Plotting from a for loop- discrete maps

2020 3 26
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更新时间：2020 3 27
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I'm just playing around with discrete maps (i.e. the logistic map). I seem to be having an issue plotting my data; It seems to only plot the last data point. Any suggestions?
function [x] = logistic(lambda,x0,n)
x(1) = x0;
for i= 1:n
x(i+1) = lambda*x(i)*(1-x(i));
z = [i,x(i)];
disp(z);
end
plot(z,'+');
end
Thank you in advance

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Birdman
Birdman 2020-3-27

0 个投票

function [x] = logistic(lambda,x0,n)
x(1) = x0;
for i= 1:n
x(i+1) = lambda*x(i)*(1-x(i));
z(i,:) = [i,x(i)];
disp(z);
end
plot(z(:,1),z(:,2),'+');
end

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Maria Raheb
Maria Raheb 2020-3-27
Thank you!
Any idea how I can use my code to construct a bifurcation diagram of the quadratic/logistic map? The code I've attached does not do that for me.
for lambda = 0:0.01:4
[x] = logistic(lambda,0.5,25);
end

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