Department of Applied Mathematics;
School of Pure and Applied Sciences;
College of Science and Technology;
University of Rwanda;
Kigali;
Rwanda;
N’Djamena University;
N’Djamena;
Chad;
Cheikh Anta Diop University;
Dakar;
Senegal;
Fuzzy; Logic; Optimal; Control; Membership; Function; Membership; Degree; Hypoxemic-Hypoxia; Pressure; Carbon; Dioxide; Oxygen; Numerical; Simulation;