Research Article

Design of Digital IIR Filter with Conflicting Objectives Using Hybrid Gravitational Search Algorithm

Table 3

Unimodal test functions.

NameFunctionsDimensionSearch range

Sphere30
SumSquare30
SumPower30
Step30
Elliptic30
Exponential30
Quartic30
Schwelfel_2.2230
Schwelfel_1.230
Schwelfel_2.2130