Wolfram Demonstrations Project

Form the

sums (black dots) of all possible subsets of

vectors (red dots). If all

vectors have norm at least 1, then at most

of the vectors lie in the green circle of diameter 1. (The function

is the floor of

D. Stanton and D. White, Constructive Combinatorics, New York: Springer–Verlag, 1986.

Contributed by: George Beck

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