果蝇节律调节模型

xueyunfei666

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; D8 l8 q2 `  L4 z: 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：
. j- q) }# Q3 ^& r# Q; afunction dy=guoying(t,y)
( v  b8 P* C3 J" B8 Wdy=zeros(10,1);
1 g( i' @9 l' k" C7 ~  `/ _# J& ]Vsp=1;
Vst=Vsp;
Vmp=0.7;
! p# c) O) |0 _6 h. HVmt=Vmp;
3 c$ a; b' ~7 \+ o# fKmp=0.2;
Kmt=Kmp;
0 B) \) ]& D2 C* Q9 I: ~' _Ksp=0.9;
Kst=Ksp;
$ D1 b8 A" R) Q, LVdp=2;
Vdt=4-mod(fix(t/12),2)*2;
% Vdt=2;
0 |0 o2 }8 h5 \$ Aplot(t,Vdt);
; z' `9 L/ x( g: f/ R4 H. }hold on;  
K1=0.6;
8 x9 U2 a( _, N/ @; T: N( l* I; iK2=0.2;
K3=1.2;
K4=0.6;
  ?! b, F; e0 \7 BKip=1;
Kit=Kip;
Kdp=0.2;
Kdt=Kdp;
n=4;
% j( e6 M9 I  |" x6 C& _K1p=2;
K1t=K1p;
K2p=K1p;
K2t=K1p;
8 V# N; L  V2 e' nK3p=K1p;
K3t=K1p;
( ?) N/ y0 A5 t+ G9 S$ bK4p=K1p;
K4t=K1p;
Kd=0.01;
Kdc=Kd;
; Q& ~+ U2 H, }7 p. I% AKdn=Kd;
+ Z% |1 f! h/ K, n. p8 c+ D' |9 s! XV1p=8;
8 x/ H- R- V7 g6 n& |1 R" hV1t=V1p;
V2p=1;
V2t=V2p;
) m) Z- D' T% x1 m0 o1 l" C$ yV3p=8;
V3t=V3p;
8 N5 B& R1 m/ u3 E1 z8 p6 IV4p=1;
% s0 G7 e8 [9 vV4t=V4p;
# b3 T2 E1 c9 B! U! ]+ ^* j) fdy(1)=Vsp*Kip^n/(Kip^n+y(10)^n)-Vmp*y(1)/(Kmp+y(1))-Kd*y(1);
- |/ u& D! _0 ]/ o6 i) `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);
  o, @1 ~/ l) ddy(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);
$ v1 n2 i- Y2 i" U! W/ [( ldy(6)=Kst*y(5)-V1t*y(6)/(K1t+y(6))+V2t*y(7)/(K2t+y(7))-Kd*y(6);
" P& ^% j( j- q7 l) L& I; idy(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* z, [; {4 f5 Pdy(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