例句與造句

1. The PageRank of a node A is the stationary limit probability distribution that the random walker is at node A . In its original application, the personalization vector w captured the personal interest of a web-surfer : interesting websites to a surfer appeared with a higher probability in the distribution given in vector w.
2. Consider a weighted network  either directed or undirected  with n nodes denoted by j = 1, &, n; and a random walk process on this network with a transition matrix M . The m _ { jk } element of M describes the probability of the random walker that has reached node i, proceeds directly to node j.
3. The expected position of the random walker ( i . e . ( expected " x ", expected " y " ) ) remains at the starting point no matter how long the walk has been going on, but the expected distance from the starting point increases with time ( I think it goes as the square root of the number of steps ).
4. It's difficult to find random walker in a sentence. 用random walker造句挺難的
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