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on 6 Oct 2021
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figure(Color='k')
x=[0;0];
n=x;
N=1e5;
r=rand(N+1,1);
for i=1:N
x=f(x,r(i));
n=[n,x];
end
scatter(n(1,:),n(2,:),1,r)
colormap(summer)
axis off
function n=f(x,r)
b=160;
if r<0.85
A=[-74 4;-4 85];
elseif r<0.92
A=[20 -26;23 22];
elseif r<0.99
A=[-15 28;26 24];
b=44;
else
A(2,2)=16;
b=0;
end
n=(A*x+[0;b])/100;
end
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