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on 22 Oct 2021
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%The Finance atrractor
t = 0:5e-4:100; %0:5e-5:50
% dyn
[~,o]=ode45(@f,t,[0 1 -1]);
patch(o(:,1),o(:,2),o(:,3),t,'EdgeC','w','Linew',2);
set([gcf,gca],Color=[.7 .7 .25]);
%colormap(autumn(256));
%line([.71 .1]+.3, [-.7 -.02]+.2,'Color','w',LineW=5)
axis off
view(165,86)
% equation
function q=f(t,X)
x=X(1);
y=X(2);
z=X(3);
a=.001;
b=.02;
c=1.1;
q = [(1/b-a)*x+z+x*y;
-b*y-x^2;
-x-c*z];
end
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