Jarad, Fahd; Abdeljawad, Thabet; Alzabut, Jehad
(Springer Heidelberg, 2017-12)
Recently, Anderson and Ulness [Adv. Dyn. Syst. Appl. 10, 109 (2015)] utilized the concept of the proportional derivative controller to modify the conformable derivatives. In parallel to Anderson's work, Caputo and Fabrizio ...