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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 parafit7 F4 L. S0 _% h$ M4 V0 ^0 C
% k1->k-1,k2->k1,k3->k2,k4->k3,k5->k4
' I1 L' \" I' P" B* h! Z% k6->k6 k7->k72 ~. e) {, Z* Q
% dGlcdt = k-1*C(Fru)-(k1+k2)*C(Glc);
! w0 ^+ s* M' M% dFrudt = k1*C(Glc)-(k-1+k3+k4)C(Fru);
y' D4 \* N( M! M) ?: }" O/ [% dFadt = k(2)*C(Glc)+k4*C(Fru)+(k6+k7)*C(Hmf);7 M3 W, W. H1 i, u! d
% dLadt = k(7)*C(Hmf);
5 f) T" Y a5 F- u- U) X# ~% O%dHmfdt = k(3)*C(Fru)-(k6+k7)*C(Hmf);
" D5 ~, E5 P* i& b+ \$ lclear all
7 U8 W* w3 _$ t' D' x- K1 O6 D2 w: lclc
/ J) @" w: V% G- ]format long
( {( B/ X- @, ?% j- [% t/min Glc Fru Fa La HMF/ mol/L
, I% _! A/ E( M7 ]2 i8 V# n Kinetics=[0 0.25 0 0 0 0
+ C! I$ ^* ?* `; M2 A 15 0.2319 0.01257 0.0048 0 2.50E-04) a/ I' w8 t3 y- T( r! w8 A1 N
30 0.19345 0.027 0.00868 0 7.00E-04
7 u4 R( ], H* \. q4 O7 M 45 0.15105 0.06975 0.02473 0 0.0033
; t% K& a9 y z! b# `- o0 D 60 0.13763 0.07397 0.02615 0 0.004286 N7 N' o, O! C7 C, S; t! \: t
90 0.08115 0.07877 0.07485 0 0.01405
: ~$ a9 _. ?/ T; n, b. d8 g 120 0.0656 0.07397 0.07885 0.00573 0.02143
6 m/ ]' [3 o1 H+ L# o; O# h) |- J1 m 180 0.04488 0.0682 0.07135 0.0091 0.036238 b- d) { M6 S! P/ h% J
240 0.03653 0.06488 0.08945 0.01828 0.05452
7 D; h( J/ Y$ a) `( M2 v# ] 300 0.02738 0.05448 0.09098 0.0227 0.0597
& Y8 q: H) p7 Z& r6 y' I @ 360 0.01855 0.04125 0.09363 0.0239 0.06495];
2 r7 M5 B3 K9 ]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
" F* I2 p2 X6 z; a4 X1 o" ^lb = [0 0 0 0 0 0 0 0 0 0]; % 参数下限& @* @9 T: a& U1 i% J( d% K
ub = [1 1 1 1 1 1 1 1 1 1]; % 参数上限
' H9 J- x4 X# v/ b7 l( N5 mx0 = [0.25 0 0 0 0];
$ q8 E: N8 y- |3 \# ]7 x9 ]& l/ E; h9 Xyexp = Kinetics; % yexp: 实验数据[x1 x4 x5 x6]
) k* b; n, ]& ~( X) B) W+ H% warning off. S& e# L: B; R& e
% 使用函数 ()进行参数估计 h6 N ~9 T" t& f% G9 o1 T
[k,fval,flag] = fmincon(@ObjFunc7Fmincon,k0,[],[],[],[],lb,ub,[],[],x0,yexp);
6 ~+ E; |, K2 k" p: U$ h7 Dfprintf('\n使用函数fmincon()估计得到的参数值为:\n')
* o0 K, R4 z2 p6 W% V$ X/ @8 A) Nfprintf('\tk1 = %.11f\n',k(1))! w2 Y( y) s2 g0 s# _
fprintf('\tk2 = %.11f\n',k(2))
- G* e( e! ]8 M8 [0 M5 wfprintf('\tk3 = %.11f\n',k(3))& t q2 j, N- l) C" v* G, K; H
fprintf('\tk4 = %.11f\n',k(4))
x: p0 I5 C2 V) m9 C0 q- {: Cfprintf('\tk5 = %.11f\n',k(5))
* H% O' E+ K! d7 e- Dfprintf('\tk6 = %.11f\n',k(6))
2 _" q: V, x kfprintf('\tk7 = %.11f\n',k(7))
0 I5 _7 z& K" d6 mfprintf('\tk8 = %.11f\n',k(8)) `% D0 l0 s: P3 M4 A) t
fprintf('\tk9 = %.11f\n',k(9))
3 d: R" V O4 J/ ?fprintf('\tk10 = %.11f\n',k(10))) w; t& P$ F' a1 k1 K0 ?
