xt+1 = xt2 - yt2 + A xt + B yt

yt+1 = 2.0 xt yt + C xt + D yt

parameters: A = 0.9, B = -0.6, C = 2.0, D = 0.5

Lyapunov exponents (log with base-e): 0.1901, -0.5192
Lyapunov Dimension: 1.3662

Reference

Dynamics: Numerical Explorations (Applied Mathematical Sciences, 101) 

Helena Engelina Nusse and James Alan Yorke

Springer (1997/Nov/7)
ISBN-10: 0387982647
ISBN-13: 978-0387982649

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Chaos and Time-Series Analysis (p. 422)

Julien Clinton Sprott

Oxford University Press (2001/Sep/27)

ISBN-10: 0198508409

ISBN-13: 978-0198508403

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