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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
: ` u f8 Y5 {8 r4 a: h0 I% k1->k-1,k2->k1,k3->k2,k4->k3,k5->k4
4 b0 [& ^0 k3 T/ |4 |, J% k6->k6 k7->k7$ Y8 Y2 C: i7 C) @4 ?0 C+ x( M
% dGlcdt = k-1*C(Fru)-(k1+k2)*C(Glc);8 l" M6 @3 X( \+ f$ ?! Q
% dFrudt = k1*C(Glc)-(k-1+k3+k4)C(Fru);
+ k# q6 q: k1 k; z* l% dFadt = k(2)*C(Glc)+k4*C(Fru)+(k6+k7)*C(Hmf);6 J; l" T8 ]" R1 P
% dLadt = k(7)*C(Hmf);2 K$ Q6 f j# @: n9 C1 J! L
%dHmfdt = k(3)*C(Fru)-(k6+k7)*C(Hmf);3 W7 p S; n2 _2 C' \- [
clear all) m9 A y+ K9 Y! s7 O* |& z* b
clc
i% \% l2 a4 D: f# @, K' oformat long4 G. {+ j2 |" U
% t/min Glc Fru Fa La HMF/ mol/L 4 P: {- W, R. D+ Z
Kinetics=[0 0.25 0 0 0 0( r0 H) Y* H7 [: D. ~6 k( [
15 0.2319 0.01257 0.0048 0 2.50E-04
/ o( X) j1 c. R5 ` 30 0.19345 0.027 0.00868 0 7.00E-045 x9 e+ ]' a; O
45 0.15105 0.06975 0.02473 0 0.0033/ T Y8 y& f& {
60 0.13763 0.07397 0.02615 0 0.00428
$ p6 j+ o3 J) R+ y% _/ m; ^ 90 0.08115 0.07877 0.07485 0 0.01405
0 U, @7 V9 H, N; V( ^. S 120 0.0656 0.07397 0.07885 0.00573 0.02143
0 A8 Z' X7 ]5 t5 _2 { 180 0.04488 0.0682 0.07135 0.0091 0.03623
4 f" O+ |) _9 g' O2 t5 ]6 b- J2 ^ S 240 0.03653 0.06488 0.08945 0.01828 0.05452
1 @: ]3 j4 Y3 a 300 0.02738 0.05448 0.09098 0.0227 0.0597
$ c! Q) C# ]- m! r: } 360 0.01855 0.04125 0.09363 0.0239 0.06495];, j0 n7 B( E& Z
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8 j6 @2 f2 s' i6 p
lb = [0 0 0 0 0 0 0 0 0 0]; % 参数下限
4 e3 o) [' H+ u0 yub = [1 1 1 1 1 1 1 1 1 1]; % 参数上限
4 h. t( ]6 i3 Q; t4 B7 b6 Rx0 = [0.25 0 0 0 0];
7 @% y- f G5 p+ ^yexp = Kinetics; % yexp: 实验数据[x1 x4 x5 x6]
- R8 [5 Q7 A* W% warning off9 l9 R2 y% k" k
% 使用函数 ()进行参数估计
+ t/ ~8 ~' n+ w: t4 Q7 s[k,fval,flag] = fmincon(@ObjFunc7Fmincon,k0,[],[],[],[],lb,ub,[],[],x0,yexp);. H7 {; _) o w4 ~( {; B+ S& U* e' t3 [
fprintf('\n使用函数fmincon()估计得到的参数值为:\n')+ }* r4 p* H9 T/ D: P1 a8 {, n; q
fprintf('\tk1 = %.11f\n',k(1))# N( Y5 z1 X* `% D: ~4 z2 B6 l
fprintf('\tk2 = %.11f\n',k(2))
( n- Z9 h+ v5 t/ }fprintf('\tk3 = %.11f\n',k(3))
* h% x9 v$ ?& W+ s$ Jfprintf('\tk4 = %.11f\n',k(4)); w. w. ~$ J' p5 J" C
fprintf('\tk5 = %.11f\n',k(5))
! x% B% b3 {+ c u9 w: N! ifprintf('\tk6 = %.11f\n',k(6))! t- w5 }# L0 d' l; |- s( k9 `; F
fprintf('\tk7 = %.11f\n',k(7))
; I# G% A9 ?( b/ n! r# k" D- Ffprintf('\tk8 = %.11f\n',k(8))
- D( ?+ I2 t, Vfprintf('\tk9 = %.11f\n',k(9)), c X: U/ f; ^- h
