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On the principle of stationary shortened Jacobi action and its consequence
2024-11-12

The article considers possible variations of the action in the Hamilton-Ostrogradsky form and in the Jacobi form. It is shown that in the shortened action, coordinates and time must vary together, and the time variation depends in a certain way on the coordinate variation. A refined principle of extremal shortened action is obtained, which is used to derive equations that determine the trajectory of a non-conservative natural system in the configuration space in external variable fields. These second-order equations describe the change in the tangent vector depending on the initial conditions, external fields, and the properties of the system itself. The solution to these equations can be found by numerical methods, for example, the Runge-Kutta method of the 4th order.

Ссылка для цитирования:

Voytik V. V. 2024. On the principle of stationary shortened Jacobi action and its consequence. PREPRINTS.RU. https://doi.org/10.24108/preprints-3113181

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