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how can I draw bifurcation diagram for given code

조회 수: 16 (최근 30일)
mallela ankamma rao
mallela ankamma rao 2022년 8월 31일
답변: Abderrahim. B 2022년 8월 31일
Good afternoon sir
can you tell me anyone how to draw bifurcation diagram like this
N=1390000000;
zetaa = 0.4;
zetai = 0.3;
zetag = 0.3;
theta = 0.2;
omega = 0.5;
beta = 0.3311;
lamdai = 0.0046;
lamdau = 0.5129;
gammai = 0.0046;
gammau = 0.5129;
gammag = 0.1318;
mui = 0.0046;
muu = 0.4852;
mug = 0.0128;
mu = 0.0014;
pi=2000
Ki = lamdai+gammai+mui+mu; Ku = lamdau+gammau+muu+mu; Kg = gammag+mug+mu; Km = omega+mu;
R0 = (beta*zetag/Km)+(beta*zetai*theta*omega/(Ki*Km))+...
((beta*zetag*lamdai*theta*omega*Ku+beta*zetag*lamdau*(1-theta)*omega*Ki)/(Ki*Kg*Ku*Km));
A1 =(pi-mu*N/R0)/Km;
I1 =(theta*omega)/Ki;
U1=((1-theta)*omega*A1)/Ku;
G1 =(lamdai*theta*omega*Ku+lamdau*(1-theta)*omega*Ki)*A1/(Ki*Kg*Ku);
R1 =(((lamdai*theta*omega)/mu*Ki)+((1-theta)*omega/Ku*mu)+((gammag*lamdai*theta*omega)/(mu*Kg*Ki))...
+(gammag*lamdau*(1-theta)*omega)/(mu*Kg*Ku))*A1;
V1 = beta*(zetaa*A1+zetai*I1+zetag*G1)*(1/N);
plot(R0,V1)
xlabel('R0');
ylabel('V1');
box on
hold on

답변 (1개)

Abderrahim. B
Abderrahim. B 2022년 8월 31일
Hi!
MATLAB does not have a function to plot this kind of diagrams, but it has capabilities that you can use to write your own specific codes.
Consider using function the below file echanges that you may find useful .
  1. Plotting bifurcation diagram.
  2. Chaotic generators demo
Hope this helps

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