Applied Mathematical Department;
National University of Rwanda;
Butare;
Rwanda;
Department of Mathematics and Computer Science;
Cheikh Anta Diop University of Dakar;
Dakar;
Senegal;
Graphical; User; Interface; Arterial; Oxygen; Pressure; Arterial; Dioxide; Pressure; Cardiovascular/Respiratory; System; Optimal; Control; Problem; Numerical; Simulation; Physical; Activity;