Figure 6. Variation of MLE with initial condition plane at a = 0.01. Here, chaotic attractors (also called hidden attractors) are represented by yellow to red color, periodic windows with green and fixed points through blue

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