fprintf('\tk10 = %.11f\n',k(10))! L( a! q3 j8 U8 K
fprintf(' The sum of the squares is: %.1e\n\n',fval)* }6 C3 e6 i h& X: p
k_fm= k;: `) ~! y) N2 y7 A$ m
% warning off' _0 b' e) G- m8 m. u1 g& i& n
% 使用函数lsqnonlin()进行参数估计
5 O- K: a3 K( F) K[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
# Q: n* T0 `) [& t k lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp); / K2 [' s: n2 P/ y( F9 ~
ci = nlparci(k,residual,jacobian);- c) m4 G- L7 X
fprintf('\n\n使用函数lsqnonlin()估计得到的参数值为:\n')
$ e: c* h& _2 T' r/ wfprintf('\tk1 = %.11f\n',k(1))* m) ]7 d2 K) k6 P! t
fprintf('\tk2 = %.11f\n',k(2))4 C/ u- t9 k4 W- z" o
fprintf('\tk3 = %.11f\n',k(3))
3 n' Y+ U7 O' Lfprintf('\tk4 = %.11f\n',k(4))
* U' K. ^8 B2 V: O5 p! K/ I& Tfprintf('\tk5 = %.11f\n',k(5))* x7 n+ H8 f+ F+ S) I1 T2 J0 I( r
fprintf('\tk6 = %.11f\n',k(6))
$ w5 j! s: t# L1 r' s- i, {7 Zfprintf('\tk7 = %.11f\n',k(7)). P. k8 }8 v; Q/ f
fprintf('\tk8 = %.11f\n',k(8))
9 V3 s* j" a4 P4 cfprintf('\tk9 = %.11f\n',k(9))
* k9 ?- [8 I# k" M: l+ ?: `* afprintf('\tk10 = %.11f\n',k(10))
5 B) Y- `* z! u1 `$ mfprintf(' The sum of the squares is: %.1e\n\n',resnorm)
2 T' H# }6 Q5 ] e6 S" P" `k_ls = k;; ~! v' b0 q# m5 \7 q. F, z
output$ e1 Y; h7 |' J/ {
warning off( D* S: W/ H6 o7 ^
% 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/ {+ u' T& M' E7 o. a
k0 = k_fm;
' K: o& k6 K( L: u5 ~) C2 A[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
5 [" @% B+ K5 [' L) ~) H lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);
4 }% ~: r& D( b f: tci = nlparci(k,residual,jacobian);
0 h% K. g& J) [' n8 b: V8 A7 N+ Ifprintf('\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')0 d3 V. V6 @5 P0 G1 T, p; [+ }
fprintf('\tk1 = %.11f\n',k(1))7 b5 L# D+ v/ }, `6 e/ l
fprintf('\tk2 = %.11f\n',k(2))8 G, U4 t! n# A9 Y: b o6 H" D$ C
fprintf('\tk3 = %.11f\n',k(3))* k9 q& N3 M, U* C( A
fprintf('\tk4 = %.11f\n',k(4))' s( Z! a _6 y- W" j1 |& L
fprintf('\tk5 = %.11f\n',k(5)) g& p- B7 W: _7 X9 F2 n3 ~5 m
fprintf('\tk6 = %.11f\n',k(6))+ x( X! p; [' Z( X( {# S' V
fprintf('\tk7 = %.11f\n',k(7))
* c$ K5 f+ ]. x4 D: ]7 S: Yfprintf('\tk8 = %.11f\n',k(8))# c) S, N/ L! G% K
fprintf('\tk9 = %.11f\n',k(9))
) f" b0 R6 F6 Y- Yfprintf('\tk10 = %.11f\n',k(10))
' M4 z! _, a- V: X5 p tfprintf(' The sum of the squares is: %.1e\n\n',resnorm)2 a) Y# d! j" q& Q5 o8 Z
k_fmls = k;: I( e& c* F6 d9 O4 x0 g) z
output ^. Y% w2 J3 ^$ R, S9 q
tspan = [0 15 30 45 60 90 120 180 240 300 360];# S: _5 \3 X+ R+ l4 V: U
