Fig. 2.

Nullclines and time‐domain simulations for genetic toggle switch with the parameter pair

$({\alpha }_1,{\alpha }_2)=(3,3)$

(a) Two different trajectories starting from different domains of attraction (at $(u_0^1,v_0^1)=(1.5,0.5)$ and $(u_0^2,v_0^2)=(1.5,2)$) and ending at two distinct stable equilibrium points $(u_1^{\ast },v_1^{\ast })=(0.382,2.618)$ and $(u_2^{\ast },v_2^{\ast })=(2.618,0.382)$, (b), (c) Time‐domain simulations of u and v for three‐equilibrium point case