A NECESSARY AND SUFFICIENT CONDITION FOR THE EXISTENCE OF A MOBILE SINGULAR POINT FOR A NONLINEAR DIFFERENTIAL EQUATION OF THE THIRD ORDER
DOI:
https://doi.org/10.36773/1818-1112-2022-127-1-13-16Keywords:
wave processes, nonlinear differential equations, signs of the existence of moving pointsAbstract
A nonlinear third-order equation with a seventh-degree polynomial on the right-hand side is considered. A distinctive feature of this class of equations is the presence of movable functions, which makes these equations undecidable in quadratures. The work obtained data on the observance of movable singular points. The presented theory is a means of compiling an algorithm and writing a software complex for finding moving points.
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