The codomain is the declared set in which a function’s outputs are expected to lie.
What Is Codomain?
The codomain is the declared set in which a function’s outputs are expected to lie.
Examples of Codomain
1
If f: ℤ → ℤ, the integers are the codomain.Formula and Key Points
Formula / rule
f: A → B
- Know the definition and standard notation for Codomain.
- Be able to recognise or compute codomain in a small example.
- Connect the concept to nearby topics in the same subject before using it in larger CSE problems.
Why This Matters in Computer Science
Used to model input-output behaviour in programs, APIs, algorithms, transformations and machine-learning pipelines.
Related Math Terms
Codomain: Frequently Asked Questions
What is Codomain?
The codomain is the declared set in which a function’s outputs are expected to lie.
Why is Codomain useful in computer science?
Used to model input-output behaviour in programs, APIs, algorithms, transformations and machine-learning pipelines.