stats_harmonic_mean
(PECL stats >= 1.0.0)
stats_harmonic_mean — Returns the harmonic mean of an array of values
Beschreibung
$a
): number
Returns the harmonic mean of the values in a
.
Parameter-Liste
-
a
-
The input array
Rückgabewerte
Returns the harmonic mean of the values in a
,
or false
if a
is empty or is not an array.