果蝇节律调节模型

xueyunfei666

# ^0 v) y8 @* `
[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
% e7 I1 X  S) Z, I; R& `3 h" g% l- d函数：
function dy=guoying(t,y)
dy=zeros(10,1);
Vsp=1;
Vst=Vsp;
Vmp=0.7;
1 j4 J2 t" t4 X  sVmt=Vmp;
Kmp=0.2;
# |3 ~( n0 _5 m& u- X! `- N" |( k9 \Kmt=Kmp;
Ksp=0.9;
! Z6 Y. x2 z( b( W& qKst=Ksp;
' ]; S+ J# s" a! W  UVdp=2;
6 U, _5 y+ P, {4 _; ?' ?; aVdt=4-mod(fix(t/12),2)*2;
& o4 e7 {7 V( O' p& s% Vdt=2;
7 X' g; U' M$ W* M% B# H! ?+ Zplot(t,Vdt);
hold on;  
K1=0.6;
K2=0.2;
K3=1.2;
K4=0.6;
; G4 K/ @; |4 gKip=1;
( ?) ]& _( w  T4 Q. s7 _Kit=Kip;
Kdp=0.2;
& k3 S! N# A4 [, r0 B/ ?7 C4 }Kdt=Kdp;
n=4;
/ ]7 L9 a  V- BK1p=2;
K1t=K1p;
K2p=K1p;
# s: p8 x- I. T9 T1 bK2t=K1p;
+ e* U' m% ^& O- }! N- O" K+ D0 OK3p=K1p;
, W& `) q: I( {$ }7 q2 kK3t=K1p;
  x1 d' H$ [8 y' G% vK4p=K1p;
. O! n2 ^2 v( J" y4 U4 o" a  R8 QK4t=K1p;
Kd=0.01;
) D- o7 O7 p8 r) N2 v. qKdc=Kd;
Kdn=Kd;
- R7 o3 w& X) e, m2 |  }. p: G2 l& FV1p=8;
V1t=V1p;
- m- F& L  K4 \1 X! N6 i  H2 AV2p=1;
( w% ^" w  [/ t+ b6 CV2t=V2p;
) @* m4 U, N, W& j% K, L3 }V3p=8;
: |' k0 t7 k2 o6 eV3t=V3p;
- i& P" \' e" ~( d6 dV4p=1;
V4t=V4p;
$ z3 ?6 P0 k) _& b( jdy(1)=Vsp*Kip^n/(Kip^n+y(10)^n)-Vmp*y(1)/(Kmp+y(1))-Kd*y(1);
% s/ Y5 O& O. ?4 c+ Fdy(2)=Ksp*y(1)-V1p*y(2)/(K1p+y(2))+V2p*y(3)/(K2p+y(3))-Kd*y(2);
0 _% {! e6 |* v, o8 Pdy(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);
8 K" X- @3 X" \2 `8 fdy(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);
1 D( C$ K7 E) z) f; H' tdy(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# q* M+ k' c* Zdy(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);
! T/ O( X. [  {% c3 Tdy(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