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I'm a silent viewer of this forum, and I came across a question I don't seem to manage...:

A train is traveling along the Z axis (infinite on both sides). You have no information as of the train's direction or speed. At each time unit the train lends on a number. At each time unit you can look at a number and find whether the train lands on it.

What can be the algorithm to find the train's location and velocity?

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# Algorithm to find the train's location and velocity?

**Physics Forums | Science Articles, Homework Help, Discussion**