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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# R; u- ~' n( Z# r! n
% k1->k-1,k2->k1,k3->k2,k4->k3,k5->k4- j7 S& l7 _% e
% k6->k6 k7->k7
- E- Y3 W6 p. ^! U8 [3 N7 }% dGlcdt = k-1*C(Fru)-(k1+k2)*C(Glc);
" }, r. [+ H% h0 w% dFrudt = k1*C(Glc)-(k-1+k3+k4)C(Fru);. F% j& k% u3 ^% G
% dFadt = k(2)*C(Glc)+k4*C(Fru)+(k6+k7)*C(Hmf); P3 d3 x/ {& f! ?6 }( X7 [( m: n
% dLadt = k(7)*C(Hmf);& n1 K! C! p1 q7 N9 r$ @, J% h
%dHmfdt = k(3)*C(Fru)-(k6+k7)*C(Hmf); M* @: t% f- I5 d
clear all
4 g' x+ Y8 l6 y6 o; z4 ~clc# `4 ^. p* k: s3 B. x8 }( W
format long' L% [' Z) o2 ^
% t/min Glc Fru Fa La HMF/ mol/L 3 e, ]: u$ r" V) i1 ^& I
Kinetics=[0 0.25 0 0 0 0
$ D+ n- z4 Z) x2 M, j7 N2 m3 Q 15 0.2319 0.01257 0.0048 0 2.50E-045 i3 U- b: G6 B8 u9 f" ~7 X- ^
30 0.19345 0.027 0.00868 0 7.00E-04& i+ A0 X1 T" [- e
45 0.15105 0.06975 0.02473 0 0.0033
" r. R8 M ~% N 60 0.13763 0.07397 0.02615 0 0.00428
" H6 X' \3 z/ u5 K 90 0.08115 0.07877 0.07485 0 0.01405! [2 D# p- A1 x) k& G2 N) `
120 0.0656 0.07397 0.07885 0.00573 0.02143
+ N2 U4 [+ L0 {/ u! U j 180 0.04488 0.0682 0.07135 0.0091 0.03623: |5 D0 B b4 c, e% [5 \, P
240 0.03653 0.06488 0.08945 0.01828 0.05452
' d4 L0 n$ T) f$ k 300 0.02738 0.05448 0.09098 0.0227 0.0597
9 b) s6 S- l7 l# z3 W, i p 360 0.01855 0.04125 0.09363 0.0239 0.06495];
; u8 I* k* Y9 u$ z" r; 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
v3 P5 Q! l1 Q0 m/ Q: Clb = [0 0 0 0 0 0 0 0 0 0]; % 参数下限1 R1 v8 a/ O7 J+ Q/ s
ub = [1 1 1 1 1 1 1 1 1 1]; % 参数上限
, F. l' K2 v/ `7 j% N5 b% }% Ox0 = [0.25 0 0 0 0];
* M* j8 E2 [: M x" r% ]& Ryexp = Kinetics; % yexp: 实验数据[x1 x4 x5 x6]. k m; @6 e8 H& c
% warning off( J; z; Y3 {2 x& ?( x: d
% 使用函数 ()进行参数估计8 E: t) ~& F( C. M1 n j) J
[k,fval,flag] = fmincon(@ObjFunc7Fmincon,k0,[],[],[],[],lb,ub,[],[],x0,yexp);# V4 U( S1 @8 U. Z6 L- k0 t
fprintf('\n使用函数fmincon()估计得到的参数值为:\n')
- b: l. u* R- v0 x4 u4 S, @fprintf('\tk1 = %.11f\n',k(1))3 P- W2 V0 Q* q! \
fprintf('\tk2 = %.11f\n',k(2))% s9 N, G- s; Y
fprintf('\tk3 = %.11f\n',k(3))
4 d; `8 t: y9 n2 d, N8 P7 gfprintf('\tk4 = %.11f\n',k(4))
2 D4 D- g* D, V; ]1 \' `fprintf('\tk5 = %.11f\n',k(5))
3 z, `7 `, R# e5 h' `3 Tfprintf('\tk6 = %.11f\n',k(6))+ i6 j/ Y+ C: E$ C2 R1 e F
fprintf('\tk7 = %.11f\n',k(7))
5 H6 g/ g6 s& ?fprintf('\tk8 = %.11f\n',k(8))
9 K x! O$ D( z6 P" Nfprintf('\tk9 = %.11f\n',k(9))
