In computational geometry, Hopcroft's problem is the problem of testing, for a given system of points and lines in the Euclidean plane, whether at least one of the points lies on at least one of the lines. More generally, one may ask for the number of point–line incidences.
In computational geometry, Hopcroft's problem is the problem of testing, for a given system of points and lines in the Euclidean plane, whether at least one of the points lies on at least one of the lines. More generally, one may ask for the number of point–line incidences.
Source: Wikipedia "Hopcroft's problem" · CC BY-SA 4.0
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