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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
6 c9 X& K. S5 ^8 G9 W$ V" ?% k1->k-1,k2->k1,k3->k2,k4->k3,k5->k4$ {- [4 d* ~% _9 c2 z7 ^ [& k
% k6->k6 k7->k7$ }" C4 ~/ C" [' u" z! |
% dGlcdt = k-1*C(Fru)-(k1+k2)*C(Glc);1 Y8 U3 X' [ _5 s2 X
% dFrudt = k1*C(Glc)-(k-1+k3+k4)C(Fru);
9 ~* n& t, D/ x9 G. Y4 j% dFadt = k(2)*C(Glc)+k4*C(Fru)+(k6+k7)*C(Hmf);4 j5 k, U( Y9 _' [/ n6 a6 H
% dLadt = k(7)*C(Hmf);
8 ]* x2 l, p z%dHmfdt = k(3)*C(Fru)-(k6+k7)*C(Hmf);
% j! P+ r, V4 o0 t/ z9 U* {( p4 iclear all3 x5 f* I( k; P) d: I
clc
7 T. L: E3 J8 m1 H- |$ Jformat long5 O) s# f# ?% G, F7 g; D
% t/min Glc Fru Fa La HMF/ mol/L 3 ?! k7 d) I1 B
Kinetics=[0 0.25 0 0 0 0; F8 _6 i! V; Z+ Y/ g; r4 s! G
15 0.2319 0.01257 0.0048 0 2.50E-04
7 r, P- F3 T8 Z5 m 30 0.19345 0.027 0.00868 0 7.00E-04
, q6 O: h7 ?' P. h( L5 c% { 45 0.15105 0.06975 0.02473 0 0.0033
# X5 f, i/ X; c; k6 V4 T% P2 { 60 0.13763 0.07397 0.02615 0 0.00428& P F' c' N8 Z
90 0.08115 0.07877 0.07485 0 0.01405
" i0 ]3 u/ Y7 a7 _* G# d+ A 120 0.0656 0.07397 0.07885 0.00573 0.021439 ^( R3 E# M5 n3 A* ~/ R
180 0.04488 0.0682 0.07135 0.0091 0.03623
, l" Z$ K/ g: G 240 0.03653 0.06488 0.08945 0.01828 0.054528 ~. E7 [" M, s3 u) E
300 0.02738 0.05448 0.09098 0.0227 0.0597
7 n, R7 {6 D& R a2 r 360 0.01855 0.04125 0.09363 0.0239 0.06495];
: A! s1 _( H: S( ak0 = [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 c. |" p' \: n e# T, L
lb = [0 0 0 0 0 0 0 0 0 0]; % 参数下限
5 _$ |, Y/ r0 m: q S4 @ub = [1 1 1 1 1 1 1 1 1 1]; % 参数上限
# [9 w2 f V4 s- _/ G# Mx0 = [0.25 0 0 0 0];9 D' d- W* J8 T: N3 Y; v' U; t( x
yexp = Kinetics; % yexp: 实验数据[x1 x4 x5 x6]! k4 _8 x3 f; o6 v" Z: v) ?- O
% warning off% r e, `; ^+ {: Y; V% {
% 使用函数 ()进行参数估计9 p3 H4 \& l: W' M: U) K. m& T
[k,fval,flag] = fmincon(@ObjFunc7Fmincon,k0,[],[],[],[],lb,ub,[],[],x0,yexp); S+ S* f" j: m: U0 Z
fprintf('\n使用函数fmincon()估计得到的参数值为:\n')
: x9 U5 a3 M' \" i s$ E' D3 yfprintf('\tk1 = %.11f\n',k(1))
( r6 V8 }! Y) t0 l! @/ [3 n% V3 ~/ \4 Pfprintf('\tk2 = %.11f\n',k(2))
+ M1 v% N* n O2 t. Efprintf('\tk3 = %.11f\n',k(3))
5 Y# v3 v0 w6 j' _5 G6 Ffprintf('\tk4 = %.11f\n',k(4))
* f& f. x9 L A! P* Efprintf('\tk5 = %.11f\n',k(5))
9 c+ l8 s% o6 @) c, `! |1 Qfprintf('\tk6 = %.11f\n',k(6))
/ w* n( |4 h* Y0 ~( }$ u9 U, ~# dfprintf('\tk7 = %.11f\n',k(7))* x! O+ X) e$ ^ K* `, K* Z
fprintf('\tk8 = %.11f\n',k(8)). t" f" K% |- c- Z) d
