Langford Strange Chaotic Attractor With Nonstandard Parameters

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The Langford strange chaotic attractor is defined by three differential equations: x’ = (z − b)x − dy y’ = dx + (z − b)y z’ = c + az − (z^3)/3 − (x^2 + y^2)(1 + ez) + fzx^3 With parameters: a = 0.95 b = 0.7 c = 0.6 d = 3.5 e =0.25 f = 0.1 And initial conditions: x0 = 0.1 y0 = 1 z0 = 0 This chaotic attractor is instead designed with parameters: a = 0.99 b = 0.81 c = 0.71 d = 4.55 e = 0.55 f = 0.25 And with initial conditions: x0 = .1 y0 = .25 z0 = 20