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5.3.1 Precedence Identification

• To determine a precedence we add a precedence count for each node. The basic check is,

1. Set all the precedence values to 1 (lowest precedence)

2. Cycle through and check each branch. For each branch ensure that the child vertex has a precedence that is one greater than the parent vertex.

• Consider the previous example.

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5.3.2 Tree Searching

• Assume that each branch has a cost associated. We can then find the cost of each of the nodes.

• Identifying the vertex costs.

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