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How to redefine separation procedure to get 0-1 knapsack with odd number of items
So I have a 0-1 knapsack problem:
\begin{align}\max&\quad \sum_j c_j x_j\\
\text{s.t.}&\quad \sum_j a_j x_j \leq b\\
&\quad x_j \in \{0,1\}\end{align}
but it has an additional requirement that the num …