1. Laboratory of Sciences and Techniques of Automatic Control and Computer Engineering, National School of Engineering of Sfax, University of Sfax, P.O. Box 1173, Sfax 3038, Tunisia
2. GREAH Laboratory, University of Le Havre Normandy, 75 Rue Bellot, 76600 Le Havre, France
3. Department of Mathematics, Faculty of Sciences, University of Sfax, P.O. Box 1171, Sfax 3038, Tunisia
4. ENSIIE, University of Evry-Val-d’Essonne, 1 Square de la Résistance, 91025 Évry-Courcouronnes cedex, France
5. Department of Statistics and Operations Research, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia