Link Analysis PageRank Solving the flow equations 3 equations 3 unknowns, no constants No unique solution All solutions equivalent modulo scale factor Additional constraint forces uniqueness yta+m 1 ny=2/5,a=2/5,m=1/5 Gaussian elimination method works for small examples but we need a better method for large graphsLink Analysis 7 Solving the flow equations ▪ 3 equations, 3 unknowns, no constants ▪ No unique solution ▪ All solutions equivalent modulo scale factor ▪ Additional constraint forces uniqueness ▪ y+a+m = 1 ▪ y = 2/5, a = 2/5, m = 1/5 ▪ Gaussian elimination method works for small examples, but we need a better method for large graphs PageRank