Reference: centerOfMass

centerOfMass(S) returns the center of mass as a real vector in the set S of real vectors.

Example: centerOfMass({❨1, 3, 2❩, ❨2, 1, 3❩, ❨5, 2, 1❩, ❨-1, 2, 3❩, ❨2, 1, 3❩}) = ❨1.75, 2, 2.25❩