DOT_PRODUCT
All functions > ARRAY > DOT_PRODUCT
Calculates the dot product of two arrays.
Syntax
DOT_PRODUCT(array1, array2)sql
Arguments
| Parameter | Type | Required | Description |
|---|---|---|---|
array1 | ARRAYDOUBLE | Yes | First vector (array of doubles) |
array2 | ARRAYDOUBLE | Yes | Second vector (array of doubles) |
Returns
DOUBLE - Dot product of the two vectors
Notes
- Computes sum of element-wise products
- Formula: sum(x[i] * y[i])
- Arrays must be same length
- Used in linear algebra and vector operations