stats_stat_innerproduct
(PECL stats >= 1.0.0)
stats_stat_innerproduct — Returns the inner product of two vectors
Description
stats_stat_innerproduct(array
$arr1, array $arr2): float
Returns the inner product of arr1 and arr2.
Parameters
-
arr1 -
The first array
-
arr2 -
The second array
Return Values
Returns the inner product of arr1 and arr2,
or false on failure.
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