per-elementfunction

noun

UK /pɜːr ˈɛlɪmənt ˈfʌŋkʃən/

US /pɜːr ˈɛlɪmənt ˈfʌŋkʃən/

A per-element function is a rule that works on each item in a list, one at a time.

The program uses a per-element function to double every number in the list.

SYNONYMS

element-wise function item-by-item function per-item function individual-element function

RELATED WORDS

mapping iteration callback array method lambda

OTHER MEANINGS

2. In programming, a function applied separately to each member of a collection rather than to the collection as a whole.

Map applies a per-element function to each entry in the array.

3. In mathematics, a rule defined independently for each element of a set.

The per-element function assigns each element its square.

4. A processing step that treats every unit of data individually.

The filter uses a per-element function to keep only positive values.