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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