discrete-valued function
nounUK /dɪˈskriːt ˈvæljuːd ˈfʌŋkʃən/
US /dɪˈskriːt ˈvæljuːd ˈfʌŋkʃən/
A function that only gives out separate, countable answers, like steps instead of a smooth slide.
The number of students in a class is a discrete-valued function of the class name.
OTHER MEANINGS
2. A function whose outputs are whole numbers or a finite set of values.
The roll of a die is a discrete-valued function with six possible outcomes.
3. A function that changes in jumps rather than smoothly.
The price of stamps over the years is a discrete-valued function that jumps when rates change.
4. A function mapping to a countable set such as the integers.
The floor function is a discrete-valued function because it always returns a whole number.