期刊
COMPUTER PHYSICS COMMUNICATIONS
卷 180, 期 11, 页码 2398-2399出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cpc.2009.07.005
关键词
Lyapunov exponent; Kolmogorov-Sinai entropy; Power spectrum; Autocorrelation; Phase portrait; ODE; Nonlinear dynamics; Fractals
This work presents a new version of a software package for the study of chaotic flows, maps and fractals Ill. The codes were written using Scilab, a software package for numerical computations providing a powerful open computing environment for engineering and scientific applications. It was found that Scilab provides various functions for ordinary differential equation solving, Fast Fourier Transform, autocorrelation, and excellent 2D and 3D graphical capabilities. The chaotic behaviors of the nonlinear dynamics systems were analyzed using phase-space maps, autocorrelation functions, power spectra, Lyapunov exponents and Kolmogorov-Sinai entropy. Various well-known examples are implemented, with the capability of the users inserting their own ODE or iterative equations.
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