function LE = LEofLogisticMap( rStart, rEnd, rStep )
calculates Lyapunov exponent of logistic map x(t+1) = r*x(t)*(1-x(t)) for r within the interval (3.5,4) using derivative for values of control parameter from rStart to rEnd with step rStep
INPUT
- rStart - first value of control parameter r
- rEnd - last value of control parameter r
- rStep - step
OUTPUT
- LE - values of estimated Lyapunov exponent according to [S03]
EXAMPLE OF USE:
rStart = 3.5;
rEnd = 4;
rStep = 0.0001;
LE = LEofLogisticMap( rStart, rEnd, rStep );
figure; plot( rStart:rStep:rEnd, LE, 'k.-' ); axis tight;
title('Values of estimated Lyapunov exponent for logistic map for r = 3.5...4' );
xlabel( 'r' );
ylabel( 'Values of estimated Lyapunov exponent' );
REFERENCES
[S03] J.C. Sprott, 2003. Chaos and time-series analysis, volume 69. Oxford University Press Oxford.
%
% @author Valentina Unakafova
% @email UnakafovaValentina(at)gmail.com
% @date 11.07.2017
引用格式
Valentina Unakafova (2024). Lyapunov exponent of logistic map (https://www.mathworks.com/matlabcentral/fileexchange/63803-lyapunov-exponent-of-logistic-map), MATLAB Central File Exchange. 检索来源 .
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