果蝇节律调节模型

xueyunfei666

, h  k7 v" n( c[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：
  Y, ~5 [8 u7 ]2 A9 g; i3 ?8 rfunction dy=guoying(t,y)
0 v4 [# O! P- b5 Ody=zeros(10,1);
( z  {; u4 Z( M- O7 E) v2 _Vsp=1;
! g" w& c7 |8 U6 V6 G# jVst=Vsp;
Vmp=0.7;
5 |& u9 g4 U# S9 P# j; ZVmt=Vmp;
# H/ Z$ \' ]2 P6 |Kmp=0.2;
Kmt=Kmp;
Ksp=0.9;
% m% ]" u7 L5 ^Kst=Ksp;
Vdp=2;
Vdt=4-mod(fix(t/12),2)*2;
: f$ U) ^$ |+ D% B% Vdt=2;
! c9 ^. g( S# t: {plot(t,Vdt);
  e( a, v" Q7 p4 Ghold on;  
K1=0.6;
, Y! F4 t. l8 P( X6 h; M1 Z. k7 pK2=0.2;
) Y1 b+ d6 C/ A/ @$ wK3=1.2;
K4=0.6;
- U) i' l4 @: ]2 g; R% G; J' ]8 ^Kip=1;
Kit=Kip;
& \  R$ E3 N2 x. m. P! d1 F; K& KKdp=0.2;
Kdt=Kdp;
; B# d9 ?' b4 N  z& Fn=4;
* T; \. M9 C, T% QK1p=2;
+ i$ z( E3 K4 l, N& U$ e/ [3 |- tK1t=K1p;
6 W6 c- \4 I4 i# CK2p=K1p;
K2t=K1p;
) I5 N' [" I  d: OK3p=K1p;
K3t=K1p;
K4p=K1p;
K4t=K1p;
Kd=0.01;
Kdc=Kd;
) P0 Y4 i/ S, G( p6 P  GKdn=Kd;
V1p=8;
0 s8 @: r* I  }3 j! kV1t=V1p;
/ T: m; x! i3 c6 _) Y* j! [V2p=1;
; Q4 x/ A: g9 |* O( o2 Z' g1 zV2t=V2p;
( k. \4 P8 n* tV3p=8;
4 _/ a, R! ]* d" Y& C3 UV3t=V3p;
V4p=1;
4 q! P* {9 J; w' s, j# T0 r; O6 AV4t=V4p;
dy(1)=Vsp*Kip^n/(Kip^n+y(10)^n)-Vmp*y(1)/(Kmp+y(1))-Kd*y(1);
( ^1 i; b9 c1 z  xdy(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);
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);
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);

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