Open ArslanArdavic opened 1 year ago
{\displaystyle H={\frac {n}{{\frac {1}{x{1}}}+{\frac {1}{x{2}}}+\cdots +{\frac {1}{x{n}}}}}={\frac {n}{\sum \limits {i=1}^{n}{\frac {1}{x{i}}}}}=\left({\frac {\sum \limits {i=1}^{n}x_{i}^{-1}}{n}}\right)^{-1}.}
https://www.investopedia.com/terms/h/harmonicaverage.asp#:~:text=Investopedia%20%2F%20Joules%20Garcia-,What%20Is%20Harmonic%20Mean%3F,arithmetic%20mean%20of%20the%20reciprocals.
{\displaystyle H={\frac {n}{{\frac {1}{x{1}}}+{\frac {1}{x{2}}}+\cdots +{\frac {1}{x{n}}}}}={\frac {n}{\sum \limits {i=1}^{n}{\frac {1}{x{i}}}}}=\left({\frac {\sum \limits {i=1}^{n}x_{i}^{-1}}{n}}\right)^{-1}.}