Maxima Function
harmonic_mean (list)
harmonic_mean(matrix)
The harmonic mean, defined as
n -------- n ==== \ 1 > -- / x ==== i i = 1
(%i1) load (descriptive)$ (%i2) load (numericalio)$ (%i3) y : [5, 7, 2, 5, 9, 5, 6, 4, 9, 2, 4, 2, 5]$ (%i4) harmonic_mean (y), numer; (%o4) 3.901858027632205 (%i5) s2 : read_matrix (file_search ("wind.data"))$ (%i6) harmonic_mean (s2); (%o6) [6.948015590052786, 7.391967752360356, 9.055658197151745, 13.44199028193692, 13.01439145898509]