Browsing by Author "Sami H i gazi Mustafa"

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    Applications Of Symmetry Methods to Differential equation
    (Al Neelain University, 2004) Sami H i gazi Mustafa
    In this research we utilize the symmetry condition of differential equations to solve some of these equations . Also we show how Lie algebra methods are much advanced for understanding and unifying all classical methods of solving differential equations . At the end of our research we discuss the variational methods and Euler — Lagrange equations on the light of symmetry