DuckDB function array_inner_product

Computes the inner product between two arrays of the same size. The array elements can not be NULL. The arrays can have any size as long as the size is the same for both arguments.

Usage

array_inner_product(array1, array2)

Arguments

array1, array2

FLOAT[ANY] | DOUBLE[ANY]

Value

FLOAT | DOUBLE

SQL examples

array_inner_product(array_value(1.0::FLOAT, 2.0::FLOAT, 3.0::FLOAT), array_value(2.0::FLOAT, 3.0::FLOAT, 4.0::FLOAT))

See also

Other array: array_cosine_distance(), array_cosine_similarity(), array_cross_product(), array_distance(), array_negative_inner_product(), array_value()