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10 cards from this deck
Graph where edges represent connections; may have weights (distances, costs, capacities)
Represent vertices
aij=1a_{ij} = 1aij=1
aij=0a_{ij} = 0aij=0
Weight of edge between iii and jjj
aij=inftya_{ij} = inftyaij=infty
aij=ajia_{ij} = a_{ji}aij=aji
No self-loop at that vertex
Non-zero entries
inftyinftyinfty
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