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.