HM has various meanings in the Mathematical category. Discover the full forms, definitions, and usage contexts of HM in Mathematical.
The harmonic mean is one of the three Pythagorean means. For all positive data sets containing at least one pair of nonequal values, the harmonic mean is always the least of the three means, while the arithmetic mean is always the greatest of the three and the geometric mean is always in between.
MathematicalLast updated: