T4 eci = nlparci(k,residual,jacobian);
& P) [3 b* E# f5 m: A4 X& h: f- M- g6 dfprintf('\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'), ~* _: w( R( Q" w# H
fprintf('\tk1 = %.11f\n',k(1))
: D4 F) p2 I8 y1 W G. Q1 S. W( kfprintf('\tk2 = %.11f\n',k(2))' F) R. ^" Q9 f$ z) r5 c1 B
fprintf('\tk3 = %.11f\n',k(3))
, ]& n9 m# i/ a* Hfprintf('\tk4 = %.11f\n',k(4))
3 g* t1 L0 U y; Qfprintf('\tk5 = %.11f\n',k(5))4 a" D% ?; _6 ?% L X! M
fprintf('\tk6 = %.11f\n',k(6))
# v2 \- p0 S% J3 A9 r7 Q. Tfprintf('\tk7 = %.11f\n',k(7)). u/ x- b. G2 f! D8 m3 S2 h" @9 l
fprintf('\tk8 = %.11f\n',k(8))9 s& |3 d! F: G$ ]1 W
fprintf('\tk9 = %.11f\n',k(9))
* d- ~6 Q: Z: B: |# {/ V/ sfprintf('\tk10 = %.11f\n',k(10))
# Q0 {) a6 d! K& t5 J: C; _4 H, tfprintf(' The sum of the squares is: %.1e\n\n',resnorm)
; h# c- S! {$ p A) gk_fmls = k;7 I# ]4 k% M4 U$ Y5 M
output+ g' Y+ m4 p/ |0 p m. k
tspan = [0 15 30 45 60 90 120 180 240 300 360];
T; c; F1 {% T2 Q4 g" b3 R[t x] = ode45(@KineticEqs,tspan,x0,[],k_fmls); ' X5 g/ I8 W% j
figure;/ X# W- Y! l% G- ]
plot(t,x(:,1),t,yexp(:,2),'*');legend('Glc-pr','Glc-real'). b$ S/ ~" q0 C: x
figure;plot(t,x(:,2:5));
" G$ N1 F# e! ~/ H. h1 K5 Y, S. Op=x(:,1:5)
5 X& L4 T5 _- y p- b. }9 mhold on6 D& N1 W5 L# ]% D# }. ]
plot(t,yexp(:,3:6),'o');legend('Fru-pr','Fa-pr','La-pr','HMF-pr','Fru-real','Fa-real','La-real','HMF-real')
5 d3 A$ y6 }5 _+ B3 v b: w
: n# ?1 {2 A, t3 i
: A) A; \( c0 K% Q: B0 D8 k5 x- M, J/ \
function f = ObjFunc7LNL(k,x0,yexp)' |: b# P, r. x* Z) G
tspan = [0 15 30 45 60 90 120 180 240 300 360];: V/ s% h& `9 x. @# S+ M: [! }9 O
[t, x] = ode45(@KineticEqs,tspan,x0,[],k); ; ^% @; ~3 c5 T3 B3 }: u
y(:,2) = x(:,1);6 K0 N: Z: i5 x4 W* Y
y(:,3:6) = x(:,2:5);8 e( J9 x6 b' Q
f1 = y(:,2) - yexp(:,2);
7 Z! l) Q% x8 T# X g, If2 = y(:,3) - yexp(:,3);
7 b$ r; @1 s+ M4 K5 gf3 = y(:,4) - yexp(:,4);
% U5 e; C$ L: n8 E, {f4 = y(:,5) - yexp(:,5);9 L6 \+ H: R8 d3 y. i$ ?& E
f5 = y(:,6) - yexp(:,6);
( K- r; l4 }! Of = [f1; f2; f3; f4; f5];
- L) ~- k# R1 r! h& K5 G$ t- n4 U n i7 R9 I- t
- }: s% X3 P% V5 O
* N3 t; \: t' E% x/ E; \: B* I& V
function f = ObjFunc7Fmincon(k,x0,yexp)
0 }- A# a' g9 Y% B5 ztspan = [0 15 30 45 60 90 120 180 240 300 360];
8 V) z* M5 }- a. g0 f) {/ H9 A[t x] = ode45(@KineticEqs,tspan,x0,[],k);
* I+ L: h. f& Z- }( Ay(:,2) = x(:,1);4 x- r }& Q* o4 h# {. C
y(:,3:6) = x(:,2:5);
/ ]6 `2 _. U7 a" }f = sum((y(:,2)-yexp(:,2)).^2) + sum((y(:,3)-yexp(:,3)).^2) ...% `8 }( W; H* q7 O& p# K
+ sum((y(:,4)-yexp(:,4)).^2) + sum((y(:,5)-yexp(:,5)).^2) ...* g7 `- V/ d. C) I; A
+ sum((y(:,6)-yexp(:,6)).^2) ;
+ h# h& X; o' M& J: Y' Q! F Z: I# @. j$ y: u' d
& H9 R' U& V* s. e u- i
5 n0 Y7 u' b. ?% `
0 x6 A! n. o% ^# g' [% `" w$ Hfunction dxdt = KineticEqs(t,x,k)
N+ F4 G3 W* m: p- k8 y! cdGldt = k(1)*x(2)-(k(2)+k(3)+k(8))*x(1);$ M6 _% b, c% N1 J" M
dFrdt = k(2)*x(1)-(k(1)+k(4)+k(5)+k(9))*x(2);
) u3 e/ C' V% @. BdFadt = k(3)*x(1)+k(5)*x(2)+(k(6)+k(7))*x(5);
' P- y0 C6 y% [4 I! T( ~dLadt = k(7)*x(5);7 m5 u( b# C) w+ g
dHmdt = k(4)*x(2)-(k(6)+k(7)+k(10))*x(5);. O" Z/ k, Y5 V% Q- Y* j, W# l
dxdt = [dGldt; dFrdt; dFadt; dLadt; dHmdt];
9 ~$ M) x+ t# W) x
9 ^5 }8 ?: X8 H( Y% K2 }# E7 R9 y& @6 J9 B
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