fprintf(' The sum of the squares is: %.1e\n\n',fval)
( Z2 o# t4 v% A0 jk_fm= k;5 q O/ r; w% j9 w0 X) W+ _( E
% warning off
1 b+ b( _% ?4 C7 @6 j% 使用函数lsqnonlin()进行参数估计
0 }# I1 y3 J, Q' ]& a0 D[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...3 E" k% k+ D3 W1 I
lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp); : m4 [0 b9 t% r* |4 s
ci = nlparci(k,residual,jacobian);
) o- q0 Q: b/ |, r; @fprintf('\n\n使用函数lsqnonlin()估计得到的参数值为:\n')3 j$ ]7 s* I, B2 N/ M9 Q J3 A
fprintf('\tk1 = %.11f\n',k(1))3 t. K6 t, f) a
fprintf('\tk2 = %.11f\n',k(2))
9 s: H) n9 t2 G% mfprintf('\tk3 = %.11f\n',k(3))2 t) k' u4 @* s9 T9 O6 g
fprintf('\tk4 = %.11f\n',k(4))
% j6 w# K5 i k9 b# P+ @. Ofprintf('\tk5 = %.11f\n',k(5))0 t# ^- R/ s9 N* z' P, N
fprintf('\tk6 = %.11f\n',k(6))$ t0 T- l4 s! B: v
fprintf('\tk7 = %.11f\n',k(7))+ @+ j( t. \ l4 @
fprintf('\tk8 = %.11f\n',k(8))
5 x: P0 _2 K1 e# Hfprintf('\tk9 = %.11f\n',k(9))
# D o4 e) J+ f- t, wfprintf('\tk10 = %.11f\n',k(10))
. O( f; W& \/ r, h- X/ g3 `fprintf(' The sum of the squares is: %.1e\n\n',resnorm); E0 _6 j6 d% \" w! R1 x
k_ls = k;6 R: W/ w/ S1 H: E/ A4 Y
output+ |# Y7 O% M! F o) _: g; j
warning off, J4 f4 f3 f" c& }7 a6 s; X
% 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
# k& t* x e$ ]: E( U j" Mk0 = k_fm;8 `. H6 g" G j' k
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
: M3 J5 Y. H1 R6 R. U lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp); $ u @+ d$ m5 U9 \! s6 V7 O
ci = nlparci(k,residual,jacobian);
% |/ _( y v: |0 D( ]6 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')# E) L0 d7 Y1 V X
fprintf('\tk1 = %.11f\n',k(1))/ ?5 k/ j& T! L, y {* m' c0 x( w
fprintf('\tk2 = %.11f\n',k(2)), s9 `9 T( t2 F
fprintf('\tk3 = %.11f\n',k(3))
, ^! G) |, R5 D3 mfprintf('\tk4 = %.11f\n',k(4))
3 |/ O, R+ R# h3 c. kfprintf('\tk5 = %.11f\n',k(5))
. l4 D# H8 U1 l7 U! ~fprintf('\tk6 = %.11f\n',k(6))
; p' e$ F6 Y; I L$ B1 ^7 R; Ofprintf('\tk7 = %.11f\n',k(7))
5 \" G5 ]" M, R1 y# Yfprintf('\tk8 = %.11f\n',k(8))0 s2 j; h+ W8 p5 X0 h! P4 ~$ e
fprintf('\tk9 = %.11f\n',k(9))
0 z5 q9 G% I* E# R) {fprintf('\tk10 = %.11f\n',k(10))
( ~ ?: Q8 z6 b$ {! nfprintf(' The sum of the squares is: %.1e\n\n',resnorm)
1 S- I/ X# R# z4 R5 Yk_fmls = k;+ |* S" S7 ?3 e# z/ g" w: B, {0 H8 x
output; |4 ^* G) Q* E9 r: k/ A& s) k% @
tspan = [0 15 30 45 60 90 120 180 240 300 360];* f* Z8 P; u, v9 Z' J
