product_by_key

arrayfire

Function product_by_key 

Source 
pub fn product_by_key<KeyType, ValueType>(
    keys: &Array<KeyType>,
    vals: &Array<ValueType>,
    dim: i32,
) -> (Array<KeyType>, Array<ValueType::ProductOutType>)
where
    KeyType: ReduceByKeyInput,
    ValueType: HasAfEnum,
    ValueType::ProductOutType: HasAfEnum,
Expand description

Find product of all values with similar keys along a given dimension

§Parameters

  • keys - key Array
  • vals - value Array
  • dim - Dimension along which the input Array is reduced

§Return Values

Tuple of Arrays, with output keys and values after reduction