The harmonic mean is the special case of the power mean and is one of the Pythagorean means. In older literature, it is sometimes called the subcontrary mean. The volume-to-surface area ratio for a cylindrical container with height and radius and the mean curvature of a general surface are related to the harmonic mean.
The name SMITH is probably the most common of all surnames. The only names that give it any competition for this title would be Jones and Johnson. The most widely accepted derivation of the name is from the Anglo-Saxon SMITAN and the Germanic verb âSmioanâ meaning to smite or strike.
Derived from the Anglo-Saxon smitan, meaning to smite or strike, SMITH and its derivations are an occupational name for a man who works with metal (smith or blacksmith), one of the earliest jobs for which specialist skills were required.mith Name Meaning & Family History. An overview of the Smith surname meaning, plus subscription-based access to genealogical records on Smith families around the world from Ancestry.com.