果蝇节律调节模型

xueyunfei666

[local]1[/local]主程序： [t,y]=ode45('guoying',[0 144],[0 0.35 0.35 0.15 0 0.45 0.35 0.25 0.15 0.6]); figure(1) plot(t,y(:,6),t,y(:,7),t,y(:,8),t,y(:,9),t,y(:,10),t,y(:,6)+y(:,7)+y(:,8)+y(:,9)+y(:,10)); figure(2) plot(t,y(:,6),t,y(:,10),t,y(:,6)+y(:,7)+y(:,8)+y(:,9)+y(:,10),t,); plot(t,y(:,1),t,y(:,5)); figure(3) plot(t,y(:,6)+y(:,7)+y(:,8)+y(:,9)+y(:,10),t,y(:,2)+y(:,3)+y(:,4)+y(:,9)+y(:,10)); for i=12:12:144 plot(i,2:0.01:4,'b:'); end
$ X- y% [' [. b& W' B函数：
function dy=guoying(t,y)
# ~0 m6 b( l7 m; Idy=zeros(10,1);
  L# D3 t. k# l4 N/ vVsp=1;
Vst=Vsp;
4 U% r' j) N2 O0 {, n$ cVmp=0.7;
Vmt=Vmp;
Kmp=0.2;
Kmt=Kmp;
Ksp=0.9;
Kst=Ksp;
+ Q6 q( l& ~& p3 m& w2 kVdp=2;
5 J& T% y! p( L% p" m- RVdt=4-mod(fix(t/12),2)*2;
% Vdt=2;
! h$ o* z% O2 m% g+ \) M, m  Vplot(t,Vdt);
8 _' Q9 T9 x8 bhold on;  
+ T8 B  ]- Q+ D3 ~$ U+ YK1=0.6;
K2=0.2;
( H4 @& a! _$ S7 K0 mK3=1.2;
9 u, W1 j7 z$ R7 HK4=0.6;
Kip=1;
Kit=Kip;
Kdp=0.2;
Kdt=Kdp;
! F* n% `( @; w$ Q4 kn=4;
K1p=2;
' z6 L- c4 `+ w- j) xK1t=K1p;
, j8 Q$ [6 q3 `6 w2 ^- wK2p=K1p;
3 `; {% e' J9 v0 i% n* W* c9 v0 NK2t=K1p;
K3p=K1p;
K3t=K1p;
K4p=K1p;
K4t=K1p;
Kd=0.01;
Kdc=Kd;
& x+ B! T9 x; }$ F: ]8 S! ^% fKdn=Kd;
* |( ?4 I! C" y6 k; v& }7 L3 \V1p=8;
8 S# e8 p% }8 Q+ lV1t=V1p;
V2p=1;
7 l' ?/ W5 y0 ^* k, q. z; q; g+ v) ]V2t=V2p;
V3p=8;
V3t=V3p;
- l; S0 Y- x7 xV4p=1;
% {7 R! Y# S4 r% P. o; iV4t=V4p;
dy(1)=Vsp*Kip^n/(Kip^n+y(10)^n)-Vmp*y(1)/(Kmp+y(1))-Kd*y(1);
3 s" S" d- t0 ^! J2 z4 hdy(2)=Ksp*y(1)-V1p*y(2)/(K1p+y(2))+V2p*y(3)/(K2p+y(3))-Kd*y(2);
/ r! _) r$ L) u1 I: Edy(3)=V1p*y(2)/(K1p+y(2))-V2p*y(3)/(K2p+y(3))-V3p*y(3)/(K3p+y(3))+V4p*y(4)/(K4p+y(4))-Kd*y(3);
dy(4)=V3p*y(3)/(K3p+y(3))-V4p*y(4)/(K4p+y(4))-K3*y(4)*y(8)+K4*y(9)-Vdp*y(4)/(Kdp+y(4))-Kd*y(4);
" o0 y1 ?2 b6 c6 t7 ?dy(5)=Vst*Kit^n/(Kit^n+y(10)^n)-Vmt*y(5)/(Kmt+y(5))-Kd*y(5);
dy(6)=Kst*y(5)-V1t*y(6)/(K1t+y(6))+V2t*y(7)/(K2t+y(7))-Kd*y(6);
dy(7)=V1t*y(6)/(K1t+y(6))-V2t*y(7)/(K2t+y(7))-V3t*y(7)/(K3t+y(7))+V4t*y(8)/(K4t+y(8))-Kd*y(7);
/ U: n- j7 ~, `" j9 udy(8)=V3t*y(7)/(K3t+y(7))-V4t*y(8)/(K4t+y(8))-K3*y(7)*y(8)+K4*y(9)-Vdt*y(8)/(Kdt+y(8))-Kd*y(8);
( o0 V. T9 ~) C. \' p1 m: c* cdy(9)=K3*y(4)*y(8)-K4*y(9)-K1*y(9)+K2*y(10)-Kdc*y(9);
) P& v4 A% D: P5 i/ n  }dy(10)=K1*y(9)-K2*y(10)-Kdn*y(10);

pj3108846000

不错，谢谢分享

zengtao880724

好东西哦，谢谢，继续～

ljh200906

楼主   能不能把题目发过来啊

yiwenbing1987

楼主   能不能把题目发过来啊