pointwise operation
nounUK /ˈpɔɪntwaɪz ˌɒpəˈreɪʃən/
US /ˈpɔɪntwaɪz ˌɑːpəˈreɪʃən/
A math rule that works on each number in a list one by one.
Adding two lists with a pointwise operation means adding the first numbers, then the second numbers, and so on.
OTHER MEANINGS
2. In programming, a function applied to every item of a collection separately.
The pointwise operation doubled every value in the array.
3. In geometry, an action performed at each point of a shape or space.
The transformation was a pointwise operation on the grid.
4. A binary operation on functions defined by combining their values at each input.
The pointwise operation on f and g produced a new function h.