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Hello everone,

I've plot my figure in matlab as follows

close all

clear all

avalues=0.3:0.01:1;

N=8000;

d=0.03;

a=avalues;

x=0.78;

y=0.81;

X=zeros(N,length(a));

Y=zeros(N,length(a));

for n=1:0.3*N

x=(1-d).*x.*exp(a.*(1-x).*((x/0.2)-1))+d.*y.*exp(a.*(1-y).*((y/0.2)-1));

y=(1-d).*y.*exp(a.*(1-y).*((y/0.2)-1))+d.*x.*exp(a.*(1-x).*((x/0.2)-1));

X(n,:)=x;

Y(n,:)=y;

end

figure (9), hold on

for n=.3*N:N

x=(1-d).*x.*exp(a.*(1-x).*((x/0.2)-1))+d.*y.*exp(a.*(1-y).*((y/0.2)-1));

y=(1-d).*y.*exp(a.*(1-y).*((y/0.2)-1))+d.*x.*exp(a.*(1-x).*((x/0.2)-1));

X(n,:)=x;

Y(n,:)=y;

plot(a,x,'.','MarkerSize',0.01)

hold on

plot(a,y,'.','MarkerSize',0.01)

axis([0.3 1 -1 1.4])

end

hold off

The output is

As we can seen, I have two figures on each other.

How can I change its color to the colors something like this?

Simon Chan
on 20 Sep 2021

Just put the color code for the markers. May try the following:

for n=.3*N:N

x=(1-d).*x.*exp(a.*(1-x).*((x/0.2)-1))+d.*y.*exp(a.*(1-y).*((y/0.2)-1));

y=(1-d).*y.*exp(a.*(1-y).*((y/0.2)-1))+d.*x.*exp(a.*(1-x).*((x/0.2)-1));

X(n,:)=x;

Y(n,:)=y;

plot(a,x,'r.','MarkerSize',0.01)

hold on

plot(a,y,'b.','MarkerSize',0.01)

axis([0.3 1 -1 1.4])

end

Mathieu NOE
on 20 Sep 2021

hello

I modified a bit your code to get this result :

.code :

close all

clear all

avalues=0.3:0.005:1;

N=200;

d=0.03;

a=avalues;

x=0.78;

y=0.81;

X=zeros(N,length(a));

Y=zeros(N,length(a));

for n=1:0.3*N

x=(1-d).*x.*exp(a.*(1-x).*((x/0.2)-1))+d.*y.*exp(a.*(1-y).*((y/0.2)-1));

y=(1-d).*y.*exp(a.*(1-y).*((y/0.2)-1))+d.*x.*exp(a.*(1-x).*((x/0.2)-1));

X(n,:)=x;

Y(n,:)=y;

end

figure (9), hold on

for n=.3*N:N

x=(1-d).*x.*exp(a.*(1-x).*((x/0.2)-1))+d.*y.*exp(a.*(1-y).*((y/0.2)-1));

y=(1-d).*y.*exp(a.*(1-y).*((y/0.2)-1))+d.*x.*exp(a.*(1-x).*((x/0.2)-1));

X(n,:)=x;

Y(n,:)=y;

plot(a,x,'r.','MarkerSize',15)

hold on

plot(a,y,'b.','MarkerSize',15)

end

axis([0.3 1 0 1.5])

hold off

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