Senol, MDolapçi, ITAksoy, YPakdemirli, M2025-04-102025-04-101085-3375http://hdl.handle.net/20.500.14701/37768The previously developed new perturbation-iteration algorithm has been applied to differential equation systems for the first time. The iteration algorithm for systems is developed first. The algorithm is tested for a single equation, coupled two equations, and coupled three equations. Solutions are compared with those of variational iteration method and numerical solutions, and a good agreement is found. The method can be applied to differential equation systems with success.EnglishArticle1687-0409