果蝇节律调节模型

xueyunfei666

4 g! _" u' I8 G4 p( t- r0 c; v
[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
* o2 D& q. y3 Y$ ^% S& c' q函数：
function dy=guoying(t,y)
  P/ h: A2 x6 J+ Ldy=zeros(10,1);
Vsp=1;
Vst=Vsp;
Vmp=0.7;
1 }. g; z8 _0 K* _7 k& hVmt=Vmp;
. W$ \  F4 u$ S( P' Y  w( JKmp=0.2;
* @5 u2 A, ~. k5 t' q' p( d, z$ iKmt=Kmp;
Ksp=0.9;
* O) r6 }. k8 S# R1 X* xKst=Ksp;
Vdp=2;
% P  O) t# ?1 A7 B; U) }# H1 nVdt=4-mod(fix(t/12),2)*2;
! v) t5 K' r6 B" t% Vdt=2;
plot(t,Vdt);
hold on;  
" }) A( j2 ~2 S3 e7 t4 K2 uK1=0.6;
8 c6 b9 C  f- j. `8 y- v  {K2=0.2;
K3=1.2;
# Y8 |* G, h: ~) GK4=0.6;
/ w3 K- D) C0 F4 l8 n- |Kip=1;
- `+ i6 y, q1 C0 c" E. mKit=Kip;
Kdp=0.2;
9 ?  [6 }! Z2 \Kdt=Kdp;
# X$ d! v1 v: ?; v+ Cn=4;
) |$ ^  {, p  u0 R9 n! nK1p=2;
K1t=K1p;
K2p=K1p;
K2t=K1p;
+ a! g' J# u9 f' [' u; L, v/ ~K3p=K1p;
( _4 {) m: W* Y8 W/ [K3t=K1p;
. z+ f$ L0 s, M: v: oK4p=K1p;
4 L6 t& W# P" e( M; F$ _4 H" mK4t=K1p;
Kd=0.01;
Kdc=Kd;
Kdn=Kd;
V1p=8;
V1t=V1p;
* L$ w) j6 P! e. ?  G6 tV2p=1;
V2t=V2p;
' d; k7 R0 P9 ]6 r- aV3p=8;
- c: }) |' c9 x' ~. }+ z0 `V3t=V3p;
V4p=1;
V4t=V4p;
' e* _" I/ m; x. i7 T* d  edy(1)=Vsp*Kip^n/(Kip^n+y(10)^n)-Vmp*y(1)/(Kmp+y(1))-Kd*y(1);
dy(2)=Ksp*y(1)-V1p*y(2)/(K1p+y(2))+V2p*y(3)/(K2p+y(3))-Kd*y(2);
dy(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);
6 R" F/ `, q# S, M; E9 \; Ndy(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);
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);
! ~+ o1 Q6 ]& T: c! s' gdy(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);
dy(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);
' X- A. k  M7 A( idy(9)=K3*y(4)*y(8)-K4*y(9)-K1*y(9)+K2*y(10)-Kdc*y(9);
dy(10)=K1*y(9)-K2*y(10)-Kdn*y(10);

yiwenbing1987

楼主   能不能把题目发过来啊

ljh200906

楼主   能不能把题目发过来啊

zengtao880724

好东西哦，谢谢，继续～

pj3108846000

不错，谢谢分享