Title of article :
λ-Symmetry Method and the Prelle-Singer Method for Third-Order Differential Equationsλ-Symmetry Method and the Prelle-Singer Method for Third-Order Differential Equations
Author/Authors :
Goodarzi, Khodayar Department of Mathematics - Broujerd Branch, Islamic Azad University, Broujerd
Abstract :
In this paper, we will obtain first integral, integrating factor, λ-symmetry of third-order ODEs ... u = F(x, u, u,˙ u¨). Also comparing Prelle-Singer (PS) method and λ-symmetry for third-order differential equations.
Keywords :
Symmetry , λ-Symmetry , Integrating factor , First integral , Order reduction
Journal title :
نظريه تقريب و كاربردهاي آن