果蝇节律调节模型

xueyunfei666

6 e0 |* c3 ^- }& A( l4 e6 h9 e6 M: ^
[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)
1 e7 Z( l9 G; J; v. O2 D; qdy=zeros(10,1);
# w& B9 |6 j9 R/ c5 WVsp=1;
Vst=Vsp;
4 c, @) [; B0 F4 Q5 tVmp=0.7;
8 U- [" `" G2 h) ^& y+ L1 e9 xVmt=Vmp;
* j" v: d# X) R% K8 K& n9 H+ vKmp=0.2;
( a/ Y9 o: w: X: wKmt=Kmp;
8 s: h, g0 L- H" _2 V& J; pKsp=0.9;
( I! w/ \" y9 j, z3 M6 e' j+ Z1 CKst=Ksp;
Vdp=2;
Vdt=4-mod(fix(t/12),2)*2;
% Vdt=2;
plot(t,Vdt);
' g: Z- F) b7 }& C$ O! |6 P+ whold on;  
! H1 E" \9 ^) OK1=0.6;
4 g1 K; a6 {0 f3 hK2=0.2;
K3=1.2;
K4=0.6;
& f: ^5 X& Z+ y+ S' R3 tKip=1;
. X1 z2 _" @' {Kit=Kip;
! q6 `6 C# Q- W8 oKdp=0.2;
Kdt=Kdp;
. ?! J3 K5 F8 c* T1 w; g: {/ A; tn=4;
K1p=2;
% ^8 a. d# g' ~& S, SK1t=K1p;
K2p=K1p;
K2t=K1p;
* H4 u1 I( k  }6 nK3p=K1p;
/ D3 P) O! L0 V0 B9 S; B9 iK3t=K1p;
K4p=K1p;
K4t=K1p;
Kd=0.01;
Kdc=Kd;
' N8 ^" K8 d5 z: E) y" }Kdn=Kd;
% T  y9 F( b3 M5 b9 DV1p=8;
+ W% u5 t0 y$ h: w+ BV1t=V1p;
- G0 g" m0 t: H2 c6 `+ s$ uV2p=1;
  l0 N+ B1 j8 f. W& |$ |/ rV2t=V2p;
: t  c2 M: T# N* B' l4 \$ e' PV3p=8;
8 Y2 ^6 U  E6 W6 A/ ?$ p9 sV3t=V3p;
V4p=1;
V4t=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);
# ?& {( {/ A  O# B2 Ddy(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);
/ r) x% y9 a6 @9 j: [. ^* l0 qdy(6)=Kst*y(5)-V1t*y(6)/(K1t+y(6))+V2t*y(7)/(K2t+y(7))-Kd*y(6);
4 J1 Q; Q. f! p$ D( X9 j* Edy(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);
, G( s( E3 F$ r" j! n$ l8 B9 ^dy(9)=K3*y(4)*y(8)-K4*y(9)-K1*y(9)+K2*y(10)-Kdc*y(9);
) I3 Y* X8 }) r4 u) j2 r# c# Ddy(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