Software Engineering – The Functional Model

In this post we talk all about Functional Modelling. This post is a semi-continuation from the previous one on Class Modelling.

Maths - Functions (Part 2)

Composition of Functions

Say we have 2 functions:

• f: R ------> S₁


• g: S₂ -----> T

Maths - Functions (part 1)

In Discrete Maths, 'Functions' have 3 features:

1. Source (S) , or more commonly known as the Domain
2. Target (T), or more commonly known as the CoDomain
3. Behaviour, which is what the function does as it transforms the source (input) into the target (output)