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A.I. Evaluation of the Solution
The candidate's solution is correct. They have provided the adjacency matrix and have correctly found the number of 3 step walks and the generating function for walks from points 1-3.
Evaluated at: 2022-10-12 03:01:59
Community solutions:
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The candidate's solution is complete and solves the problem. The candidate's approach is to first find the adjacency matrix A, then the matrix giving the number of 3 step walks, then the generating function for walks from point i → j, and finally the generating function for walks from points 1 → 3.