PHP Manual
Statistic Functions
Returns the harmonic mean of an array of values

stats_harmonic_mean

(PECL stats >= 1.0.0)

stats_harmonic_mean — Returns the harmonic mean of an array of values

Description

stats_harmonic_mean(array $a): number

Returns the harmonic mean of the values in a.

Parameters

a: The input array

Return Values

Returns the harmonic mean of the values in a, or false if a is empty or is not an array.

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