- {% X, B# ?# Qfprintf('\tk10 = %.11f\n',k(10))& n0 b/ {. f) l: X; t: h
fprintf(' The sum of the squares is: %.1e\n\n',fval)& j A3 p4 @ n% j
k_fm= k;2 ~: {; B! O( } ~
% warning off, t" K- E3 v# g0 D: i
% 使用函数lsqnonlin()进行参数估计$ {7 l3 ^- h# Z0 X
[k,resnorm,residual,exitflag,output,lambda,jacobian] = .../ Q* n" x% x# K4 x Q. T, I4 W/ O
lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);
$ k" B% M5 S# |ci = nlparci(k,residual,jacobian); d( z) _7 q2 |% h, C$ Y2 @8 w
fprintf('\n\n使用函数lsqnonlin()估计得到的参数值为:\n')/ P9 o2 D6 V' b
fprintf('\tk1 = %.11f\n',k(1))% m3 {! A5 V* p& v% i- e
fprintf('\tk2 = %.11f\n',k(2))
I* {; k0 ^3 t4 W% \3 x! n) o; T- @fprintf('\tk3 = %.11f\n',k(3))
: \' p t, {; q, F6 Lfprintf('\tk4 = %.11f\n',k(4))
3 h$ ]& }* m0 x; qfprintf('\tk5 = %.11f\n',k(5)); e' t, j: x2 U' f! L
fprintf('\tk6 = %.11f\n',k(6))
: C% k, z) T7 n# mfprintf('\tk7 = %.11f\n',k(7))
# a, n: d0 O z5 M: j$ z) o [fprintf('\tk8 = %.11f\n',k(8))( a% T, d% J* B- e; X9 l
fprintf('\tk9 = %.11f\n',k(9))
; Z4 w; i% k2 D& W- v: J8 f% W4 Z1 }fprintf('\tk10 = %.11f\n',k(10))
' G; Y2 q3 D/ Q" gfprintf(' The sum of the squares is: %.1e\n\n',resnorm)
+ W- w/ I! Y3 m* dk_ls = k;
1 A3 g1 p' A2 y+ z! k. y% ^output
$ S6 u9 ~/ S* [5 V+ \' b1 ewarning off$ M+ P! d) m0 @. V) i0 K3 ~( M
% 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
; a, ?' b, c- O4 v5 R8 \' Bk0 = k_fm;
% T! q% i/ a! A- y. x' @[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
) Q& `9 a$ m* h$ w% W lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp); % s4 W/ j( O- m) z5 t3 b% r$ J
ci = nlparci(k,residual,jacobian);8 o0 Q. @6 _% d& P6 |- J& q b; a
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')9 X R- e* T7 Y2 i
fprintf('\tk1 = %.11f\n',k(1))
, A- p/ o0 a. F( M( d* ]( {fprintf('\tk2 = %.11f\n',k(2))
* u+ Y- I4 c2 |9 efprintf('\tk3 = %.11f\n',k(3))% Z3 m5 q A; f9 ^
fprintf('\tk4 = %.11f\n',k(4))/ E& q% G, c$ R! [ n
fprintf('\tk5 = %.11f\n',k(5))
2 t6 o! y( L7 _/ x: Afprintf('\tk6 = %.11f\n',k(6))
* u2 D& K% ]6 J* w2 x2 z: xfprintf('\tk7 = %.11f\n',k(7))/ W0 ]$ }& m6 M+ E& }
fprintf('\tk8 = %.11f\n',k(8))
6 W0 Q3 d1 [0 W( Mfprintf('\tk9 = %.11f\n',k(9))
, m$ s8 i' w6 a+ b' [fprintf('\tk10 = %.11f\n',k(10))
5 @$ @: \0 m. X/ b$ Rfprintf(' The sum of the squares is: %.1e\n\n',resnorm)
* ?0 C# a- G# _+ Vk_fmls = k;
* m9 @* x3 l% I; eoutput
