Grey Wolf Research Paper

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\subsection{Gray Wolf Optimization}
Gray wolf optimization is presented in the following subsections based on the work in \cite{GWO_US}.
Grey wolves have a very strict social dominant hierarchy in the pack. $alpha$ wolves are the pack leaders (one male and one female). $alpha$ is mostly responsible for making decisions about hunting, sleeping place, time to wake, and so on. $beta$ wolves are subordinate wolves, which help $alpha$ in decision-making or other pack activities. $beta$ wolves can be either male or female, and considered as best candidate to be the next $alpha$. $omega$ wolves play the role of scapegoat and always have to submit to all the other dominant wolves. $Delta$ wolves have to submit to $alpha$ and $beta$, but they dominate …show more content…
$\overrightarrow{a}$ is linearly updated in each iteration to range from 2 to 0 according to the equation \ref{Eq.GWO8}:

\begin{equation}\label{Eq.GWO8}
\overrightarrow{a}=2-t.\frac{2}{Max_iter}
\end{equation} where $t$ is the iteration number and $Max_iter$ is the total number of iteration allowed for the
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