PHP Manual
Statistic 関数
Returns the power sum of a vector

stats_stat_powersum

(PECL stats >= 1.0.0)

stats_stat_powersum — Returns the power sum of a vector

説明

function stats_stat_powersum(array $arr, float $power): float

Returns the sum of the power-th power of a vector represented as an array arr.

パラメータ

arr: The input array
power: The power

戻り値

Returns the power sum of the input array.

関連キーワード:

power stats vector stat powersum float input percentile variance Statistic represented

関連する関数・ページ:

function.stats-stat-percentile function.stats-variance function.list function.gmp-perfect-power function.stats-stat-innerproduct function.stats-stat-independent-t