果蝇节律调节模型

xueyunfei666

2 y% N. D' Q& Z
1 `. Z, \- A, J* h4 \4 Z[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
4 H3 n& s9 V& L8 d函数：
& ~0 u" E1 Z  |/ @' E; Xfunction dy=guoying(t,y)
2 W9 _2 R; e. v8 s( O+ v9 w# X$ Sdy=zeros(10,1);
Vsp=1;
( ], e- [5 f& W  h; R& w1 vVst=Vsp;
- T; L0 j7 v9 m# M6 Z* p/ y5 V( qVmp=0.7;
Vmt=Vmp;
2 K: I( F% `$ m1 z7 k8 C+ F2 OKmp=0.2;
: z! r# a# b- xKmt=Kmp;
Ksp=0.9;
* }6 b' ?( w. s. b& c7 a+ YKst=Ksp;
: i# `" y5 [1 e: D) r3 j& [Vdp=2;
Vdt=4-mod(fix(t/12),2)*2;
* ^" l" J. o: X# M% |9 v2 \4 [% Vdt=2;
/ F0 P8 \3 \# |4 U# @plot(t,Vdt);
hold on;  
K1=0.6;
K2=0.2;
! N" F6 e+ e2 k0 T" a9 u" @K3=1.2;
K4=0.6;
/ I1 v! U3 Y: \4 i! O6 E! DKip=1;
Kit=Kip;
Kdp=0.2;
Kdt=Kdp;
' q3 U! ~/ S( @" K# h! cn=4;
K1p=2;
$ Z- P' _" u) l- x9 i( {5 aK1t=K1p;
9 F9 I1 r+ D/ x; fK2p=K1p;
% d0 u3 v- z& Z2 PK2t=K1p;
0 n* Z- j: B) S- G0 d) ~; ~K3p=K1p;
4 x( Q! N; {9 E3 r# KK3t=K1p;
- O* t! e$ ^" ^6 M1 S* l2 iK4p=K1p;
K4t=K1p;
Kd=0.01;
- q0 l* u( C& O* Y! W4 A. fKdc=Kd;
Kdn=Kd;
V1p=8;
% c, ^3 |- m9 \2 n: X4 d) |$ yV1t=V1p;
V2p=1;
( P( y5 P: s/ u3 x( R: E1 e: |V2t=V2p;
V3p=8;
V3t=V3p;
V4p=1;
V4t=V4p;
dy(1)=Vsp*Kip^n/(Kip^n+y(10)^n)-Vmp*y(1)/(Kmp+y(1))-Kd*y(1);
2 s$ z9 P) m0 W' Q) ~7 pdy(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);
9 a* _$ k" T+ W& j& |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);
5 B5 A1 R* C1 S% mdy(6)=Kst*y(5)-V1t*y(6)/(K1t+y(6))+V2t*y(7)/(K2t+y(7))-Kd*y(6);
+ G# P+ g+ r8 R$ ^' z# ~3 Udy(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);
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