• Friendships and Cliques in a Group

    The diagram below shows the relationships within a group of people. An arrow from one person to another indicates that the first person is friendly to the second, and a line with arrows at both ends indicates that the two people are friends. The table...

    https://astarmathsandphysics.com/university-maths-notes/matrices-and-linear-algebra/5104-friendships-and-cliques-in-a-group.html

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