* L4 C! v, n7 F* h! ntspan = [0 15 30 45 60 90 120 180 240 300 360];- r$ H! I7 M- r! ^; i% E. ]
[t x] = ode45(@KineticEqs,tspan,x0,[],k_fmls);
/ Q0 ]7 `& Z5 B6 r+ _; ifigure;6 c. F$ g4 U* ^$ P
plot(t,x(:,1),t,yexp(:,2),'*');legend('Glc-pr','Glc-real'): c" ^& T, s( e
figure;plot(t,x(:,2:5));
5 A8 A/ u6 a3 D$ |p=x(:,1:5)
, o7 O$ H2 J( T1 mhold on* V+ R7 D. q! U. J/ K7 N- I7 b+ d4 P
plot(t,yexp(:,3:6),'o');legend('Fru-pr','Fa-pr','La-pr','HMF-pr','Fru-real','Fa-real','La-real','HMF-real')) x) N5 i- _: f6 \ V
6 J) Q8 \& P) d& S. L [
+ o! R% ]* Q& j4 }4 w
7 c6 _% b1 g, q5 [7 Pfunction f = ObjFunc7LNL(k,x0,yexp)2 ?& L* w( e0 }9 t6 F
tspan = [0 15 30 45 60 90 120 180 240 300 360];
: h( k0 N2 O/ o& f% L" G[t, x] = ode45(@KineticEqs,tspan,x0,[],k); . v! h1 `7 |2 P" K" L6 K% Y
y(:,2) = x(:,1);
6 P: w6 l' ^/ W; q4 R! H" Qy(:,3:6) = x(:,2:5);- a3 N* X% _- T; c8 A% x2 F. j3 }
f1 = y(:,2) - yexp(:,2);
: c3 L. w# P1 m. R, |* d: gf2 = y(:,3) - yexp(:,3);
% V% }6 W7 @; w3 x% Z) {( O- Tf3 = y(:,4) - yexp(:,4);+ ?' i0 |7 f0 e/ [3 R
f4 = y(:,5) - yexp(:,5);1 F5 S1 }$ O; C/ q+ b2 U: T
f5 = y(:,6) - yexp(:,6);+ f: A4 ^5 M5 z
f = [f1; f2; f3; f4; f5];- I- W( O1 E% ^+ ^* J9 n: T; D
$ E* J8 t" ~( [* U' @( d. C8 ~% h; b3 t- p" j
6 {8 }' O c% M) Efunction f = ObjFunc7Fmincon(k,x0,yexp)
$ k8 b4 R, j. h$ v3 Xtspan = [0 15 30 45 60 90 120 180 240 300 360]; }- `6 C/ M7 P$ k
[t x] = ode45(@KineticEqs,tspan,x0,[],k); # |7 |. [" Y; @* P- E
y(:,2) = x(:,1);3 g, {. @$ E& t
y(:,3:6) = x(:,2:5);' y# L# u, m# E3 ]! K/ J
f = sum((y(:,2)-yexp(:,2)).^2) + sum((y(:,3)-yexp(:,3)).^2) ...
_) m- ~3 Q- t1 s6 @. m% [ + sum((y(:,4)-yexp(:,4)).^2) + sum((y(:,5)-yexp(:,5)).^2) ...
6 q% b( S7 X' p1 C + sum((y(:,6)-yexp(:,6)).^2) ;9 T' s1 {. p- G F5 U0 A
- _% T( y- O/ h A
4 t8 ^; @ z6 j {3 h+ H! b# ?
( P) w. k3 j+ r; ^
8 n9 ]# v* y1 C9 _ q" C C5 \( Dfunction dxdt = KineticEqs(t,x,k)
- r5 w# X( }2 N- V3 |dGldt = k(1)*x(2)-(k(2)+k(3)+k(8))*x(1);
5 d- O& T$ w& J+ ]2 b3 l; AdFrdt = k(2)*x(1)-(k(1)+k(4)+k(5)+k(9))*x(2);
. g7 }8 h Z7 s6 @* U3 \- N8 O8 A1 @dFadt = k(3)*x(1)+k(5)*x(2)+(k(6)+k(7))*x(5);, g7 ]' {; k& @8 j' [. r
dLadt = k(7)*x(5);
- u s. u) W) {) L% d4 ~dHmdt = k(4)*x(2)-(k(6)+k(7)+k(10))*x(5);4 ~! }7 f* h" {$ p
dxdt = [dGldt; dFrdt; dFadt; dLadt; dHmdt];
, k$ |# S" L+ l, s. @6 A
4 B1 ?$ ]: c9 ?) M- b9 a2 h6 \; m
2 T1 K4 |* L1 L( k+ i4 M |
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