Fig. 6

Dynamics of the proposed system (31) with initial conditions \(({\mathcal {R}}_{1},{\mathcal {R}}_{2})=(0.91, 0)\) in green line, \(({\mathcal {R}}_{1},{\mathcal {R}}_{2})=(0, 0.99)\) in yellow line, \(({\mathcal {R}}_{1},{\mathcal {R}}_{2})=(1.29, 1.29)\) in red line.