finitefunction
nounUK /ˈfaɪnaɪt ˈfʌŋkʃən/
US /ˈfaɪnaɪt ˈfʌŋkʃən/
A finite function is a math rule that has only a limited, countable number of input values it can use.
The teacher gave us a finite function with just five inputs to test.
OTHER MEANINGS
2. A function whose set of possible inputs is a finite set.
A function defined only on the numbers 1, 2, and 3 is a finite function.
3. A function that takes only finitely many distinct values.
The step function that outputs 0 or 1 is a finite function.
4. In computing, a function that always finishes after a limited number of steps.
Our program uses a finite function that never loops forever.