ocr: FiS ditor Surface YAwer Fuzzy Interence System Membership, fury nerence Function Eetor Viewer Rule daor THE FUZZY INFERENCE SYSTEM (FIS) - is a standardized object at the center of the Fuzzy Logic looibox. The FIS object contains all the parameters associated with a fuzzy system in one MATLAB variable. The loolPox uses only a few access runctions to interact with the FIS object. The editors are designed for the five sssential tasks in fuzzy logic design, from setup to diagnostics.