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Graph and describe adjacency matrix

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Assume that a graph uses and adjacency matrix to represent the edges. Describe how you would update the matrix for the following algorithms.

(a). Insert an edge
(b). Insert a new vertex
(c). Delete and edge
(d). Delete a vertex.

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The expert graphs and describes adjacency matrix.

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(a) If you insert an edge, you should update the corresponding entry of the matrix to the value of the edge.
(b) If you insert a new vertex, you should resize the ...

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