PHP Manual
Statistic 関数
Returns the inner product of two vectors

stats_stat_innerproduct

(PECL stats >= 1.0.0)

stats_stat_innerproduct — Returns the inner product of two vectors

説明

function stats_stat_innerproduct(array $arr1, array $arr2): float

Returns the inner product of arr1 and arr2.

パラメータ

arr1: The first array
arr2: The second array

戻り値

Returns the inner product of arr1 and arr2, or false on failure.

関連キーワード:

stats inner product stat vectors innerproduct independent paired Statistic float first second failure

関連する関数・ページ:

function.stats-stat-independent-t function.array-product function.stats-stat-paired-t function.stats-stat-factorial function.stats-stat-percentile function.stats-stat-powersum