Abstract
Self-adaptation is an essential feature of natural evolution. However,
in the context of function optimization, self-adaptation features
of evolutionary search algorithms have been explored only with evolution
strategy (ES) and evolutionary programming (EP). In this paper, we
demonstrate the selfadaptive feature of real-parameter genetic algorithms
(GAs) using simulated binary crossover (SBX) operator and without
any mutation operator. The connection between the working of self-adaptive
ESs and real-parameter GAs with SBX operator is also discussed. Thereafter,
the self-adaptive behavior of real-parameter GAs is demonstrated
on a number of test problems commonly-used in the ES literature.
The remarkable similarity in the working principle of real-parameter
GAs and self-adaptive ESs shown in this study suggests the need of
emphasizing further studies on self-adaptive GAs
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