fprintf('\tk9 = %.11f\n',k(9))
% s; P/ L! @1 ^- v, g& J; Pfprintf('\tk10 = %.11f\n',k(10))
1 H4 r( @3 I+ t0 V; o% e* Kfprintf(' The sum of the squares is: %.1e\n\n',fval)
; C/ N7 X6 _0 A) p5 Nk_fm= k;+ M" I! C1 q: c- y/ v2 M# P$ J4 L
% warning off
( W! Z5 N9 k0 T$ ?1 s3 }8 y% 使用函数lsqnonlin()进行参数估计( Y, }5 L. y( }* `/ R9 P' q
[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...0 O8 m& I# o7 y) f
lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);
3 a6 e Y' m9 { F# Gci = nlparci(k,residual,jacobian);" p2 V1 N2 V5 S: r6 I8 ~0 r3 O7 ^
fprintf('\n\n使用函数lsqnonlin()估计得到的参数值为:\n')
+ n K% f6 w, }6 Hfprintf('\tk1 = %.11f\n',k(1))+ t- a9 w( g1 G* j
fprintf('\tk2 = %.11f\n',k(2))6 ?0 U9 D, o0 t1 Q; @
fprintf('\tk3 = %.11f\n',k(3))3 P8 c1 _/ Q3 H. [% c
fprintf('\tk4 = %.11f\n',k(4))
* J1 |' N1 p% d/ tfprintf('\tk5 = %.11f\n',k(5))( |3 G+ K8 G- v8 w/ ]% V5 Y, D
fprintf('\tk6 = %.11f\n',k(6))
/ [6 ]4 i u9 } e3 e- X0 yfprintf('\tk7 = %.11f\n',k(7))
- \2 h3 V O. s* l: {# Qfprintf('\tk8 = %.11f\n',k(8))
% B# c$ t) y% cfprintf('\tk9 = %.11f\n',k(9))
: f1 J- h9 r/ C7 r8 ~! A' j# w, Nfprintf('\tk10 = %.11f\n',k(10))5 n" n, Z5 V0 W4 f R% _
fprintf(' The sum of the squares is: %.1e\n\n',resnorm)
& Q2 g+ t, k2 v- J3 {5 ]k_ls = k;
1 N' g/ H# S& ?; Youtput
0 J# p+ _" t% d7 F) L' w2 v% f/ Mwarning off S9 b/ w" h) w9 h1 y4 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
: E8 K& R$ u7 j, f0 r3 Yk0 = k_fm;
: S" g, }+ w( S[k,resnorm,residual,exitflag,output,lambda,jacobian] = ...
* a) T2 K, x; ^! k4 g; y Q lsqnonlin(@ObjFunc7LNL,k0,lb,ub,[],x0,yexp);
. x7 ]; s0 x m6 Nci = nlparci(k,residual,jacobian);
$ o! n; u- s5 w0 N4 q0 ~* M9 Sfprintf('\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')- \( v2 W0 S+ A9 ?$ x- ]+ D
fprintf('\tk1 = %.11f\n',k(1))# M5 J3 @) g# N7 r
fprintf('\tk2 = %.11f\n',k(2))! k8 V& u; J9 e8 i2 V% Y
fprintf('\tk3 = %.11f\n',k(3))
' }# G$ c. V$ O; M; c: Ufprintf('\tk4 = %.11f\n',k(4))
7 v l. Y* I9 A' E8 sfprintf('\tk5 = %.11f\n',k(5))
" L# e# A# D; }( B, i" }! ?fprintf('\tk6 = %.11f\n',k(6))
2 `2 T4 _7 |, l6 |fprintf('\tk7 = %.11f\n',k(7))! S, E+ _8 L' E8 b- C I
fprintf('\tk8 = %.11f\n',k(8))+ S$ s6 ~2 W0 |5 x8 V
fprintf('\tk9 = %.11f\n',k(9))
, W5 L0 a! x8 D+ e' l6 _fprintf('\tk10 = %.11f\n',k(10)), U, B8 B9 U# z& @0 R# s
fprintf(' The sum of the squares is: %.1e\n\n',resnorm)
( x' F( W' R1 A2 O3 x6 \; ?8 r0 `3 M' ok_fmls = k;