[t x] = ode45(@KineticEqs,tspan,x0,[],k_fmls);
( g" w, Y9 n' Ofigure;
6 W& t) I( o F- }& Oplot(t,x(:,1),t,yexp(:,2),'*');legend('Glc-pr','Glc-real')
" b1 O* A5 S$ [7 n+ w/ `2 mfigure;plot(t,x(:,2:5));& Z8 L% B( v) H/ r; P
p=x(:,1:5)
/ D5 {( B. I, p) z; m0 g" Nhold on' m3 j/ e8 Z6 h2 k
plot(t,yexp(:,3:6),'o');legend('Fru-pr','Fa-pr','La-pr','HMF-pr','Fru-real','Fa-real','La-real','HMF-real')3 \/ t, J7 \7 }& P! f% b
$ z9 D) h2 J! k, S6 `$ z7 S9 ~- q! p
0 }/ B- g: a+ p) g8 ]6 d4 U: H ]2 s+ Y% T3 p* i4 e6 C
function f = ObjFunc7LNL(k,x0,yexp)- I" k) {+ L) S
tspan = [0 15 30 45 60 90 120 180 240 300 360]; |, [, v/ ?7 x8 S0 v% h4 P& p
[t, x] = ode45(@KineticEqs,tspan,x0,[],k);
4 @2 x9 J$ J$ @6 u; f9 t. By(:,2) = x(:,1);
6 |& u' `8 G& c: T" f; E/ Gy(:,3:6) = x(:,2:5);5 f& W9 R8 |( b1 \9 h
f1 = y(:,2) - yexp(:,2);. ?5 u4 @$ q! J2 h7 T1 D" G' b
f2 = y(:,3) - yexp(:,3); Z' ^1 P x; \" b# _& ~2 i
f3 = y(:,4) - yexp(:,4);
# @: j& f9 [* [2 e. rf4 = y(:,5) - yexp(:,5);
1 D+ \% D/ l& N6 _3 K) Kf5 = y(:,6) - yexp(:,6);0 B0 ^5 I) B* o I2 @. k" g. j
f = [f1; f2; f3; f4; f5];# R' J4 Q4 i0 T. C0 f+ k
0 ~8 o/ g8 _: F: f% g) C
* U% E l6 ?5 a6 G* a1 T
5 C7 I0 x8 H9 f x* [- ~) cfunction f = ObjFunc7Fmincon(k,x0,yexp)" n6 w0 f& Q. E8 `6 T
tspan = [0 15 30 45 60 90 120 180 240 300 360];
3 v# c: q& n$ [' y1 f[t x] = ode45(@KineticEqs,tspan,x0,[],k);
# g# k. Z3 m2 Ly(:,2) = x(:,1);& A2 ~$ @& d/ w, d3 E5 b+ F
y(:,3:6) = x(:,2:5);
v9 g8 C4 ~! w1 wf = sum((y(:,2)-yexp(:,2)).^2) + sum((y(:,3)-yexp(:,3)).^2) ..., U! P# L$ \* a. h
+ sum((y(:,4)-yexp(:,4)).^2) + sum((y(:,5)-yexp(:,5)).^2) ...
) F1 ~- c! h4 V1 t9 O + sum((y(:,6)-yexp(:,6)).^2) ;2 V* l: w: U. |, h$ `3 O
7 J/ u; X- t/ F' t, L. u( o
! M/ [& v# Q/ ]2 o& f9 ?% a" d+ E' [0 U9 w, f
) e. | C7 s+ F @! g1 Ofunction dxdt = KineticEqs(t,x,k)
" p r. l# C, a, u1 K& VdGldt = k(1)*x(2)-(k(2)+k(3)+k(8))*x(1);
: b* Q2 C# n) l' Y0 S& B) UdFrdt = k(2)*x(1)-(k(1)+k(4)+k(5)+k(9))*x(2);- B- Z6 H5 `0 S; M: m
dFadt = k(3)*x(1)+k(5)*x(2)+(k(6)+k(7))*x(5);
% t5 g7 l5 U3 T6 Z; GdLadt = k(7)*x(5);
z. \3 H& Y4 a: l# }0 [dHmdt = k(4)*x(2)-(k(6)+k(7)+k(10))*x(5);
( r h. ?/ E0 S* K% X6 c7 O6 qdxdt = [dGldt; dFrdt; dFadt; dLadt; dHmdt];7 B5 P: J& a# a h/ h
9 M' q" Y+ ^1 o* e/ X2 C! G& T
0 y( o4 K' J# b6 b0 K/ `
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Glc.zip
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