point-wise function

noun

UK /pɔɪnt waɪz ˈfʌŋkʃən/

US /pɔɪnt waɪz ˈfʌŋkʃən/

A point-wise function is a rule that gives each point its own answer.

The teacher explained that a point-wise function works on every point separately.

SYNONYMS

pointwise operation element-wise function coordinate-wise function component-wise function

RELATED WORDS

function mapping domain coordinate value

OTHER MEANINGS

2. A function defined by applying an operation to each value of another function at the same input.

Adding two functions point-wise means adding their values at every x.

3. A rule in math that treats each point of a set independently.

The point-wise limit was taken at each point of the interval.

4. In computing, an operation applied to each element of a collection one by one.

The program used a point-wise function to update every pixel.