果蝇节律调节模型

xueyunfei666

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% k! F6 ]% ~! ^% Q3 j[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
函数：
function dy=guoying(t,y)
dy=zeros(10,1);
Vsp=1;
  J$ X8 s! I( ?Vst=Vsp;
# ~" {: p* e! O7 w" j" I" ZVmp=0.7;
Vmt=Vmp;
+ J$ q1 A- U4 v% ^0 ]9 x3 u4 U% ~Kmp=0.2;
Kmt=Kmp;
Ksp=0.9;
Kst=Ksp;
  j& a! x' u8 M* Y3 ~/ }8 YVdp=2;
1 s" m) t/ n6 {+ K0 mVdt=4-mod(fix(t/12),2)*2;
% Vdt=2;
4 T5 C6 ~) x0 c8 }( ?2 |plot(t,Vdt);
hold on;  
K1=0.6;
K2=0.2;
K3=1.2;
K4=0.6;
2 N2 \- N" q" v" G0 v4 s% z+ x! |Kip=1;
1 P+ J& W3 h! O3 b; j/ [) t& O, CKit=Kip;
Kdp=0.2;
Kdt=Kdp;
& K: K8 k4 w2 A  a0 [! o  zn=4;
5 ~: [  x; c1 T; e9 F; SK1p=2;
. D$ z* }# p9 S( G; XK1t=K1p;
K2p=K1p;
K2t=K1p;
K3p=K1p;
K3t=K1p;
K4p=K1p;
% w9 k1 q8 c, {# E- fK4t=K1p;
Kd=0.01;
Kdc=Kd;
Kdn=Kd;
V1p=8;
& g  L5 \% j- j5 q+ f! gV1t=V1p;
4 u" U, L4 z. V/ \3 w% {) p0 [& rV2p=1;
4 M/ B3 ]- O* Z, C1 B4 MV2t=V2p;
6 v' M3 n0 r0 u. T5 N9 bV3p=8;
# S! \2 m+ a6 J) {. u% JV3t=V3p;
8 T6 C/ b6 }* N  l7 N4 d+ b) ]V4p=1;
4 K1 ]# Z1 I7 Q- T+ Y/ Z" jV4t=V4p;
5 w' ^0 Z. [1 q2 U1 sdy(1)=Vsp*Kip^n/(Kip^n+y(10)^n)-Vmp*y(1)/(Kmp+y(1))-Kd*y(1);
( M/ n  p$ j5 O' D! V6 I5 L8 U$ ydy(2)=Ksp*y(1)-V1p*y(2)/(K1p+y(2))+V2p*y(3)/(K2p+y(3))-Kd*y(2);
, h% N( o( b; z5 t7 s7 mdy(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);
dy(5)=Vst*Kit^n/(Kit^n+y(10)^n)-Vmt*y(5)/(Kmt+y(5))-Kd*y(5);
4 C5 R3 \. R3 c$ E4 vdy(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);
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);
dy(9)=K3*y(4)*y(8)-K4*y(9)-K1*y(9)+K2*y(10)-Kdc*y(9);
. z$ N) h0 [- ^  n+ ^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