Одну секунду
Что-то сучилось. Попробуйте еще раз.
#3.30 x'=-y/t, y'=-x/t, [System of Normal Differential Equations], Система нормальных дифференциальных уравнений #Demidovich, #Демидович #Дифференциальные уравнения
![#3.30 x'=-y/t, y'=-x/t, [System of Differential Equations]](https://img.youtube.com/vi/JIiUTASAKZI/0.jpg?3489220329 "#3.30 x'=-y/t, y'=-x/t, [System of Differential Equations]")
![#3.30 x'=-y/t, y'=-x/t, [System of Differential Equations]](https://img.youtube.com/vi/JIiUTASAKZI/1.jpg?3489220329 "#3.30 x'=-y/t, y'=-x/t, [System of Differential Equations]")
![#3.30 x'=-y/t, y'=-x/t, [System of Differential Equations]](https://img.youtube.com/vi/JIiUTASAKZI/2.jpg?3489220329 "#3.30 x'=-y/t, y'=-x/t, [System of Differential Equations]")
![#3.30 x'=-y/t, y'=-x/t, [System of Differential Equations]](https://img.youtube.com/vi/JIiUTASAKZI/3.jpg?3489220329 "#3.30 x'=-y/t, y'=-x/t, [System of Differential Equations]")
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![#3.31 x'=-2x/t, y'=y+(t+2)x/t, [System of Differential Equations],](https://i.ytimg.com/vi/QyikBCeLa6c/mqdefault.jpg "#3.31 x'=-2x/t, y'=y+(t+2)x/t, [System of Differential Equations],")
