Figure 3: Software Maintainability Model
with 5 inputs, 1 output, and 243 rules
All inputs can be classified into fuzzy sets viz. Low, Medium
and High. The output software Maintainability is classified as
Very Easy, Easy, Medium, High and Very High. In order to
fuzzify the inputs, different Membership Functions are used.
All 243 rules are inserted and a rule base is created, which
represents all possible combinations of inputs i.e. 35 (243) sets.
Some of the proposed rules are shown as in table 1.