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
- H  z  K. e5 x$ g' j4 j# d函数：
function dy=guoying(t,y)
6 _+ @$ i! q# ydy=zeros(10,1);
3 q* H& B, U! [* F6 |* P: tVsp=1;
Vst=Vsp;
Vmp=0.7;
% R, I) m' D( {9 wVmt=Vmp;
Kmp=0.2;
Kmt=Kmp;
/ x1 Z+ t  Z$ C% m4 @Ksp=0.9;
Kst=Ksp;
% [1 S: D8 a+ c# G4 C. HVdp=2;
Vdt=4-mod(fix(t/12),2)*2;
; [; p% k  r/ Q* h' z3 p+ t% Vdt=2;
plot(t,Vdt);
9 l( |; i5 B$ z+ j" r4 D, v9 G, J1 Qhold on;  
) t% `- h6 Z8 c- C1 HK1=0.6;
# Q0 I7 ^+ B9 fK2=0.2;
K3=1.2;
K4=0.6;
Kip=1;
Kit=Kip;
3 |* q" [" T: |1 s, {, m  B/ f# R7 k( SKdp=0.2;
: v* I0 j+ R# H) cKdt=Kdp;
n=4;
K1p=2;
K1t=K1p;
6 I- ^9 V' A; F" f+ N) r8 LK2p=K1p;
& _7 u2 A) o& t8 U- V' HK2t=K1p;
K3p=K1p;
6 x* ^* n! x2 f. h/ F* V; m5 I/ fK3t=K1p;
0 ?6 u; Y3 T8 ?) Q! h6 U3 |' w' H* [K4p=K1p;
K4t=K1p;
; l$ g7 K# H) W; u2 S% GKd=0.01;
Kdc=Kd;
9 Z. y2 g$ r) g; Z, [6 Y; XKdn=Kd;
2 t; W# h8 l3 nV1p=8;
! Q8 r" H# G# s) E2 tV1t=V1p;
9 a5 @0 j( p* ^* w& |* ~6 H* dV2p=1;
V2t=V2p;
V3p=8;
' z, m* {  d7 A+ T1 X/ qV3t=V3p;
V4p=1;
0 A# z* E2 o; hV4t=V4p;
dy(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);
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);
- c# W# b: D/ f- G9 h. I: W+ g% ]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);
- h4 {# F7 a# L4 Y+ D, k; Mdy(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);
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