Table 2.

A summary of the notations.

Notation	Description
$X_i$	The position X of the ith particle in the swarm
$g_n$	The nth group
$b_m$	The mth block
$k_{\left(X_i{g}_n{b}_m\right)}$	Kernel size for the mth block of the nth group of the ith particle in position X