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Andrew Krizhanovsky edited Calc rank and centrality.tex
almost 8 years ago
Commit id: 432c92d0c2d28a05c901418199456474320f2ab3
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diff --git a/Calc rank and centrality.tex b/Calc rank and centrality.tex
index 1bab7c2..1d5a575 100644
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\item $sim^1_i(v)=sim\{ S_1 \cup v, S_2 \}$ // слово $v$ добавляется к первому подмножеству $S_1$
\item $sim^2_i(v)=sim\{ S_1, S_2 \cup v \}$ // слово $v$ добавляется ко второму подмножеству $S_2$
\item $centrality (v, p_i) = (sim^1_i(v) - sim_i) + (sim^2_i(v) - sim_i)$
\item $rank (v, p_i) =
\sgn \text{sgn} (sim^1_i(v) - sim_i) + \sgn (sim^2_i(v) - sim_i)
$ and \sign(x)$
\end{enumerate}
\item Найдем сумму по всем разбиениям $centrality (v)= \sum_{i=1}^{|P_v|}centrality (v, p_i)$.
\end{enumerate}