Phase Response Design of Recursive All-Pass Digital Filters Using a Modified PSO Algorithm

Table 1

Objective function values evaluated for Example 1.

	PSO algorithm	MPSO algorithm
Run 1
Run 2
Run 3
Run 4
Run 5
Run 6
Run 7
Run 8
Run 9
Run 10
Run 11
Run 12
Run 13
Run 14
Run 15
Run 16
Run 17
Run 18
Run 19
Run 20
Mean
Variance