Figure 8. Poincare variation with initial points at a = 0.01 and b = 4.0. (a) x0 = 0.375, y =1.0 and z = 0.75, (b) x0 = 0.375, y = 0.1 and z = 0.75, (c) x0 = 0.375, y = −0.1 and z = 0.75, (d) x0 = 0.375, y = −1.0 and z = 0.75

From

Multistability in a Single System with Hidden Attractors- Theory and Experiment

Papri Saha, Dolonchampa Saha Anirban Ray, A. Roy Chowdhury

International Journal of Physics. 2014, 2(6), 217-225 doi:10.12691/ijp-2-6-6