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Software Testing - Graph Matrix

A graph matrix is a square matrix whose size is equivalent to the number of nodes in the flow graph. Each row and column correspond to a particular node and the matrix corresponds to the connections (edges) between nodes. By adding a link weight to each matrix entry, more information about the control flow can be captured. In its simplest form, the link weight is 1 if an edge exists and 0 if it does not. But other types of link weights can be represented:1. the probability that an edge will be executed,2. the processing time expended during link traversal,3. the memory required during link traversal, or 4. the resources required during link traversal.Graph theory algorithms can be applied to these graph matrices to help in the analysis necessary to produce the basis set.

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