Algorithm 2: The mutation mechanism
1:	Calculate the mutation rate according to Equation (7).
2:	For each voter or follower
3:	If random value <= mutation rate
4:	If random value <= fixed rate
5:	Update the voter or follower with random mutation according to Equation (8).
6:	Else
7:	Update the voter or follower with Cauchy mutation according to Equation (9).
8:	End
9:	End
10:	End