Table 2. Algorithm 1 Gillespie Stochastic Simulation Algorithm [38], [39].

1: Input: initial time t 0, state x 0 and final time T;

2: set x←x 0 and t←t 0;

3: while t<T do

4: define

5: let , r 2∼U [0,1];

6: determine next jump as ;

7: determine next reaction as

8: set x←x+νj and t←t+τ;

9: end while