Problem 321. polar inertia
given locations of a set of unit masses on complex plane, find polar moment of inerta about the origin. for example output 4 if input [0 1 1+1i 0-1i]
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@bmtran (Bryant Tran)
on 15 Feb 2012
you should ease up numerically on equality, so my solution works :)
Rafael S.T. Vieira
on 16 Oct 2020
The polar inertia is the sum of the squared distances of all points from the origin. https://en.wikipedia.org/wiki/Polar_moment_of_inertia
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