果蝇节律调节模型

xueyunfei666

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[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
3 I1 f& i8 L1 n5 q  r1 T1 e函数：
. ]; w. d& ^8 g; E+ jfunction dy=guoying(t,y)
6 ?0 \% N  d) B1 r$ zdy=zeros(10,1);
Vsp=1;
Vst=Vsp;
Vmp=0.7;
Vmt=Vmp;
8 F- d' C! P: W7 S) u$ y, mKmp=0.2;
Kmt=Kmp;
3 i- ?9 m' h" Q2 M0 G2 Q/ ?; |! nKsp=0.9;
Kst=Ksp;
/ G7 x& i. w& Q2 WVdp=2;
1 v) N% z9 x; e/ ]Vdt=4-mod(fix(t/12),2)*2;
6 T  s. H0 J8 W/ D2 g' k. T% Vdt=2;
! D: c. \1 p7 ?( Dplot(t,Vdt);
hold on;  
: e& k. B  `! B* q, zK1=0.6;
K2=0.2;
& ^. Z4 I# E7 yK3=1.2;
" ~% w8 T8 @( E; f! GK4=0.6;
Kip=1;
Kit=Kip;
Kdp=0.2;
Kdt=Kdp;
( v5 \6 ]1 \" W/ ?- wn=4;
K1p=2;
2 L) u! H. u6 p! ]9 g& ~: pK1t=K1p;
K2p=K1p;
K2t=K1p;
K3p=K1p;
( k- ]9 a: O( Q) I( F* LK3t=K1p;
, c: m, ]- B' u. l3 v- E) q- Z+ sK4p=K1p;
: k& W0 `$ ~1 L0 k; GK4t=K1p;
Kd=0.01;
Kdc=Kd;
Kdn=Kd;
+ ~7 d- J  m$ E" F" QV1p=8;
  Q* n) v1 R2 r2 q0 b9 E' O1 ]V1t=V1p;
  }' L" W( F' Y' B9 {3 g* MV2p=1;
V2t=V2p;
4 Z8 \  w$ C0 T/ _V3p=8;
V3t=V3p;
V4p=1;
/ j2 {' L: l$ m+ dV4t=V4p;
9 z0 A9 Q5 e  F4 M9 h7 Ddy(1)=Vsp*Kip^n/(Kip^n+y(10)^n)-Vmp*y(1)/(Kmp+y(1))-Kd*y(1);
8 h# z% I! w! L+ y5 `dy(2)=Ksp*y(1)-V1p*y(2)/(K1p+y(2))+V2p*y(3)/(K2p+y(3))-Kd*y(2);
6 q6 g! W* l8 Z' m9 @0 f0 ~* ydy(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) d0 \$ b9 W0 I, }. g  e% U) O- }dy(5)=Vst*Kit^n/(Kit^n+y(10)^n)-Vmt*y(5)/(Kmt+y(5))-Kd*y(5);
/ q8 I9 Y6 q5 v3 X+ w0 X* `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);
6 L9 I9 B: f+ A4 Y0 }. C* Hdy(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);
, v( @: c( D9 L' m+ Qdy(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