Synthesis of Thinned Planar Concentric Circular Antenna Arrays Using a Modified Artificial Bee Colony Algorithm

Table 1

Numerical function.

Numerical function	Expression	Range	Minimum value
Sphere			0
Elliptic			0
SumSquare			0
Exponential			0
Rosenbrock			0
Rastrigin			0
Himmelblau			−78.33236