Swarm Intelligence Algorithms

224 Hunting Search Algorithm

where x

0

i

is the position value of the leader for the i

th

variable, rand is a

uniform random number between [0,1]. x

max

i

and x

min

i

are the maximum and

minimum possible values of variable x

i

, respectively. EN counts the number

of times that the group has been trapped until this step. As the algorithm

goes on, the solution gradually converges to the optimum point. Parameters

α and β are positive real values.

Step 6. Repeat Steps 3–5 until the termination criterion is satisfied.

In this step, the computations are terminated when the termination criterion

is satisfied. If not, Step 3 and Step 5 are then repeated. The termination

criterion ...