“FIRST-ORDER PARTIAL DIFFERENTIAL EQUATIONS AND THE METHOD FOR SOLVING THE CAUCHY PROBLEM ASSOCIATED WITH THEM”
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https://doi.org/10.55640/Keywords:
The problem of finding the general solution of a first-order quasilinear partial differential equation is reduced to solving a homogeneous differential equation, and the general solution can be obtained by the method of characteristics. The solution of the Cauchy problem is then found by checking the additional condition of the Cauchy problem along the characteristics and introducing a new variable if necessaryAbstract
In this topic, we study first-order partial differential equations, including their quasilinear and linear forms, as well as homogeneous and non-homogeneous types. We also discuss methods for constructing both particular and general solutions of these equations using their characteristic equations and families of characteristic curves, known as first integrals. Furthermore, we examine how to determine the solution of the Cauchy problem posed for such equations based on the obtained general solution.
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References
1.Salokhiddinov, M.S. Equations of Mathematical Physics, Tashkent: “Uzbekistan”, 2002.
2.Mixlin, S.G. Course of Mathematical Physics, Moscow, 1968.
3.Sobolev, S.L. Equations of Mathematical Physics, Nauka, Moscow, 1966.
4.Bitsadze, A.V. Equations of Mathematical Physics, Moscow, 1976.
5.Bitsadze, A.V., Kalinichenko, D.F. Collection of Problems on Equations of Mathematical Physics, Moscow, 1977.
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