I want to construct a set of matrices with entry either +1, -1 or 0. How to do this either matrix way or using digraph way, that is, if I consider set of digraphs over n vertices, then how do I make the edges have weights either +1, -1 or 0?
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I want to construct a set of matrices with entry either +1, -1 or 0. How to do this either matrix way or using digraph way, that is, if I consider set of digraphs over n vertices, then how do I make the edges have weights either +1, -1 or 0?
 
                
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