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is governed by a set of three differential equations of the first order
where x, y, z are dynamical variables, a, b, r are parameters. It is suggested in 1976 as an artificially constructed chaotic system simpler than the Lorenz model well known that time. We present here a chart of dynamical regimes in the parameter plane a, r built by means of computer solution of the differential equations at b=0.2. Phase portraits of attractors at some representative points of the parameter plane are shown around.
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Saratov group