. V' u. ^$ D7 g$ |2 N. toutput
. i% c5 T7 S8 I4 Q* V; ktspan = [0 15 30 45 60 90 120 180 240 300 360];
! k8 g Q; X/ H& Y: l# F[t x] = ode45(@KineticEqs,tspan,x0,[],k_fmls); ( R( c+ Y- W' [' h
figure;
1 R+ @' n! K$ aplot(t,x(:,1),t,yexp(:,2),'*');legend('Glc-pr','Glc-real')9 v: j' }8 z/ U& [. C! I
figure;plot(t,x(:,2:5));
, d* I+ s5 K' h5 t4 J9 pp=x(:,1:5)% E6 [1 C3 ~; ^) U+ ^/ a, w
hold on
& z0 C P8 E+ r8 Gplot(t,yexp(:,3:6),'o');legend('Fru-pr','Fa-pr','La-pr','HMF-pr','Fru-real','Fa-real','La-real','HMF-real')/ I( E1 d8 s, I! ]
2 S, E3 g- U: p5 h8 E
! S! t" m' ~' Z9 P* D1 K" b7 i3 g% g
4 ^0 V) ~3 G9 s% X) e$ q! Tfunction f = ObjFunc7LNL(k,x0,yexp)- p6 W5 v7 z. G- }( v7 u
tspan = [0 15 30 45 60 90 120 180 240 300 360];/ J' ~$ V$ K# v! X# m8 a
[t, x] = ode45(@KineticEqs,tspan,x0,[],k);
, y3 P1 V5 J6 p* K6 Wy(:,2) = x(:,1);4 \( w% H6 E8 |
y(:,3:6) = x(:,2:5);
: V+ z+ f/ H( tf1 = y(:,2) - yexp(:,2);
8 K3 q4 O: B- [, p6 qf2 = y(:,3) - yexp(:,3);) e2 t& h$ Z9 H/ c2 P8 V
f3 = y(:,4) - yexp(:,4);
/ e2 F* d7 D$ b5 s1 qf4 = y(:,5) - yexp(:,5);! K/ a$ @6 @8 H' R5 E0 C
f5 = y(:,6) - yexp(:,6);
6 v9 q& m* O( |3 n+ S/ Lf = [f1; f2; f3; f4; f5];( a( |1 w) j0 B
8 A; q: c- ^$ a" } S3 U3 C' {0 {; E) b& |# T6 I
1 i4 V( l3 j7 D9 s2 P" ifunction f = ObjFunc7Fmincon(k,x0,yexp)
2 x, P7 j, S: vtspan = [0 15 30 45 60 90 120 180 240 300 360];0 `/ [' G [ }. f4 s/ K. R1 W9 i
[t x] = ode45(@KineticEqs,tspan,x0,[],k);
- M- q4 j+ Q: c/ Dy(:,2) = x(:,1);/ |0 L) N- y% F7 |$ x& d, [
y(:,3:6) = x(:,2:5);
) K' B5 X/ v2 r. o3 q3 xf = sum((y(:,2)-yexp(:,2)).^2) + sum((y(:,3)-yexp(:,3)).^2) ...
9 f0 u* n+ \" ] Q# j + sum((y(:,4)-yexp(:,4)).^2) + sum((y(:,5)-yexp(:,5)).^2) ...
& P. d( T' `7 Z) P m4 p0 z + sum((y(:,6)-yexp(:,6)).^2) ;! g ]$ X8 x+ \% ?9 u) E6 B
6 T9 ~7 s/ `: S6 ?! `; P
$ g- U* u# ]$ d7 s2 C# }
# S. P6 U9 l! y1 v8 }- U
; d' e" `( C0 _function dxdt = KineticEqs(t,x,k)# I' x$ J& }" D8 g; }& U! o% ~* S
dGldt = k(1)*x(2)-(k(2)+k(3)+k(8))*x(1);$ b! w6 M9 Q0 _3 a
dFrdt = k(2)*x(1)-(k(1)+k(4)+k(5)+k(9))*x(2);
( L; L( }9 c' wdFadt = k(3)*x(1)+k(5)*x(2)+(k(6)+k(7))*x(5);% U7 _9 [2 F. M& O# j
dLadt = k(7)*x(5);
) w5 u6 x& N( \* hdHmdt = k(4)*x(2)-(k(6)+k(7)+k(10))*x(5);6 b ~/ w# M5 t( r9 C) X: L
dxdt = [dGldt; dFrdt; dFadt; dLadt; dHmdt];
4 _# w# U& S! J( i: e! K o' m0 a- f, W# \. b8 K4 q. Z
8 ?( ]: e# Z p+ [( a, U' P
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