[t x] = ode45(@KineticEqs,tspan,x0,[],k_fmls);
) n' I) E. V" G9 tfigure;! h! I4 E/ d- X' A3 A& P
plot(t,x(:,1),t,yexp(:,2),'*');legend('Glc-pr','Glc-real')2 S( r; W* L/ S) x( ~4 @+ u! v* a
figure;plot(t,x(:,2:5));
+ c) x ?" F& D5 e$ b. jp=x(:,1:5)1 C% i8 l1 V: `7 i0 n* g9 [. s
hold on
E) f4 A# f9 ~4 jplot(t,yexp(:,3:6),'o');legend('Fru-pr','Fa-pr','La-pr','HMF-pr','Fru-real','Fa-real','La-real','HMF-real'): @, x6 R. }% R) R. ~( x9 m
9 X& ~$ m4 I0 O" O2 a
, H( P. ^5 G \" s0 e& \9 d: H
C2 L$ }+ ?* F9 ]7 d# Y* y. Rfunction f = ObjFunc7LNL(k,x0,yexp)
' [; u5 \: t- ?1 Wtspan = [0 15 30 45 60 90 120 180 240 300 360];3 ]" K3 R' [5 b/ E" d" f5 d' O# j
[t, x] = ode45(@KineticEqs,tspan,x0,[],k);
7 T# Y c) n/ o8 H8 ey(:,2) = x(:,1);; E( ]& ]% A: `8 K7 a- d. R
y(:,3:6) = x(:,2:5);# N6 z4 X' o7 \) K
f1 = y(:,2) - yexp(:,2);
6 E9 @. p1 l! }; S; V. bf2 = y(:,3) - yexp(:,3);; y3 X4 E; A- b% B6 z; F
f3 = y(:,4) - yexp(:,4);- ?; J' i1 W9 b! ?+ s, Q
f4 = y(:,5) - yexp(:,5);3 x3 y1 s% f5 l+ L* P
f5 = y(:,6) - yexp(:,6);
' }( ]. g& m6 x: hf = [f1; f2; f3; f4; f5];
( p% a! q% B" S i5 ~% Z- r3 ?! f, q3 L: y7 f8 _+ [
! W7 g' X( y! _9 C
2 G/ o$ N* N: T0 D: J2 A8 M- efunction f = ObjFunc7Fmincon(k,x0,yexp)
# F; {+ ^) J* t4 ytspan = [0 15 30 45 60 90 120 180 240 300 360];
4 k( x5 B" V, O& i. F, `7 r- D* w[t x] = ode45(@KineticEqs,tspan,x0,[],k);
& r; w( a- d: p, n0 h) N& S+ yy(:,2) = x(:,1);
1 N* M6 l# I' @y(:,3:6) = x(:,2:5);
- H0 e# E! U. e1 f- }f = sum((y(:,2)-yexp(:,2)).^2) + sum((y(:,3)-yexp(:,3)).^2) ...
) z' M5 m' U5 B% s + sum((y(:,4)-yexp(:,4)).^2) + sum((y(:,5)-yexp(:,5)).^2) ...
/ _$ k- f/ t4 E0 X* l# u* b" d. W8 v. ]# b + sum((y(:,6)-yexp(:,6)).^2) ;! F) o& B; j# s! a( W/ n' ?4 S
# S, f* r' n2 g& Q: L& K; R0 H P1 [- G" b+ }! ?' s
4 @0 G/ t5 `, \
6 J7 i& Q3 |8 Z( Cfunction dxdt = KineticEqs(t,x,k)
4 ~5 `+ g' E! TdGldt = k(1)*x(2)-(k(2)+k(3)+k(8))*x(1);
$ K6 P5 J" q K! wdFrdt = k(2)*x(1)-(k(1)+k(4)+k(5)+k(9))*x(2);4 W# r* B) {; P2 o) Q
dFadt = k(3)*x(1)+k(5)*x(2)+(k(6)+k(7))*x(5);
" P: m: A7 i9 ^0 \dLadt = k(7)*x(5);
6 O" }+ P+ w. v/ X3 A! L) ZdHmdt = k(4)*x(2)-(k(6)+k(7)+k(10))*x(5);
2 y$ I8 j# j. ?* T4 _. `dxdt = [dGldt; dFrdt; dFadt; dLadt; dHmdt];! T. p0 W' h; ]; q( I0 g
' \8 F. P% j: n5 z/ v0 w0 Z( \% A- F( n' W% W' o$ Q# q
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